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1 /*eslint-disable no-unused-vars*/ 2 /*! 3 * jQuery JavaScript Library v3.1.0 4 * https://jquery.com/ 5 * 6 * Includes Sizzle.js 7 * https://sizzlejs.com/ 8 * 9 * Copyright jQuery Foundation and other contributors 10 * Released under the MIT license 11 * https://jquery.org/license 12 * 13 * Date: 2016-07-07T21:44Z 14 */ 15 ( function( global, factory ) { 16 17 "use strict"; 18 19 if ( typeof module === "object" && typeof module.exports === "object" ) { 20 21 // For CommonJS and CommonJS-like environments where a proper `window` 22 // is present, execute the factory and get jQuery. 23 // For environments that do not have a `window` with a `document` 24 // (such as Node.js), expose a factory as module.exports. 25 // This accentuates the need for the creation of a real `window`. 26 // e.g. var jQuery = require("jquery")(window); 27 // See ticket #14549 for more info. 28 module.exports = global.document ? 29 factory( global, true ) : 30 function( w ) { 31 if ( !w.document ) { 32 throw new Error( "jQuery requires a window with a document" ); 33 } 34 return factory( w ); 35 }; 36 } else { 37 factory( global ); 38 } 39 40 // Pass this if window is not defined yet 41 } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) { 42 43 // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1 44 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode 45 // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common 46 // enough that all such attempts are guarded in a try block. 47 "use strict"; 48 49 var arr = []; 50 51 var document = window.document; 52 53 var getProto = Object.getPrototypeOf; 54 55 var slice = arr.slice; 56 57 var concat = arr.concat; 58 59 var push = arr.push; 60 61 var indexOf = arr.indexOf; 62 63 var class2type = {}; 64 65 var toString = class2type.toString; 66 67 var hasOwn = class2type.hasOwnProperty; 68 69 var fnToString = hasOwn.toString; 70 71 var ObjectFunctionString = fnToString.call( Object ); 72 73 var support = {}; 74 75 76 77 function DOMEval( code, doc ) { 78 doc = doc || document; 79 80 var script = doc.createElement( "script" ); 81 82 script.text = code; 83 doc.head.appendChild( script ).parentNode.removeChild( script ); 84 } 85 /* global Symbol */ 86 // Defining this global in .eslintrc would create a danger of using the global 87 // unguarded in another place, it seems safer to define global only for this module 88 89 90 91 var 92 version = "3.1.0", 93 94 // Define a local copy of jQuery 95 jQuery = function( selector, context ) { 96 97 // The jQuery object is actually just the init constructor 'enhanced' 98 // Need init if jQuery is called (just allow error to be thrown if not included) 99 return new jQuery.fn.init( selector, context ); 100 }, 101 102 // Support: Android <=4.0 only 103 // Make sure we trim BOM and NBSP 104 rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, 105 106 // Matches dashed string for camelizing 107 rmsPrefix = /^-ms-/, 108 rdashAlpha = /-([a-z])/g, 109 110 // Used by jQuery.camelCase as callback to replace() 111 fcamelCase = function( all, letter ) { 112 return letter.toUpperCase(); 113 }; 114 115 jQuery.fn = jQuery.prototype = { 116 117 // The current version of jQuery being used 118 jquery: version, 119 120 constructor: jQuery, 121 122 // The default length of a jQuery object is 0 123 length: 0, 124 125 toArray: function() { 126 return slice.call( this ); 127 }, 128 129 // Get the Nth element in the matched element set OR 130 // Get the whole matched element set as a clean array 131 get: function( num ) { 132 return num != null ? 133 134 // Return just the one element from the set 135 ( num < 0 ? this[ num + this.length ] : this[ num ] ) : 136 137 // Return all the elements in a clean array 138 slice.call( this ); 139 }, 140 141 // Take an array of elements and push it onto the stack 142 // (returning the new matched element set) 143 pushStack: function( elems ) { 144 145 // Build a new jQuery matched element set 146 var ret = jQuery.merge( this.constructor(), elems ); 147 148 // Add the old object onto the stack (as a reference) 149 ret.prevObject = this; 150 151 // Return the newly-formed element set 152 return ret; 153 }, 154 155 // Execute a callback for every element in the matched set. 156 each: function( callback ) { 157 return jQuery.each( this, callback ); 158 }, 159 160 map: function( callback ) { 161 return this.pushStack( jQuery.map( this, function( elem, i ) { 162 return callback.call( elem, i, elem ); 163 } ) ); 164 }, 165 166 slice: function() { 167 return this.pushStack( slice.apply( this, arguments ) ); 168 }, 169 170 first: function() { 171 return this.eq( 0 ); 172 }, 173 174 last: function() { 175 return this.eq( -1 ); 176 }, 177 178 eq: function( i ) { 179 var len = this.length, 180 j = +i + ( i < 0 ? len : 0 ); 181 return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] ); 182 }, 183 184 end: function() { 185 return this.prevObject || this.constructor(); 186 }, 187 188 // For internal use only. 189 // Behaves like an Array's method, not like a jQuery method. 190 push: push, 191 sort: arr.sort, 192 splice: arr.splice 193 }; 194 195 jQuery.extend = jQuery.fn.extend = function() { 196 var options, name, src, copy, copyIsArray, clone, 197 target = arguments[ 0 ] || {}, 198 i = 1, 199 length = arguments.length, 200 deep = false; 201 202 // Handle a deep copy situation 203 if ( typeof target === "boolean" ) { 204 deep = target; 205 206 // Skip the boolean and the target 207 target = arguments[ i ] || {}; 208 i++; 209 } 210 211 // Handle case when target is a string or something (possible in deep copy) 212 if ( typeof target !== "object" && !jQuery.isFunction( target ) ) { 213 target = {}; 214 } 215 216 // Extend jQuery itself if only one argument is passed 217 if ( i === length ) { 218 target = this; 219 i--; 220 } 221 222 for ( ; i < length; i++ ) { 223 224 // Only deal with non-null/undefined values 225 if ( ( options = arguments[ i ] ) != null ) { 226 227 // Extend the base object 228 for ( name in options ) { 229 src = target[ name ]; 230 copy = options[ name ]; 231 232 // Prevent never-ending loop 233 if ( target === copy ) { 234 continue; 235 } 236 237 // Recurse if we're merging plain objects or arrays 238 if ( deep && copy && ( jQuery.isPlainObject( copy ) || 239 ( copyIsArray = jQuery.isArray( copy ) ) ) ) { 240 241 if ( copyIsArray ) { 242 copyIsArray = false; 243 clone = src && jQuery.isArray( src ) ? src : []; 244 245 } else { 246 clone = src && jQuery.isPlainObject( src ) ? src : {}; 247 } 248 249 // Never move original objects, clone them 250 target[ name ] = jQuery.extend( deep, clone, copy ); 251 252 // Don't bring in undefined values 253 } else if ( copy !== undefined ) { 254 target[ name ] = copy; 255 } 256 } 257 } 258 } 259 260 // Return the modified object 261 return target; 262 }; 263 264 jQuery.extend( { 265 266 // Unique for each copy of jQuery on the page 267 expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), 268 269 // Assume jQuery is ready without the ready module 270 isReady: true, 271 272 error: function( msg ) { 273 throw new Error( msg ); 274 }, 275 276 noop: function() {}, 277 278 isFunction: function( obj ) { 279 return jQuery.type( obj ) === "function"; 280 }, 281 282 isArray: Array.isArray, 283 284 isWindow: function( obj ) { 285 return obj != null && obj === obj.window; 286 }, 287 288 isNumeric: function( obj ) { 289 290 // As of jQuery 3.0, isNumeric is limited to 291 // strings and numbers (primitives or objects) 292 // that can be coerced to finite numbers (gh-2662) 293 var type = jQuery.type( obj ); 294 return ( type === "number" || type === "string" ) && 295 296 // parseFloat NaNs numeric-cast false positives ("") 297 // ...but misinterprets leading-number strings, particularly hex literals ("0x...") 298 // subtraction forces infinities to NaN 299 !isNaN( obj - parseFloat( obj ) ); 300 }, 301 302 isPlainObject: function( obj ) { 303 var proto, Ctor; 304 305 // Detect obvious negatives 306 // Use toString instead of jQuery.type to catch host objects 307 if ( !obj || toString.call( obj ) !== "[object Object]" ) { 308 return false; 309 } 310 311 proto = getProto( obj ); 312 313 // Objects with no prototype (e.g., `Object.create( null )`) are plain 314 if ( !proto ) { 315 return true; 316 } 317 318 // Objects with prototype are plain iff they were constructed by a global Object function 319 Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor; 320 return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString; 321 }, 322 323 isEmptyObject: function( obj ) { 324 325 /* eslint-disable no-unused-vars */ 326 // See https://github.com/eslint/eslint/issues/6125 327 var name; 328 329 for ( name in obj ) { 330 return false; 331 } 332 return true; 333 }, 334 335 type: function( obj ) { 336 if ( obj == null ) { 337 return obj + ""; 338 } 339 340 // Support: Android <=2.3 only (functionish RegExp) 341 return typeof obj === "object" || typeof obj === "function" ? 342 class2type[ toString.call( obj ) ] || "object" : 343 typeof obj; 344 }, 345 346 // Evaluates a script in a global context 347 globalEval: function( code ) { 348 DOMEval( code ); 349 }, 350 351 // Convert dashed to camelCase; used by the css and data modules 352 // Support: IE <=9 - 11, Edge 12 - 13 353 // Microsoft forgot to hump their vendor prefix (#9572) 354 camelCase: function( string ) { 355 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); 356 }, 357 358 nodeName: function( elem, name ) { 359 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); 360 }, 361 362 each: function( obj, callback ) { 363 var length, i = 0; 364 365 if ( isArrayLike( obj ) ) { 366 length = obj.length; 367 for ( ; i < length; i++ ) { 368 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { 369 break; 370 } 371 } 372 } else { 373 for ( i in obj ) { 374 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { 375 break; 376 } 377 } 378 } 379 380 return obj; 381 }, 382 383 // Support: Android <=4.0 only 384 trim: function( text ) { 385 return text == null ? 386 "" : 387 ( text + "" ).replace( rtrim, "" ); 388 }, 389 390 // results is for internal usage only 391 makeArray: function( arr, results ) { 392 var ret = results || []; 393 394 if ( arr != null ) { 395 if ( isArrayLike( Object( arr ) ) ) { 396 jQuery.merge( ret, 397 typeof arr === "string" ? 398 [ arr ] : arr 399 ); 400 } else { 401 push.call( ret, arr ); 402 } 403 } 404 405 return ret; 406 }, 407 408 inArray: function( elem, arr, i ) { 409 return arr == null ? -1 : indexOf.call( arr, elem, i ); 410 }, 411 412 // Support: Android <=4.0 only, PhantomJS 1 only 413 // push.apply(_, arraylike) throws on ancient WebKit 414 merge: function( first, second ) { 415 var len = +second.length, 416 j = 0, 417 i = first.length; 418 419 for ( ; j < len; j++ ) { 420 first[ i++ ] = second[ j ]; 421 } 422 423 first.length = i; 424 425 return first; 426 }, 427 428 grep: function( elems, callback, invert ) { 429 var callbackInverse, 430 matches = [], 431 i = 0, 432 length = elems.length, 433 callbackExpect = !invert; 434 435 // Go through the array, only saving the items 436 // that pass the validator function 437 for ( ; i < length; i++ ) { 438 callbackInverse = !callback( elems[ i ], i ); 439 if ( callbackInverse !== callbackExpect ) { 440 matches.push( elems[ i ] ); 441 } 442 } 443 444 return matches; 445 }, 446 447 // arg is for internal usage only 448 map: function( elems, callback, arg ) { 449 var length, value, 450 i = 0, 451 ret = []; 452 453 // Go through the array, translating each of the items to their new values 454 if ( isArrayLike( elems ) ) { 455 length = elems.length; 456 for ( ; i < length; i++ ) { 457 value = callback( elems[ i ], i, arg ); 458 459 if ( value != null ) { 460 ret.push( value ); 461 } 462 } 463 464 // Go through every key on the object, 465 } else { 466 for ( i in elems ) { 467 value = callback( elems[ i ], i, arg ); 468 469 if ( value != null ) { 470 ret.push( value ); 471 } 472 } 473 } 474 475 // Flatten any nested arrays 476 return concat.apply( [], ret ); 477 }, 478 479 // A global GUID counter for objects 480 guid: 1, 481 482 // Bind a function to a context, optionally partially applying any 483 // arguments. 484 proxy: function( fn, context ) { 485 var tmp, args, proxy; 486 487 if ( typeof context === "string" ) { 488 tmp = fn[ context ]; 489 context = fn; 490 fn = tmp; 491 } 492 493 // Quick check to determine if target is callable, in the spec 494 // this throws a TypeError, but we will just return undefined. 495 if ( !jQuery.isFunction( fn ) ) { 496 return undefined; 497 } 498 499 // Simulated bind 500 args = slice.call( arguments, 2 ); 501 proxy = function() { 502 return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); 503 }; 504 505 // Set the guid of unique handler to the same of original handler, so it can be removed 506 proxy.guid = fn.guid = fn.guid || jQuery.guid++; 507 508 return proxy; 509 }, 510 511 now: Date.now, 512 513 // jQuery.support is not used in Core but other projects attach their 514 // properties to it so it needs to exist. 515 support: support 516 } ); 517 518 if ( typeof Symbol === "function" ) { 519 jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ]; 520 } 521 522 // Populate the class2type map 523 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), 524 function( i, name ) { 525 class2type[ "[object " + name + "]" ] = name.toLowerCase(); 526 } ); 527 528 function isArrayLike( obj ) { 529 530 // Support: real iOS 8.2 only (not reproducible in simulator) 531 // `in` check used to prevent JIT error (gh-2145) 532 // hasOwn isn't used here due to false negatives 533 // regarding Nodelist length in IE 534 var length = !!obj && "length" in obj && obj.length, 535 type = jQuery.type( obj ); 536 537 if ( type === "function" || jQuery.isWindow( obj ) ) { 538 return false; 539 } 540 541 return type === "array" || length === 0 || 542 typeof length === "number" && length > 0 && ( length - 1 ) in obj; 543 } 544 var Sizzle = 545 /*! 546 * Sizzle CSS Selector Engine v2.3.0 547 * https://sizzlejs.com/ 548 * 549 * Copyright jQuery Foundation and other contributors 550 * Released under the MIT license 551 * http://jquery.org/license 552 * 553 * Date: 2016-01-04 554 */ 555 (function( window ) { 556 557 var i, 558 support, 559 Expr, 560 getText, 561 isXML, 562 tokenize, 563 compile, 564 select, 565 outermostContext, 566 sortInput, 567 hasDuplicate, 568 569 // Local document vars 570 setDocument, 571 document, 572 docElem, 573 documentIsHTML, 574 rbuggyQSA, 575 rbuggyMatches, 576 matches, 577 contains, 578 579 // Instance-specific data 580 expando = "sizzle" + 1 * new Date(), 581 preferredDoc = window.document, 582 dirruns = 0, 583 done = 0, 584 classCache = createCache(), 585 tokenCache = createCache(), 586 compilerCache = createCache(), 587 sortOrder = function( a, b ) { 588 if ( a === b ) { 589 hasDuplicate = true; 590 } 591 return 0; 592 }, 593 594 // Instance methods 595 hasOwn = ({}).hasOwnProperty, 596 arr = [], 597 pop = arr.pop, 598 push_native = arr.push, 599 push = arr.push, 600 slice = arr.slice, 601 // Use a stripped-down indexOf as it's faster than native 602 // https://jsperf.com/thor-indexof-vs-for/5 603 indexOf = function( list, elem ) { 604 var i = 0, 605 len = list.length; 606 for ( ; i < len; i++ ) { 607 if ( list[i] === elem ) { 608 return i; 609 } 610 } 611 return -1; 612 }, 613 614 booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", 615 616 // Regular expressions 617 618 // http://www.w3.org/TR/css3-selectors/#whitespace 619 whitespace = "[\\x20\\t\\r\\n\\f]", 620 621 // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier 622 identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+", 623 624 // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors 625 attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + 626 // Operator (capture 2) 627 "*([*^$|!~]?=)" + whitespace + 628 // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" 629 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + 630 "*\\]", 631 632 pseudos = ":(" + identifier + ")(?:\\((" + 633 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: 634 // 1. quoted (capture 3; capture 4 or capture 5) 635 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + 636 // 2. simple (capture 6) 637 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + 638 // 3. anything else (capture 2) 639 ".*" + 640 ")\\)|)", 641 642 // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter 643 rwhitespace = new RegExp( whitespace + "+", "g" ), 644 rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), 645 646 rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), 647 rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), 648 649 rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), 650 651 rpseudo = new RegExp( pseudos ), 652 ridentifier = new RegExp( "^" + identifier + "$" ), 653 654 matchExpr = { 655 "ID": new RegExp( "^#(" + identifier + ")" ), 656 "CLASS": new RegExp( "^\\.(" + identifier + ")" ), 657 "TAG": new RegExp( "^(" + identifier + "|[*])" ), 658 "ATTR": new RegExp( "^" + attributes ), 659 "PSEUDO": new RegExp( "^" + pseudos ), 660 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + 661 "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + 662 "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), 663 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), 664 // For use in libraries implementing .is() 665 // We use this for POS matching in `select` 666 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + 667 whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) 668 }, 669 670 rinputs = /^(?:input|select|textarea|button)$/i, 671 rheader = /^h\d$/i, 672 673 rnative = /^[^{]+\{\s*\[native \w/, 674 675 // Easily-parseable/retrievable ID or TAG or CLASS selectors 676 rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, 677 678 rsibling = /[+~]/, 679 680 // CSS escapes 681 // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters 682 runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), 683 funescape = function( _, escaped, escapedWhitespace ) { 684 var high = "0x" + escaped - 0x10000; 685 // NaN means non-codepoint 686 // Support: Firefox<24 687 // Workaround erroneous numeric interpretation of +"0x" 688 return high !== high || escapedWhitespace ? 689 escaped : 690 high < 0 ? 691 // BMP codepoint 692 String.fromCharCode( high + 0x10000 ) : 693 // Supplemental Plane codepoint (surrogate pair) 694 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); 695 }, 696 697 // CSS string/identifier serialization 698 // https://drafts.csswg.org/cssom/#common-serializing-idioms 699 rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g, 700 fcssescape = function( ch, asCodePoint ) { 701 if ( asCodePoint ) { 702 703 // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER 704 if ( ch === "\0" ) { 705 return "\uFFFD"; 706 } 707 708 // Control characters and (dependent upon position) numbers get escaped as code points 709 return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; 710 } 711 712 // Other potentially-special ASCII characters get backslash-escaped 713 return "\\" + ch; 714 }, 715 716 // Used for iframes 717 // See setDocument() 718 // Removing the function wrapper causes a "Permission Denied" 719 // error in IE 720 unloadHandler = function() { 721 setDocument(); 722 }, 723 724 disabledAncestor = addCombinator( 725 function( elem ) { 726 return elem.disabled === true; 727 }, 728 { dir: "parentNode", next: "legend" } 729 ); 730 731 // Optimize for push.apply( _, NodeList ) 732 try { 733 push.apply( 734 (arr = slice.call( preferredDoc.childNodes )), 735 preferredDoc.childNodes 736 ); 737 // Support: Android<4.0 738 // Detect silently failing push.apply 739 arr[ preferredDoc.childNodes.length ].nodeType; 740 } catch ( e ) { 741 push = { apply: arr.length ? 742 743 // Leverage slice if possible 744 function( target, els ) { 745 push_native.apply( target, slice.call(els) ); 746 } : 747 748 // Support: IE<9 749 // Otherwise append directly 750 function( target, els ) { 751 var j = target.length, 752 i = 0; 753 // Can't trust NodeList.length 754 while ( (target[j++] = els[i++]) ) {} 755 target.length = j - 1; 756 } 757 }; 758 } 759 760 function Sizzle( selector, context, results, seed ) { 761 var m, i, elem, nid, match, groups, newSelector, 762 newContext = context && context.ownerDocument, 763 764 // nodeType defaults to 9, since context defaults to document 765 nodeType = context ? context.nodeType : 9; 766 767 results = results || []; 768 769 // Return early from calls with invalid selector or context 770 if ( typeof selector !== "string" || !selector || 771 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { 772 773 return results; 774 } 775 776 // Try to shortcut find operations (as opposed to filters) in HTML documents 777 if ( !seed ) { 778 779 if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { 780 setDocument( context ); 781 } 782 context = context || document; 783 784 if ( documentIsHTML ) { 785 786 // If the selector is sufficiently simple, try using a "get*By*" DOM method 787 // (excepting DocumentFragment context, where the methods don't exist) 788 if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) { 789 790 // ID selector 791 if ( (m = match[1]) ) { 792 793 // Document context 794 if ( nodeType === 9 ) { 795 if ( (elem = context.getElementById( m )) ) { 796 797 // Support: IE, Opera, Webkit 798 // TODO: identify versions 799 // getElementById can match elements by name instead of ID 800 if ( elem.id === m ) { 801 results.push( elem ); 802 return results; 803 } 804 } else { 805 return results; 806 } 807 808 // Element context 809 } else { 810 811 // Support: IE, Opera, Webkit 812 // TODO: identify versions 813 // getElementById can match elements by name instead of ID 814 if ( newContext && (elem = newContext.getElementById( m )) && 815 contains( context, elem ) && 816 elem.id === m ) { 817 818 results.push( elem ); 819 return results; 820 } 821 } 822 823 // Type selector 824 } else if ( match[2] ) { 825 push.apply( results, context.getElementsByTagName( selector ) ); 826 return results; 827 828 // Class selector 829 } else if ( (m = match[3]) && support.getElementsByClassName && 830 context.getElementsByClassName ) { 831 832 push.apply( results, context.getElementsByClassName( m ) ); 833 return results; 834 } 835 } 836 837 // Take advantage of querySelectorAll 838 if ( support.qsa && 839 !compilerCache[ selector + " " ] && 840 (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { 841 842 if ( nodeType !== 1 ) { 843 newContext = context; 844 newSelector = selector; 845 846 // qSA looks outside Element context, which is not what we want 847 // Thanks to Andrew Dupont for this workaround technique 848 // Support: IE <=8 849 // Exclude object elements 850 } else if ( context.nodeName.toLowerCase() !== "object" ) { 851 852 // Capture the context ID, setting it first if necessary 853 if ( (nid = context.getAttribute( "id" )) ) { 854 nid = nid.replace( rcssescape, fcssescape ); 855 } else { 856 context.setAttribute( "id", (nid = expando) ); 857 } 858 859 // Prefix every selector in the list 860 groups = tokenize( selector ); 861 i = groups.length; 862 while ( i-- ) { 863 groups[i] = "#" + nid + " " + toSelector( groups[i] ); 864 } 865 newSelector = groups.join( "," ); 866 867 // Expand context for sibling selectors 868 newContext = rsibling.test( selector ) && testContext( context.parentNode ) || 869 context; 870 } 871 872 if ( newSelector ) { 873 try { 874 push.apply( results, 875 newContext.querySelectorAll( newSelector ) 876 ); 877 return results; 878 } catch ( qsaError ) { 879 } finally { 880 if ( nid === expando ) { 881 context.removeAttribute( "id" ); 882 } 883 } 884 } 885 } 886 } 887 } 888 889 // All others 890 return select( selector.replace( rtrim, "$1" ), context, results, seed ); 891 } 892 893 /** 894 * Create key-value caches of limited size 895 * @returns {function(string, object)} Returns the Object data after storing it on itself with 896 * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) 897 * deleting the oldest entry 898 */ 899 function createCache() { 900 var keys = []; 901 902 function cache( key, value ) { 903 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) 904 if ( keys.push( key + " " ) > Expr.cacheLength ) { 905 // Only keep the most recent entries 906 delete cache[ keys.shift() ]; 907 } 908 return (cache[ key + " " ] = value); 909 } 910 return cache; 911 } 912 913 /** 914 * Mark a function for special use by Sizzle 915 * @param {Function} fn The function to mark 916 */ 917 function markFunction( fn ) { 918 fn[ expando ] = true; 919 return fn; 920 } 921 922 /** 923 * Support testing using an element 924 * @param {Function} fn Passed the created element and returns a boolean result 925 */ 926 function assert( fn ) { 927 var el = document.createElement("fieldset"); 928 929 try { 930 return !!fn( el ); 931 } catch (e) { 932 return false; 933 } finally { 934 // Remove from its parent by default 935 if ( el.parentNode ) { 936 el.parentNode.removeChild( el ); 937 } 938 // release memory in IE 939 el = null; 940 } 941 } 942 943 /** 944 * Adds the same handler for all of the specified attrs 945 * @param {String} attrs Pipe-separated list of attributes 946 * @param {Function} handler The method that will be applied 947 */ 948 function addHandle( attrs, handler ) { 949 var arr = attrs.split("|"), 950 i = arr.length; 951 952 while ( i-- ) { 953 Expr.attrHandle[ arr[i] ] = handler; 954 } 955 } 956 957 /** 958 * Checks document order of two siblings 959 * @param {Element} a 960 * @param {Element} b 961 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b 962 */ 963 function siblingCheck( a, b ) { 964 var cur = b && a, 965 diff = cur && a.nodeType === 1 && b.nodeType === 1 && 966 a.sourceIndex - b.sourceIndex; 967 968 // Use IE sourceIndex if available on both nodes 969 if ( diff ) { 970 return diff; 971 } 972 973 // Check if b follows a 974 if ( cur ) { 975 while ( (cur = cur.nextSibling) ) { 976 if ( cur === b ) { 977 return -1; 978 } 979 } 980 } 981 982 return a ? 1 : -1; 983 } 984 985 /** 986 * Returns a function to use in pseudos for input types 987 * @param {String} type 988 */ 989 function createInputPseudo( type ) { 990 return function( elem ) { 991 var name = elem.nodeName.toLowerCase(); 992 return name === "input" && elem.type === type; 993 }; 994 } 995 996 /** 997 * Returns a function to use in pseudos for buttons 998 * @param {String} type 999 */ 1000 function createButtonPseudo( type ) { 1001 return function( elem ) { 1002 var name = elem.nodeName.toLowerCase(); 1003 return (name === "input" || name === "button") && elem.type === type; 1004 }; 1005 } 1006 1007 /** 1008 * Returns a function to use in pseudos for :enabled/:disabled 1009 * @param {Boolean} disabled true for :disabled; false for :enabled 1010 */ 1011 function createDisabledPseudo( disabled ) { 1012 // Known :disabled false positives: 1013 // IE: *[disabled]:not(button, input, select, textarea, optgroup, option, menuitem, fieldset) 1014 // not IE: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable 1015 return function( elem ) { 1016 1017 // Check form elements and option elements for explicit disabling 1018 return "label" in elem && elem.disabled === disabled || 1019 "form" in elem && elem.disabled === disabled || 1020 1021 // Check non-disabled form elements for fieldset[disabled] ancestors 1022 "form" in elem && elem.disabled === false && ( 1023 // Support: IE6-11+ 1024 // Ancestry is covered for us 1025 elem.isDisabled === disabled || 1026 1027 // Otherwise, assume any non-<option> under fieldset[disabled] is disabled 1028 /* jshint -W018 */ 1029 elem.isDisabled !== !disabled && 1030 ("label" in elem || !disabledAncestor( elem )) !== disabled 1031 ); 1032 }; 1033 } 1034 1035 /** 1036 * Returns a function to use in pseudos for positionals 1037 * @param {Function} fn 1038 */ 1039 function createPositionalPseudo( fn ) { 1040 return markFunction(function( argument ) { 1041 argument = +argument; 1042 return markFunction(function( seed, matches ) { 1043 var j, 1044 matchIndexes = fn( [], seed.length, argument ), 1045 i = matchIndexes.length; 1046 1047 // Match elements found at the specified indexes 1048 while ( i-- ) { 1049 if ( seed[ (j = matchIndexes[i]) ] ) { 1050 seed[j] = !(matches[j] = seed[j]); 1051 } 1052 } 1053 }); 1054 }); 1055 } 1056 1057 /** 1058 * Checks a node for validity as a Sizzle context 1059 * @param {Element|Object=} context 1060 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value 1061 */ 1062 function testContext( context ) { 1063 return context && typeof context.getElementsByTagName !== "undefined" && context; 1064 } 1065 1066 // Expose support vars for convenience 1067 support = Sizzle.support = {}; 1068 1069 /** 1070 * Detects XML nodes 1071 * @param {Element|Object} elem An element or a document 1072 * @returns {Boolean} True iff elem is a non-HTML XML node 1073 */ 1074 isXML = Sizzle.isXML = function( elem ) { 1075 // documentElement is verified for cases where it doesn't yet exist 1076 // (such as loading iframes in IE - #4833) 1077 var documentElement = elem && (elem.ownerDocument || elem).documentElement; 1078 return documentElement ? documentElement.nodeName !== "HTML" : false; 1079 }; 1080 1081 /** 1082 * Sets document-related variables once based on the current document 1083 * @param {Element|Object} [doc] An element or document object to use to set the document 1084 * @returns {Object} Returns the current document 1085 */ 1086 setDocument = Sizzle.setDocument = function( node ) { 1087 var hasCompare, subWindow, 1088 doc = node ? node.ownerDocument || node : preferredDoc; 1089 1090 // Return early if doc is invalid or already selected 1091 if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { 1092 return document; 1093 } 1094 1095 // Update global variables 1096 document = doc; 1097 docElem = document.documentElement; 1098 documentIsHTML = !isXML( document ); 1099 1100 // Support: IE 9-11, Edge 1101 // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936) 1102 if ( preferredDoc !== document && 1103 (subWindow = document.defaultView) && subWindow.top !== subWindow ) { 1104 1105 // Support: IE 11, Edge 1106 if ( subWindow.addEventListener ) { 1107 subWindow.addEventListener( "unload", unloadHandler, false ); 1108 1109 // Support: IE 9 - 10 only 1110 } else if ( subWindow.attachEvent ) { 1111 subWindow.attachEvent( "onunload", unloadHandler ); 1112 } 1113 } 1114 1115 /* Attributes 1116 ---------------------------------------------------------------------- */ 1117 1118 // Support: IE<8 1119 // Verify that getAttribute really returns attributes and not properties 1120 // (excepting IE8 booleans) 1121 support.attributes = assert(function( el ) { 1122 el.className = "i"; 1123 return !el.getAttribute("className"); 1124 }); 1125 1126 /* getElement(s)By* 1127 ---------------------------------------------------------------------- */ 1128 1129 // Check if getElementsByTagName("*") returns only elements 1130 support.getElementsByTagName = assert(function( el ) { 1131 el.appendChild( document.createComment("") ); 1132 return !el.getElementsByTagName("*").length; 1133 }); 1134 1135 // Support: IE<9 1136 support.getElementsByClassName = rnative.test( document.getElementsByClassName ); 1137 1138 // Support: IE<10 1139 // Check if getElementById returns elements by name 1140 // The broken getElementById methods don't pick up programmatically-set names, 1141 // so use a roundabout getElementsByName test 1142 support.getById = assert(function( el ) { 1143 docElem.appendChild( el ).id = expando; 1144 return !document.getElementsByName || !document.getElementsByName( expando ).length; 1145 }); 1146 1147 // ID find and filter 1148 if ( support.getById ) { 1149 Expr.find["ID"] = function( id, context ) { 1150 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { 1151 var m = context.getElementById( id ); 1152 return m ? [ m ] : []; 1153 } 1154 }; 1155 Expr.filter["ID"] = function( id ) { 1156 var attrId = id.replace( runescape, funescape ); 1157 return function( elem ) { 1158 return elem.getAttribute("id") === attrId; 1159 }; 1160 }; 1161 } else { 1162 // Support: IE6/7 1163 // getElementById is not reliable as a find shortcut 1164 delete Expr.find["ID"]; 1165 1166 Expr.filter["ID"] = function( id ) { 1167 var attrId = id.replace( runescape, funescape ); 1168 return function( elem ) { 1169 var node = typeof elem.getAttributeNode !== "undefined" && 1170 elem.getAttributeNode("id"); 1171 return node && node.value === attrId; 1172 }; 1173 }; 1174 } 1175 1176 // Tag 1177 Expr.find["TAG"] = support.getElementsByTagName ? 1178 function( tag, context ) { 1179 if ( typeof context.getElementsByTagName !== "undefined" ) { 1180 return context.getElementsByTagName( tag ); 1181 1182 // DocumentFragment nodes don't have gEBTN 1183 } else if ( support.qsa ) { 1184 return context.querySelectorAll( tag ); 1185 } 1186 } : 1187 1188 function( tag, context ) { 1189 var elem, 1190 tmp = [], 1191 i = 0, 1192 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too 1193 results = context.getElementsByTagName( tag ); 1194 1195 // Filter out possible comments 1196 if ( tag === "*" ) { 1197 while ( (elem = results[i++]) ) { 1198 if ( elem.nodeType === 1 ) { 1199 tmp.push( elem ); 1200 } 1201 } 1202 1203 return tmp; 1204 } 1205 return results; 1206 }; 1207 1208 // Class 1209 Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { 1210 if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { 1211 return context.getElementsByClassName( className ); 1212 } 1213 }; 1214 1215 /* QSA/matchesSelector 1216 ---------------------------------------------------------------------- */ 1217 1218 // QSA and matchesSelector support 1219 1220 // matchesSelector(:active) reports false when true (IE9/Opera 11.5) 1221 rbuggyMatches = []; 1222 1223 // qSa(:focus) reports false when true (Chrome 21) 1224 // We allow this because of a bug in IE8/9 that throws an error 1225 // whenever `document.activeElement` is accessed on an iframe 1226 // So, we allow :focus to pass through QSA all the time to avoid the IE error 1227 // See https://bugs.jquery.com/ticket/13378 1228 rbuggyQSA = []; 1229 1230 if ( (support.qsa = rnative.test( document.querySelectorAll )) ) { 1231 // Build QSA regex 1232 // Regex strategy adopted from Diego Perini 1233 assert(function( el ) { 1234 // Select is set to empty string on purpose 1235 // This is to test IE's treatment of not explicitly 1236 // setting a boolean content attribute, 1237 // since its presence should be enough 1238 // https://bugs.jquery.com/ticket/12359 1239 docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" + 1240 "<select id='" + expando + "-\r\\' msallowcapture=''>" + 1241 "<option selected=''></option></select>"; 1242 1243 // Support: IE8, Opera 11-12.16 1244 // Nothing should be selected when empty strings follow ^= or $= or *= 1245 // The test attribute must be unknown in Opera but "safe" for WinRT 1246 // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section 1247 if ( el.querySelectorAll("[msallowcapture^='']").length ) { 1248 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); 1249 } 1250 1251 // Support: IE8 1252 // Boolean attributes and "value" are not treated correctly 1253 if ( !el.querySelectorAll("[selected]").length ) { 1254 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); 1255 } 1256 1257 // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+ 1258 if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) { 1259 rbuggyQSA.push("~="); 1260 } 1261 1262 // Webkit/Opera - :checked should return selected option elements 1263 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked 1264 // IE8 throws error here and will not see later tests 1265 if ( !el.querySelectorAll(":checked").length ) { 1266 rbuggyQSA.push(":checked"); 1267 } 1268 1269 // Support: Safari 8+, iOS 8+ 1270 // https://bugs.webkit.org/show_bug.cgi?id=136851 1271 // In-page `selector#id sibling-combinator selector` fails 1272 if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) { 1273 rbuggyQSA.push(".#.+[+~]"); 1274 } 1275 }); 1276 1277 assert(function( el ) { 1278 el.innerHTML = "<a href='' disabled='disabled'></a>" + 1279 "<select disabled='disabled'><option/></select>"; 1280 1281 // Support: Windows 8 Native Apps 1282 // The type and name attributes are restricted during .innerHTML assignment 1283 var input = document.createElement("input"); 1284 input.setAttribute( "type", "hidden" ); 1285 el.appendChild( input ).setAttribute( "name", "D" ); 1286 1287 // Support: IE8 1288 // Enforce case-sensitivity of name attribute 1289 if ( el.querySelectorAll("[name=d]").length ) { 1290 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); 1291 } 1292 1293 // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) 1294 // IE8 throws error here and will not see later tests 1295 if ( el.querySelectorAll(":enabled").length !== 2 ) { 1296 rbuggyQSA.push( ":enabled", ":disabled" ); 1297 } 1298 1299 // Support: IE9-11+ 1300 // IE's :disabled selector does not pick up the children of disabled fieldsets 1301 docElem.appendChild( el ).disabled = true; 1302 if ( el.querySelectorAll(":disabled").length !== 2 ) { 1303 rbuggyQSA.push( ":enabled", ":disabled" ); 1304 } 1305 1306 // Opera 10-11 does not throw on post-comma invalid pseudos 1307 el.querySelectorAll("*,:x"); 1308 rbuggyQSA.push(",.*:"); 1309 }); 1310 } 1311 1312 if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || 1313 docElem.webkitMatchesSelector || 1314 docElem.mozMatchesSelector || 1315 docElem.oMatchesSelector || 1316 docElem.msMatchesSelector) )) ) { 1317 1318 assert(function( el ) { 1319 // Check to see if it's possible to do matchesSelector 1320 // on a disconnected node (IE 9) 1321 support.disconnectedMatch = matches.call( el, "*" ); 1322 1323 // This should fail with an exception 1324 // Gecko does not error, returns false instead 1325 matches.call( el, "[s!='']:x" ); 1326 rbuggyMatches.push( "!=", pseudos ); 1327 }); 1328 } 1329 1330 rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); 1331 rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") ); 1332 1333 /* Contains 1334 ---------------------------------------------------------------------- */ 1335 hasCompare = rnative.test( docElem.compareDocumentPosition ); 1336 1337 // Element contains another 1338 // Purposefully self-exclusive 1339 // As in, an element does not contain itself 1340 contains = hasCompare || rnative.test( docElem.contains ) ? 1341 function( a, b ) { 1342 var adown = a.nodeType === 9 ? a.documentElement : a, 1343 bup = b && b.parentNode; 1344 return a === bup || !!( bup && bup.nodeType === 1 && ( 1345 adown.contains ? 1346 adown.contains( bup ) : 1347 a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 1348 )); 1349 } : 1350 function( a, b ) { 1351 if ( b ) { 1352 while ( (b = b.parentNode) ) { 1353 if ( b === a ) { 1354 return true; 1355 } 1356 } 1357 } 1358 return false; 1359 }; 1360 1361 /* Sorting 1362 ---------------------------------------------------------------------- */ 1363 1364 // Document order sorting 1365 sortOrder = hasCompare ? 1366 function( a, b ) { 1367 1368 // Flag for duplicate removal 1369 if ( a === b ) { 1370 hasDuplicate = true; 1371 return 0; 1372 } 1373 1374 // Sort on method existence if only one input has compareDocumentPosition 1375 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; 1376 if ( compare ) { 1377 return compare; 1378 } 1379 1380 // Calculate position if both inputs belong to the same document 1381 compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? 1382 a.compareDocumentPosition( b ) : 1383 1384 // Otherwise we know they are disconnected 1385 1; 1386 1387 // Disconnected nodes 1388 if ( compare & 1 || 1389 (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) { 1390 1391 // Choose the first element that is related to our preferred document 1392 if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { 1393 return -1; 1394 } 1395 if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { 1396 return 1; 1397 } 1398 1399 // Maintain original order 1400 return sortInput ? 1401 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : 1402 0; 1403 } 1404 1405 return compare & 4 ? -1 : 1; 1406 } : 1407 function( a, b ) { 1408 // Exit early if the nodes are identical 1409 if ( a === b ) { 1410 hasDuplicate = true; 1411 return 0; 1412 } 1413 1414 var cur, 1415 i = 0, 1416 aup = a.parentNode, 1417 bup = b.parentNode, 1418 ap = [ a ], 1419 bp = [ b ]; 1420 1421 // Parentless nodes are either documents or disconnected 1422 if ( !aup || !bup ) { 1423 return a === document ? -1 : 1424 b === document ? 1 : 1425 aup ? -1 : 1426 bup ? 1 : 1427 sortInput ? 1428 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : 1429 0; 1430 1431 // If the nodes are siblings, we can do a quick check 1432 } else if ( aup === bup ) { 1433 return siblingCheck( a, b ); 1434 } 1435 1436 // Otherwise we need full lists of their ancestors for comparison 1437 cur = a; 1438 while ( (cur = cur.parentNode) ) { 1439 ap.unshift( cur ); 1440 } 1441 cur = b; 1442 while ( (cur = cur.parentNode) ) { 1443 bp.unshift( cur ); 1444 } 1445 1446 // Walk down the tree looking for a discrepancy 1447 while ( ap[i] === bp[i] ) { 1448 i++; 1449 } 1450 1451 return i ? 1452 // Do a sibling check if the nodes have a common ancestor 1453 siblingCheck( ap[i], bp[i] ) : 1454 1455 // Otherwise nodes in our document sort first 1456 ap[i] === preferredDoc ? -1 : 1457 bp[i] === preferredDoc ? 1 : 1458 0; 1459 }; 1460 1461 return document; 1462 }; 1463 1464 Sizzle.matches = function( expr, elements ) { 1465 return Sizzle( expr, null, null, elements ); 1466 }; 1467 1468 Sizzle.matchesSelector = function( elem, expr ) { 1469 // Set document vars if needed 1470 if ( ( elem.ownerDocument || elem ) !== document ) { 1471 setDocument( elem ); 1472 } 1473 1474 // Make sure that attribute selectors are quoted 1475 expr = expr.replace( rattributeQuotes, "='$1']" ); 1476 1477 if ( support.matchesSelector && documentIsHTML && 1478 !compilerCache[ expr + " " ] && 1479 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && 1480 ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { 1481 1482 try { 1483 var ret = matches.call( elem, expr ); 1484 1485 // IE 9's matchesSelector returns false on disconnected nodes 1486 if ( ret || support.disconnectedMatch || 1487 // As well, disconnected nodes are said to be in a document 1488 // fragment in IE 9 1489 elem.document && elem.document.nodeType !== 11 ) { 1490 return ret; 1491 } 1492 } catch (e) {} 1493 } 1494 1495 return Sizzle( expr, document, null, [ elem ] ).length > 0; 1496 }; 1497 1498 Sizzle.contains = function( context, elem ) { 1499 // Set document vars if needed 1500 if ( ( context.ownerDocument || context ) !== document ) { 1501 setDocument( context ); 1502 } 1503 return contains( context, elem ); 1504 }; 1505 1506 Sizzle.attr = function( elem, name ) { 1507 // Set document vars if needed 1508 if ( ( elem.ownerDocument || elem ) !== document ) { 1509 setDocument( elem ); 1510 } 1511 1512 var fn = Expr.attrHandle[ name.toLowerCase() ], 1513 // Don't get fooled by Object.prototype properties (jQuery #13807) 1514 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? 1515 fn( elem, name, !documentIsHTML ) : 1516 undefined; 1517 1518 return val !== undefined ? 1519 val : 1520 support.attributes || !documentIsHTML ? 1521 elem.getAttribute( name ) : 1522 (val = elem.getAttributeNode(name)) && val.specified ? 1523 val.value : 1524 null; 1525 }; 1526 1527 Sizzle.escape = function( sel ) { 1528 return (sel + "").replace( rcssescape, fcssescape ); 1529 }; 1530 1531 Sizzle.error = function( msg ) { 1532 throw new Error( "Syntax error, unrecognized expression: " + msg ); 1533 }; 1534 1535 /** 1536 * Document sorting and removing duplicates 1537 * @param {ArrayLike} results 1538 */ 1539 Sizzle.uniqueSort = function( results ) { 1540 var elem, 1541 duplicates = [], 1542 j = 0, 1543 i = 0; 1544 1545 // Unless we *know* we can detect duplicates, assume their presence 1546 hasDuplicate = !support.detectDuplicates; 1547 sortInput = !support.sortStable && results.slice( 0 ); 1548 results.sort( sortOrder ); 1549 1550 if ( hasDuplicate ) { 1551 while ( (elem = results[i++]) ) { 1552 if ( elem === results[ i ] ) { 1553 j = duplicates.push( i ); 1554 } 1555 } 1556 while ( j-- ) { 1557 results.splice( duplicates[ j ], 1 ); 1558 } 1559 } 1560 1561 // Clear input after sorting to release objects 1562 // See https://github.com/jquery/sizzle/pull/225 1563 sortInput = null; 1564 1565 return results; 1566 }; 1567 1568 /** 1569 * Utility function for retrieving the text value of an array of DOM nodes 1570 * @param {Array|Element} elem 1571 */ 1572 getText = Sizzle.getText = function( elem ) { 1573 var node, 1574 ret = "", 1575 i = 0, 1576 nodeType = elem.nodeType; 1577 1578 if ( !nodeType ) { 1579 // If no nodeType, this is expected to be an array 1580 while ( (node = elem[i++]) ) { 1581 // Do not traverse comment nodes 1582 ret += getText( node ); 1583 } 1584 } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { 1585 // Use textContent for elements 1586 // innerText usage removed for consistency of new lines (jQuery #11153) 1587 if ( typeof elem.textContent === "string" ) { 1588 return elem.textContent; 1589 } else { 1590 // Traverse its children 1591 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { 1592 ret += getText( elem ); 1593 } 1594 } 1595 } else if ( nodeType === 3 || nodeType === 4 ) { 1596 return elem.nodeValue; 1597 } 1598 // Do not include comment or processing instruction nodes 1599 1600 return ret; 1601 }; 1602 1603 Expr = Sizzle.selectors = { 1604 1605 // Can be adjusted by the user 1606 cacheLength: 50, 1607 1608 createPseudo: markFunction, 1609 1610 match: matchExpr, 1611 1612 attrHandle: {}, 1613 1614 find: {}, 1615 1616 relative: { 1617 ">": { dir: "parentNode", first: true }, 1618 " ": { dir: "parentNode" }, 1619 "+": { dir: "previousSibling", first: true }, 1620 "~": { dir: "previousSibling" } 1621 }, 1622 1623 preFilter: { 1624 "ATTR": function( match ) { 1625 match[1] = match[1].replace( runescape, funescape ); 1626 1627 // Move the given value to match[3] whether quoted or unquoted 1628 match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape ); 1629 1630 if ( match[2] === "~=" ) { 1631 match[3] = " " + match[3] + " "; 1632 } 1633 1634 return match.slice( 0, 4 ); 1635 }, 1636 1637 "CHILD": function( match ) { 1638 /* matches from matchExpr["CHILD"] 1639 1 type (only|nth|...) 1640 2 what (child|of-type) 1641 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) 1642 4 xn-component of xn+y argument ([+-]?\d*n|) 1643 5 sign of xn-component 1644 6 x of xn-component 1645 7 sign of y-component 1646 8 y of y-component 1647 */ 1648 match[1] = match[1].toLowerCase(); 1649 1650 if ( match[1].slice( 0, 3 ) === "nth" ) { 1651 // nth-* requires argument 1652 if ( !match[3] ) { 1653 Sizzle.error( match[0] ); 1654 } 1655 1656 // numeric x and y parameters for Expr.filter.CHILD 1657 // remember that false/true cast respectively to 0/1 1658 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); 1659 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" ); 1660 1661 // other types prohibit arguments 1662 } else if ( match[3] ) { 1663 Sizzle.error( match[0] ); 1664 } 1665 1666 return match; 1667 }, 1668 1669 "PSEUDO": function( match ) { 1670 var excess, 1671 unquoted = !match[6] && match[2]; 1672 1673 if ( matchExpr["CHILD"].test( match[0] ) ) { 1674 return null; 1675 } 1676 1677 // Accept quoted arguments as-is 1678 if ( match[3] ) { 1679 match[2] = match[4] || match[5] || ""; 1680 1681 // Strip excess characters from unquoted arguments 1682 } else if ( unquoted && rpseudo.test( unquoted ) && 1683 // Get excess from tokenize (recursively) 1684 (excess = tokenize( unquoted, true )) && 1685 // advance to the next closing parenthesis 1686 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) { 1687 1688 // excess is a negative index 1689 match[0] = match[0].slice( 0, excess ); 1690 match[2] = unquoted.slice( 0, excess ); 1691 } 1692 1693 // Return only captures needed by the pseudo filter method (type and argument) 1694 return match.slice( 0, 3 ); 1695 } 1696 }, 1697 1698 filter: { 1699 1700 "TAG": function( nodeNameSelector ) { 1701 var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); 1702 return nodeNameSelector === "*" ? 1703 function() { return true; } : 1704 function( elem ) { 1705 return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; 1706 }; 1707 }, 1708 1709 "CLASS": function( className ) { 1710 var pattern = classCache[ className + " " ]; 1711 1712 return pattern || 1713 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && 1714 classCache( className, function( elem ) { 1715 return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" ); 1716 }); 1717 }, 1718 1719 "ATTR": function( name, operator, check ) { 1720 return function( elem ) { 1721 var result = Sizzle.attr( elem, name ); 1722 1723 if ( result == null ) { 1724 return operator === "!="; 1725 } 1726 if ( !operator ) { 1727 return true; 1728 } 1729 1730 result += ""; 1731 1732 return operator === "=" ? result === check : 1733 operator === "!=" ? result !== check : 1734 operator === "^=" ? check && result.indexOf( check ) === 0 : 1735 operator === "*=" ? check && result.indexOf( check ) > -1 : 1736 operator === "$=" ? check && result.slice( -check.length ) === check : 1737 operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : 1738 operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : 1739 false; 1740 }; 1741 }, 1742 1743 "CHILD": function( type, what, argument, first, last ) { 1744 var simple = type.slice( 0, 3 ) !== "nth", 1745 forward = type.slice( -4 ) !== "last", 1746 ofType = what === "of-type"; 1747 1748 return first === 1 && last === 0 ? 1749 1750 // Shortcut for :nth-*(n) 1751 function( elem ) { 1752 return !!elem.parentNode; 1753 } : 1754 1755 function( elem, context, xml ) { 1756 var cache, uniqueCache, outerCache, node, nodeIndex, start, 1757 dir = simple !== forward ? "nextSibling" : "previousSibling", 1758 parent = elem.parentNode, 1759 name = ofType && elem.nodeName.toLowerCase(), 1760 useCache = !xml && !ofType, 1761 diff = false; 1762 1763 if ( parent ) { 1764 1765 // :(first|last|only)-(child|of-type) 1766 if ( simple ) { 1767 while ( dir ) { 1768 node = elem; 1769 while ( (node = node[ dir ]) ) { 1770 if ( ofType ? 1771 node.nodeName.toLowerCase() === name : 1772 node.nodeType === 1 ) { 1773 1774 return false; 1775 } 1776 } 1777 // Reverse direction for :only-* (if we haven't yet done so) 1778 start = dir = type === "only" && !start && "nextSibling"; 1779 } 1780 return true; 1781 } 1782 1783 start = [ forward ? parent.firstChild : parent.lastChild ]; 1784 1785 // non-xml :nth-child(...) stores cache data on `parent` 1786 if ( forward && useCache ) { 1787 1788 // Seek `elem` from a previously-cached index 1789 1790 // ...in a gzip-friendly way 1791 node = parent; 1792 outerCache = node[ expando ] || (node[ expando ] = {}); 1793 1794 // Support: IE <9 only 1795 // Defend against cloned attroperties (jQuery gh-1709) 1796 uniqueCache = outerCache[ node.uniqueID ] || 1797 (outerCache[ node.uniqueID ] = {}); 1798 1799 cache = uniqueCache[ type ] || []; 1800 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; 1801 diff = nodeIndex && cache[ 2 ]; 1802 node = nodeIndex && parent.childNodes[ nodeIndex ]; 1803 1804 while ( (node = ++nodeIndex && node && node[ dir ] || 1805 1806 // Fallback to seeking `elem` from the start 1807 (diff = nodeIndex = 0) || start.pop()) ) { 1808 1809 // When found, cache indexes on `parent` and break 1810 if ( node.nodeType === 1 && ++diff && node === elem ) { 1811 uniqueCache[ type ] = [ dirruns, nodeIndex, diff ]; 1812 break; 1813 } 1814 } 1815 1816 } else { 1817 // Use previously-cached element index if available 1818 if ( useCache ) { 1819 // ...in a gzip-friendly way 1820 node = elem; 1821 outerCache = node[ expando ] || (node[ expando ] = {}); 1822 1823 // Support: IE <9 only 1824 // Defend against cloned attroperties (jQuery gh-1709) 1825 uniqueCache = outerCache[ node.uniqueID ] || 1826 (outerCache[ node.uniqueID ] = {}); 1827 1828 cache = uniqueCache[ type ] || []; 1829 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; 1830 diff = nodeIndex; 1831 } 1832 1833 // xml :nth-child(...) 1834 // or :nth-last-child(...) or :nth(-last)?-of-type(...) 1835 if ( diff === false ) { 1836 // Use the same loop as above to seek `elem` from the start 1837 while ( (node = ++nodeIndex && node && node[ dir ] || 1838 (diff = nodeIndex = 0) || start.pop()) ) { 1839 1840 if ( ( ofType ? 1841 node.nodeName.toLowerCase() === name : 1842 node.nodeType === 1 ) && 1843 ++diff ) { 1844 1845 // Cache the index of each encountered element 1846 if ( useCache ) { 1847 outerCache = node[ expando ] || (node[ expando ] = {}); 1848 1849 // Support: IE <9 only 1850 // Defend against cloned attroperties (jQuery gh-1709) 1851 uniqueCache = outerCache[ node.uniqueID ] || 1852 (outerCache[ node.uniqueID ] = {}); 1853 1854 uniqueCache[ type ] = [ dirruns, diff ]; 1855 } 1856 1857 if ( node === elem ) { 1858 break; 1859 } 1860 } 1861 } 1862 } 1863 } 1864 1865 // Incorporate the offset, then check against cycle size 1866 diff -= last; 1867 return diff === first || ( diff % first === 0 && diff / first >= 0 ); 1868 } 1869 }; 1870 }, 1871 1872 "PSEUDO": function( pseudo, argument ) { 1873 // pseudo-class names are case-insensitive 1874 // http://www.w3.org/TR/selectors/#pseudo-classes 1875 // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters 1876 // Remember that setFilters inherits from pseudos 1877 var args, 1878 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || 1879 Sizzle.error( "unsupported pseudo: " + pseudo ); 1880 1881 // The user may use createPseudo to indicate that 1882 // arguments are needed to create the filter function 1883 // just as Sizzle does 1884 if ( fn[ expando ] ) { 1885 return fn( argument ); 1886 } 1887 1888 // But maintain support for old signatures 1889 if ( fn.length > 1 ) { 1890 args = [ pseudo, pseudo, "", argument ]; 1891 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? 1892 markFunction(function( seed, matches ) { 1893 var idx, 1894 matched = fn( seed, argument ), 1895 i = matched.length; 1896 while ( i-- ) { 1897 idx = indexOf( seed, matched[i] ); 1898 seed[ idx ] = !( matches[ idx ] = matched[i] ); 1899 } 1900 }) : 1901 function( elem ) { 1902 return fn( elem, 0, args ); 1903 }; 1904 } 1905 1906 return fn; 1907 } 1908 }, 1909 1910 pseudos: { 1911 // Potentially complex pseudos 1912 "not": markFunction(function( selector ) { 1913 // Trim the selector passed to compile 1914 // to avoid treating leading and trailing 1915 // spaces as combinators 1916 var input = [], 1917 results = [], 1918 matcher = compile( selector.replace( rtrim, "$1" ) ); 1919 1920 return matcher[ expando ] ? 1921 markFunction(function( seed, matches, context, xml ) { 1922 var elem, 1923 unmatched = matcher( seed, null, xml, [] ), 1924 i = seed.length; 1925 1926 // Match elements unmatched by `matcher` 1927 while ( i-- ) { 1928 if ( (elem = unmatched[i]) ) { 1929 seed[i] = !(matches[i] = elem); 1930 } 1931 } 1932 }) : 1933 function( elem, context, xml ) { 1934 input[0] = elem; 1935 matcher( input, null, xml, results ); 1936 // Don't keep the element (issue #299) 1937 input[0] = null; 1938 return !results.pop(); 1939 }; 1940 }), 1941 1942 "has": markFunction(function( selector ) { 1943 return function( elem ) { 1944 return Sizzle( selector, elem ).length > 0; 1945 }; 1946 }), 1947 1948 "contains": markFunction(function( text ) { 1949 text = text.replace( runescape, funescape ); 1950 return function( elem ) { 1951 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; 1952 }; 1953 }), 1954 1955 // "Whether an element is represented by a :lang() selector 1956 // is based solely on the element's language value 1957 // being equal to the identifier C, 1958 // or beginning with the identifier C immediately followed by "-". 1959 // The matching of C against the element's language value is performed case-insensitively. 1960 // The identifier C does not have to be a valid language name." 1961 // http://www.w3.org/TR/selectors/#lang-pseudo 1962 "lang": markFunction( function( lang ) { 1963 // lang value must be a valid identifier 1964 if ( !ridentifier.test(lang || "") ) { 1965 Sizzle.error( "unsupported lang: " + lang ); 1966 } 1967 lang = lang.replace( runescape, funescape ).toLowerCase(); 1968 return function( elem ) { 1969 var elemLang; 1970 do { 1971 if ( (elemLang = documentIsHTML ? 1972 elem.lang : 1973 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) { 1974 1975 elemLang = elemLang.toLowerCase(); 1976 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; 1977 } 1978 } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); 1979 return false; 1980 }; 1981 }), 1982 1983 // Miscellaneous 1984 "target": function( elem ) { 1985 var hash = window.location && window.location.hash; 1986 return hash && hash.slice( 1 ) === elem.id; 1987 }, 1988 1989 "root": function( elem ) { 1990 return elem === docElem; 1991 }, 1992 1993 "focus": function( elem ) { 1994 return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); 1995 }, 1996 1997 // Boolean properties 1998 "enabled": createDisabledPseudo( false ), 1999 "disabled": createDisabledPseudo( true ), 2000 2001 "checked": function( elem ) { 2002 // In CSS3, :checked should return both checked and selected elements 2003 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked 2004 var nodeName = elem.nodeName.toLowerCase(); 2005 return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); 2006 }, 2007 2008 "selected": function( elem ) { 2009 // Accessing this property makes selected-by-default 2010 // options in Safari work properly 2011 if ( elem.parentNode ) { 2012 elem.parentNode.selectedIndex; 2013 } 2014 2015 return elem.selected === true; 2016 }, 2017 2018 // Contents 2019 "empty": function( elem ) { 2020 // http://www.w3.org/TR/selectors/#empty-pseudo 2021 // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), 2022 // but not by others (comment: 8; processing instruction: 7; etc.) 2023 // nodeType < 6 works because attributes (2) do not appear as children 2024 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { 2025 if ( elem.nodeType < 6 ) { 2026 return false; 2027 } 2028 } 2029 return true; 2030 }, 2031 2032 "parent": function( elem ) { 2033 return !Expr.pseudos["empty"]( elem ); 2034 }, 2035 2036 // Element/input types 2037 "header": function( elem ) { 2038 return rheader.test( elem.nodeName ); 2039 }, 2040 2041 "input": function( elem ) { 2042 return rinputs.test( elem.nodeName ); 2043 }, 2044 2045 "button": function( elem ) { 2046 var name = elem.nodeName.toLowerCase(); 2047 return name === "input" && elem.type === "button" || name === "button"; 2048 }, 2049 2050 "text": function( elem ) { 2051 var attr; 2052 return elem.nodeName.toLowerCase() === "input" && 2053 elem.type === "text" && 2054 2055 // Support: IE<8 2056 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" 2057 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); 2058 }, 2059 2060 // Position-in-collection 2061 "first": createPositionalPseudo(function() { 2062 return [ 0 ]; 2063 }), 2064 2065 "last": createPositionalPseudo(function( matchIndexes, length ) { 2066 return [ length - 1 ]; 2067 }), 2068 2069 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) { 2070 return [ argument < 0 ? argument + length : argument ]; 2071 }), 2072 2073 "even": createPositionalPseudo(function( matchIndexes, length ) { 2074 var i = 0; 2075 for ( ; i < length; i += 2 ) { 2076 matchIndexes.push( i ); 2077 } 2078 return matchIndexes; 2079 }), 2080 2081 "odd": createPositionalPseudo(function( matchIndexes, length ) { 2082 var i = 1; 2083 for ( ; i < length; i += 2 ) { 2084 matchIndexes.push( i ); 2085 } 2086 return matchIndexes; 2087 }), 2088 2089 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) { 2090 var i = argument < 0 ? argument + length : argument; 2091 for ( ; --i >= 0; ) { 2092 matchIndexes.push( i ); 2093 } 2094 return matchIndexes; 2095 }), 2096 2097 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) { 2098 var i = argument < 0 ? argument + length : argument; 2099 for ( ; ++i < length; ) { 2100 matchIndexes.push( i ); 2101 } 2102 return matchIndexes; 2103 }) 2104 } 2105 }; 2106 2107 Expr.pseudos["nth"] = Expr.pseudos["eq"]; 2108 2109 // Add button/input type pseudos 2110 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { 2111 Expr.pseudos[ i ] = createInputPseudo( i ); 2112 } 2113 for ( i in { submit: true, reset: true } ) { 2114 Expr.pseudos[ i ] = createButtonPseudo( i ); 2115 } 2116 2117 // Easy API for creating new setFilters 2118 function setFilters() {} 2119 setFilters.prototype = Expr.filters = Expr.pseudos; 2120 Expr.setFilters = new setFilters(); 2121 2122 tokenize = Sizzle.tokenize = function( selector, parseOnly ) { 2123 var matched, match, tokens, type, 2124 soFar, groups, preFilters, 2125 cached = tokenCache[ selector + " " ]; 2126 2127 if ( cached ) { 2128 return parseOnly ? 0 : cached.slice( 0 ); 2129 } 2130 2131 soFar = selector; 2132 groups = []; 2133 preFilters = Expr.preFilter; 2134 2135 while ( soFar ) { 2136 2137 // Comma and first run 2138 if ( !matched || (match = rcomma.exec( soFar )) ) { 2139 if ( match ) { 2140 // Don't consume trailing commas as valid 2141 soFar = soFar.slice( match[0].length ) || soFar; 2142 } 2143 groups.push( (tokens = []) ); 2144 } 2145 2146 matched = false; 2147 2148 // Combinators 2149 if ( (match = rcombinators.exec( soFar )) ) { 2150 matched = match.shift(); 2151 tokens.push({ 2152 value: matched, 2153 // Cast descendant combinators to space 2154 type: match[0].replace( rtrim, " " ) 2155 }); 2156 soFar = soFar.slice( matched.length ); 2157 } 2158 2159 // Filters 2160 for ( type in Expr.filter ) { 2161 if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || 2162 (match = preFilters[ type ]( match ))) ) { 2163 matched = match.shift(); 2164 tokens.push({ 2165 value: matched, 2166 type: type, 2167 matches: match 2168 }); 2169 soFar = soFar.slice( matched.length ); 2170 } 2171 } 2172 2173 if ( !matched ) { 2174 break; 2175 } 2176 } 2177 2178 // Return the length of the invalid excess 2179 // if we're just parsing 2180 // Otherwise, throw an error or return tokens 2181 return parseOnly ? 2182 soFar.length : 2183 soFar ? 2184 Sizzle.error( selector ) : 2185 // Cache the tokens 2186 tokenCache( selector, groups ).slice( 0 ); 2187 }; 2188 2189 function toSelector( tokens ) { 2190 var i = 0, 2191 len = tokens.length, 2192 selector = ""; 2193 for ( ; i < len; i++ ) { 2194 selector += tokens[i].value; 2195 } 2196 return selector; 2197 } 2198 2199 function addCombinator( matcher, combinator, base ) { 2200 var dir = combinator.dir, 2201 skip = combinator.next, 2202 key = skip || dir, 2203 checkNonElements = base && key === "parentNode", 2204 doneName = done++; 2205 2206 return combinator.first ? 2207 // Check against closest ancestor/preceding element 2208 function( elem, context, xml ) { 2209 while ( (elem = elem[ dir ]) ) { 2210 if ( elem.nodeType === 1 || checkNonElements ) { 2211 return matcher( elem, context, xml ); 2212 } 2213 } 2214 } : 2215 2216 // Check against all ancestor/preceding elements 2217 function( elem, context, xml ) { 2218 var oldCache, uniqueCache, outerCache, 2219 newCache = [ dirruns, doneName ]; 2220 2221 // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching 2222 if ( xml ) { 2223 while ( (elem = elem[ dir ]) ) { 2224 if ( elem.nodeType === 1 || checkNonElements ) { 2225 if ( matcher( elem, context, xml ) ) { 2226 return true; 2227 } 2228 } 2229 } 2230 } else { 2231 while ( (elem = elem[ dir ]) ) { 2232 if ( elem.nodeType === 1 || checkNonElements ) { 2233 outerCache = elem[ expando ] || (elem[ expando ] = {}); 2234 2235 // Support: IE <9 only 2236 // Defend against cloned attroperties (jQuery gh-1709) 2237 uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {}); 2238 2239 if ( skip && skip === elem.nodeName.toLowerCase() ) { 2240 elem = elem[ dir ] || elem; 2241 } else if ( (oldCache = uniqueCache[ key ]) && 2242 oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { 2243 2244 // Assign to newCache so results back-propagate to previous elements 2245 return (newCache[ 2 ] = oldCache[ 2 ]); 2246 } else { 2247 // Reuse newcache so results back-propagate to previous elements 2248 uniqueCache[ key ] = newCache; 2249 2250 // A match means we're done; a fail means we have to keep checking 2251 if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { 2252 return true; 2253 } 2254 } 2255 } 2256 } 2257 } 2258 }; 2259 } 2260 2261 function elementMatcher( matchers ) { 2262 return matchers.length > 1 ? 2263 function( elem, context, xml ) { 2264 var i = matchers.length; 2265 while ( i-- ) { 2266 if ( !matchers[i]( elem, context, xml ) ) { 2267 return false; 2268 } 2269 } 2270 return true; 2271 } : 2272 matchers[0]; 2273 } 2274 2275 function multipleContexts( selector, contexts, results ) { 2276 var i = 0, 2277 len = contexts.length; 2278 for ( ; i < len; i++ ) { 2279 Sizzle( selector, contexts[i], results ); 2280 } 2281 return results; 2282 } 2283 2284 function condense( unmatched, map, filter, context, xml ) { 2285 var elem, 2286 newUnmatched = [], 2287 i = 0, 2288 len = unmatched.length, 2289 mapped = map != null; 2290 2291 for ( ; i < len; i++ ) { 2292 if ( (elem = unmatched[i]) ) { 2293 if ( !filter || filter( elem, context, xml ) ) { 2294 newUnmatched.push( elem ); 2295 if ( mapped ) { 2296 map.push( i ); 2297 } 2298 } 2299 } 2300 } 2301 2302 return newUnmatched; 2303 } 2304 2305 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { 2306 if ( postFilter && !postFilter[ expando ] ) { 2307 postFilter = setMatcher( postFilter ); 2308 } 2309 if ( postFinder && !postFinder[ expando ] ) { 2310 postFinder = setMatcher( postFinder, postSelector ); 2311 } 2312 return markFunction(function( seed, results, context, xml ) { 2313 var temp, i, elem, 2314 preMap = [], 2315 postMap = [], 2316 preexisting = results.length, 2317 2318 // Get initial elements from seed or context 2319 elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ), 2320 2321 // Prefilter to get matcher input, preserving a map for seed-results synchronization 2322 matcherIn = preFilter && ( seed || !selector ) ? 2323 condense( elems, preMap, preFilter, context, xml ) : 2324 elems, 2325 2326 matcherOut = matcher ? 2327 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, 2328 postFinder || ( seed ? preFilter : preexisting || postFilter ) ? 2329 2330 // ...intermediate processing is necessary 2331 [] : 2332 2333 // ...otherwise use results directly 2334 results : 2335 matcherIn; 2336 2337 // Find primary matches 2338 if ( matcher ) { 2339 matcher( matcherIn, matcherOut, context, xml ); 2340 } 2341 2342 // Apply postFilter 2343 if ( postFilter ) { 2344 temp = condense( matcherOut, postMap ); 2345 postFilter( temp, [], context, xml ); 2346 2347 // Un-match failing elements by moving them back to matcherIn 2348 i = temp.length; 2349 while ( i-- ) { 2350 if ( (elem = temp[i]) ) { 2351 matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); 2352 } 2353 } 2354 } 2355 2356 if ( seed ) { 2357 if ( postFinder || preFilter ) { 2358 if ( postFinder ) { 2359 // Get the final matcherOut by condensing this intermediate into postFinder contexts 2360 temp = []; 2361 i = matcherOut.length; 2362 while ( i-- ) { 2363 if ( (elem = matcherOut[i]) ) { 2364 // Restore matcherIn since elem is not yet a final match 2365 temp.push( (matcherIn[i] = elem) ); 2366 } 2367 } 2368 postFinder( null, (matcherOut = []), temp, xml ); 2369 } 2370 2371 // Move matched elements from seed to results to keep them synchronized 2372 i = matcherOut.length; 2373 while ( i-- ) { 2374 if ( (elem = matcherOut[i]) && 2375 (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) { 2376 2377 seed[temp] = !(results[temp] = elem); 2378 } 2379 } 2380 } 2381 2382 // Add elements to results, through postFinder if defined 2383 } else { 2384 matcherOut = condense( 2385 matcherOut === results ? 2386 matcherOut.splice( preexisting, matcherOut.length ) : 2387 matcherOut 2388 ); 2389 if ( postFinder ) { 2390 postFinder( null, results, matcherOut, xml ); 2391 } else { 2392 push.apply( results, matcherOut ); 2393 } 2394 } 2395 }); 2396 } 2397 2398 function matcherFromTokens( tokens ) { 2399 var checkContext, matcher, j, 2400 len = tokens.length, 2401 leadingRelative = Expr.relative[ tokens[0].type ], 2402 implicitRelative = leadingRelative || Expr.relative[" "], 2403 i = leadingRelative ? 1 : 0, 2404 2405 // The foundational matcher ensures that elements are reachable from top-level context(s) 2406 matchContext = addCombinator( function( elem ) { 2407 return elem === checkContext; 2408 }, implicitRelative, true ), 2409 matchAnyContext = addCombinator( function( elem ) { 2410 return indexOf( checkContext, elem ) > -1; 2411 }, implicitRelative, true ), 2412 matchers = [ function( elem, context, xml ) { 2413 var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( 2414 (checkContext = context).nodeType ? 2415 matchContext( elem, context, xml ) : 2416 matchAnyContext( elem, context, xml ) ); 2417 // Avoid hanging onto element (issue #299) 2418 checkContext = null; 2419 return ret; 2420 } ]; 2421 2422 for ( ; i < len; i++ ) { 2423 if ( (matcher = Expr.relative[ tokens[i].type ]) ) { 2424 matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; 2425 } else { 2426 matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches ); 2427 2428 // Return special upon seeing a positional matcher 2429 if ( matcher[ expando ] ) { 2430 // Find the next relative operator (if any) for proper handling 2431 j = ++i; 2432 for ( ; j < len; j++ ) { 2433 if ( Expr.relative[ tokens[j].type ] ) { 2434 break; 2435 } 2436 } 2437 return setMatcher( 2438 i > 1 && elementMatcher( matchers ), 2439 i > 1 && toSelector( 2440 // If the preceding token was a descendant combinator, insert an implicit any-element `*` 2441 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) 2442 ).replace( rtrim, "$1" ), 2443 matcher, 2444 i < j && matcherFromTokens( tokens.slice( i, j ) ), 2445 j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), 2446 j < len && toSelector( tokens ) 2447 ); 2448 } 2449 matchers.push( matcher ); 2450 } 2451 } 2452 2453 return elementMatcher( matchers ); 2454 } 2455 2456 function matcherFromGroupMatchers( elementMatchers, setMatchers ) { 2457 var bySet = setMatchers.length > 0, 2458 byElement = elementMatchers.length > 0, 2459 superMatcher = function( seed, context, xml, results, outermost ) { 2460 var elem, j, matcher, 2461 matchedCount = 0, 2462 i = "0", 2463 unmatched = seed && [], 2464 setMatched = [], 2465 contextBackup = outermostContext, 2466 // We must always have either seed elements or outermost context 2467 elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), 2468 // Use integer dirruns iff this is the outermost matcher 2469 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), 2470 len = elems.length; 2471 2472 if ( outermost ) { 2473 outermostContext = context === document || context || outermost; 2474 } 2475 2476 // Add elements passing elementMatchers directly to results 2477 // Support: IE<9, Safari 2478 // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id 2479 for ( ; i !== len && (elem = elems[i]) != null; i++ ) { 2480 if ( byElement && elem ) { 2481 j = 0; 2482 if ( !context && elem.ownerDocument !== document ) { 2483 setDocument( elem ); 2484 xml = !documentIsHTML; 2485 } 2486 while ( (matcher = elementMatchers[j++]) ) { 2487 if ( matcher( elem, context || document, xml) ) { 2488 results.push( elem ); 2489 break; 2490 } 2491 } 2492 if ( outermost ) { 2493 dirruns = dirrunsUnique; 2494 } 2495 } 2496 2497 // Track unmatched elements for set filters 2498 if ( bySet ) { 2499 // They will have gone through all possible matchers 2500 if ( (elem = !matcher && elem) ) { 2501 matchedCount--; 2502 } 2503 2504 // Lengthen the array for every element, matched or not 2505 if ( seed ) { 2506 unmatched.push( elem ); 2507 } 2508 } 2509 } 2510 2511 // `i` is now the count of elements visited above, and adding it to `matchedCount` 2512 // makes the latter nonnegative. 2513 matchedCount += i; 2514 2515 // Apply set filters to unmatched elements 2516 // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` 2517 // equals `i`), unless we didn't visit _any_ elements in the above loop because we have 2518 // no element matchers and no seed. 2519 // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that 2520 // case, which will result in a "00" `matchedCount` that differs from `i` but is also 2521 // numerically zero. 2522 if ( bySet && i !== matchedCount ) { 2523 j = 0; 2524 while ( (matcher = setMatchers[j++]) ) { 2525 matcher( unmatched, setMatched, context, xml ); 2526 } 2527 2528 if ( seed ) { 2529 // Reintegrate element matches to eliminate the need for sorting 2530 if ( matchedCount > 0 ) { 2531 while ( i-- ) { 2532 if ( !(unmatched[i] || setMatched[i]) ) { 2533 setMatched[i] = pop.call( results ); 2534 } 2535 } 2536 } 2537 2538 // Discard index placeholder values to get only actual matches 2539 setMatched = condense( setMatched ); 2540 } 2541 2542 // Add matches to results 2543 push.apply( results, setMatched ); 2544 2545 // Seedless set matches succeeding multiple successful matchers stipulate sorting 2546 if ( outermost && !seed && setMatched.length > 0 && 2547 ( matchedCount + setMatchers.length ) > 1 ) { 2548 2549 Sizzle.uniqueSort( results ); 2550 } 2551 } 2552 2553 // Override manipulation of globals by nested matchers 2554 if ( outermost ) { 2555 dirruns = dirrunsUnique; 2556 outermostContext = contextBackup; 2557 } 2558 2559 return unmatched; 2560 }; 2561 2562 return bySet ? 2563 markFunction( superMatcher ) : 2564 superMatcher; 2565 } 2566 2567 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { 2568 var i, 2569 setMatchers = [], 2570 elementMatchers = [], 2571 cached = compilerCache[ selector + " " ]; 2572 2573 if ( !cached ) { 2574 // Generate a function of recursive functions that can be used to check each element 2575 if ( !match ) { 2576 match = tokenize( selector ); 2577 } 2578 i = match.length; 2579 while ( i-- ) { 2580 cached = matcherFromTokens( match[i] ); 2581 if ( cached[ expando ] ) { 2582 setMatchers.push( cached ); 2583 } else { 2584 elementMatchers.push( cached ); 2585 } 2586 } 2587 2588 // Cache the compiled function 2589 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); 2590 2591 // Save selector and tokenization 2592 cached.selector = selector; 2593 } 2594 return cached; 2595 }; 2596 2597 /** 2598 * A low-level selection function that works with Sizzle's compiled 2599 * selector functions 2600 * @param {String|Function} selector A selector or a pre-compiled 2601 * selector function built with Sizzle.compile 2602 * @param {Element} context 2603 * @param {Array} [results] 2604 * @param {Array} [seed] A set of elements to match against 2605 */ 2606 select = Sizzle.select = function( selector, context, results, seed ) { 2607 var i, tokens, token, type, find, 2608 compiled = typeof selector === "function" && selector, 2609 match = !seed && tokenize( (selector = compiled.selector || selector) ); 2610 2611 results = results || []; 2612 2613 // Try to minimize operations if there is only one selector in the list and no seed 2614 // (the latter of which guarantees us context) 2615 if ( match.length === 1 ) { 2616 2617 // Reduce context if the leading compound selector is an ID 2618 tokens = match[0] = match[0].slice( 0 ); 2619 if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && 2620 support.getById && context.nodeType === 9 && documentIsHTML && 2621 Expr.relative[ tokens[1].type ] ) { 2622 2623 context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; 2624 if ( !context ) { 2625 return results; 2626 2627 // Precompiled matchers will still verify ancestry, so step up a level 2628 } else if ( compiled ) { 2629 context = context.parentNode; 2630 } 2631 2632 selector = selector.slice( tokens.shift().value.length ); 2633 } 2634 2635 // Fetch a seed set for right-to-left matching 2636 i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; 2637 while ( i-- ) { 2638 token = tokens[i]; 2639 2640 // Abort if we hit a combinator 2641 if ( Expr.relative[ (type = token.type) ] ) { 2642 break; 2643 } 2644 if ( (find = Expr.find[ type ]) ) { 2645 // Search, expanding context for leading sibling combinators 2646 if ( (seed = find( 2647 token.matches[0].replace( runescape, funescape ), 2648 rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context 2649 )) ) { 2650 2651 // If seed is empty or no tokens remain, we can return early 2652 tokens.splice( i, 1 ); 2653 selector = seed.length && toSelector( tokens ); 2654 if ( !selector ) { 2655 push.apply( results, seed ); 2656 return results; 2657 } 2658 2659 break; 2660 } 2661 } 2662 } 2663 } 2664 2665 // Compile and execute a filtering function if one is not provided 2666 // Provide `match` to avoid retokenization if we modified the selector above 2667 ( compiled || compile( selector, match ) )( 2668 seed, 2669 context, 2670 !documentIsHTML, 2671 results, 2672 !context || rsibling.test( selector ) && testContext( context.parentNode ) || context 2673 ); 2674 return results; 2675 }; 2676 2677 // One-time assignments 2678 2679 // Sort stability 2680 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando; 2681 2682 // Support: Chrome 14-35+ 2683 // Always assume duplicates if they aren't passed to the comparison function 2684 support.detectDuplicates = !!hasDuplicate; 2685 2686 // Initialize against the default document 2687 setDocument(); 2688 2689 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) 2690 // Detached nodes confoundingly follow *each other* 2691 support.sortDetached = assert(function( el ) { 2692 // Should return 1, but returns 4 (following) 2693 return el.compareDocumentPosition( document.createElement("fieldset") ) & 1; 2694 }); 2695 2696 // Support: IE<8 2697 // Prevent attribute/property "interpolation" 2698 // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx 2699 if ( !assert(function( el ) { 2700 el.innerHTML = "<a href='#'></a>"; 2701 return el.firstChild.getAttribute("href") === "#" ; 2702 }) ) { 2703 addHandle( "type|href|height|width", function( elem, name, isXML ) { 2704 if ( !isXML ) { 2705 return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); 2706 } 2707 }); 2708 } 2709 2710 // Support: IE<9 2711 // Use defaultValue in place of getAttribute("value") 2712 if ( !support.attributes || !assert(function( el ) { 2713 el.innerHTML = "<input/>"; 2714 el.firstChild.setAttribute( "value", "" ); 2715 return el.firstChild.getAttribute( "value" ) === ""; 2716 }) ) { 2717 addHandle( "value", function( elem, name, isXML ) { 2718 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { 2719 return elem.defaultValue; 2720 } 2721 }); 2722 } 2723 2724 // Support: IE<9 2725 // Use getAttributeNode to fetch booleans when getAttribute lies 2726 if ( !assert(function( el ) { 2727 return el.getAttribute("disabled") == null; 2728 }) ) { 2729 addHandle( booleans, function( elem, name, isXML ) { 2730 var val; 2731 if ( !isXML ) { 2732 return elem[ name ] === true ? name.toLowerCase() : 2733 (val = elem.getAttributeNode( name )) && val.specified ? 2734 val.value : 2735 null; 2736 } 2737 }); 2738 } 2739 2740 return Sizzle; 2741 2742 })( window ); 2743 2744 2745 2746 jQuery.find = Sizzle; 2747 jQuery.expr = Sizzle.selectors; 2748 2749 // Deprecated 2750 jQuery.expr[ ":" ] = jQuery.expr.pseudos; 2751 jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort; 2752 jQuery.text = Sizzle.getText; 2753 jQuery.isXMLDoc = Sizzle.isXML; 2754 jQuery.contains = Sizzle.contains; 2755 jQuery.escapeSelector = Sizzle.escape; 2756 2757 2758 2759 2760 var dir = function( elem, dir, until ) { 2761 var matched = [], 2762 truncate = until !== undefined; 2763 2764 while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) { 2765 if ( elem.nodeType === 1 ) { 2766 if ( truncate && jQuery( elem ).is( until ) ) { 2767 break; 2768 } 2769 matched.push( elem ); 2770 } 2771 } 2772 return matched; 2773 }; 2774 2775 2776 var siblings = function( n, elem ) { 2777 var matched = []; 2778 2779 for ( ; n; n = n.nextSibling ) { 2780 if ( n.nodeType === 1 && n !== elem ) { 2781 matched.push( n ); 2782 } 2783 } 2784 2785 return matched; 2786 }; 2787 2788 2789 var rneedsContext = jQuery.expr.match.needsContext; 2790 2791 var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i ); 2792 2793 2794 2795 var risSimple = /^.[^:#\[\.,]*$/; 2796 2797 // Implement the identical functionality for filter and not 2798 function winnow( elements, qualifier, not ) { 2799 if ( jQuery.isFunction( qualifier ) ) { 2800 return jQuery.grep( elements, function( elem, i ) { 2801 return !!qualifier.call( elem, i, elem ) !== not; 2802 } ); 2803 2804 } 2805 2806 if ( qualifier.nodeType ) { 2807 return jQuery.grep( elements, function( elem ) { 2808 return ( elem === qualifier ) !== not; 2809 } ); 2810 2811 } 2812 2813 if ( typeof qualifier === "string" ) { 2814 if ( risSimple.test( qualifier ) ) { 2815 return jQuery.filter( qualifier, elements, not ); 2816 } 2817 2818 qualifier = jQuery.filter( qualifier, elements ); 2819 } 2820 2821 return jQuery.grep( elements, function( elem ) { 2822 return ( indexOf.call( qualifier, elem ) > -1 ) !== not && elem.nodeType === 1; 2823 } ); 2824 } 2825 2826 jQuery.filter = function( expr, elems, not ) { 2827 var elem = elems[ 0 ]; 2828 2829 if ( not ) { 2830 expr = ":not(" + expr + ")"; 2831 } 2832 2833 return elems.length === 1 && elem.nodeType === 1 ? 2834 jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] : 2835 jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { 2836 return elem.nodeType === 1; 2837 } ) ); 2838 }; 2839 2840 jQuery.fn.extend( { 2841 find: function( selector ) { 2842 var i, ret, 2843 len = this.length, 2844 self = this; 2845 2846 if ( typeof selector !== "string" ) { 2847 return this.pushStack( jQuery( selector ).filter( function() { 2848 for ( i = 0; i < len; i++ ) { 2849 if ( jQuery.contains( self[ i ], this ) ) { 2850 return true; 2851 } 2852 } 2853 } ) ); 2854 } 2855 2856 ret = this.pushStack( [] ); 2857 2858 for ( i = 0; i < len; i++ ) { 2859 jQuery.find( selector, self[ i ], ret ); 2860 } 2861 2862 return len > 1 ? jQuery.uniqueSort( ret ) : ret; 2863 }, 2864 filter: function( selector ) { 2865 return this.pushStack( winnow( this, selector || [], false ) ); 2866 }, 2867 not: function( selector ) { 2868 return this.pushStack( winnow( this, selector || [], true ) ); 2869 }, 2870 is: function( selector ) { 2871 return !!winnow( 2872 this, 2873 2874 // If this is a positional/relative selector, check membership in the returned set 2875 // so $("p:first").is("p:last") won't return true for a doc with two "p". 2876 typeof selector === "string" && rneedsContext.test( selector ) ? 2877 jQuery( selector ) : 2878 selector || [], 2879 false 2880 ).length; 2881 } 2882 } ); 2883 2884 2885 // Initialize a jQuery object 2886 2887 2888 // A central reference to the root jQuery(document) 2889 var rootjQuery, 2890 2891 // A simple way to check for HTML strings 2892 // Prioritize #id over <tag> to avoid XSS via location.hash (#9521) 2893 // Strict HTML recognition (#11290: must start with <) 2894 // Shortcut simple #id case for speed 2895 rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/, 2896 2897 init = jQuery.fn.init = function( selector, context, root ) { 2898 var match, elem; 2899 2900 // HANDLE: $(""), $(null), $(undefined), $(false) 2901 if ( !selector ) { 2902 return this; 2903 } 2904 2905 // Method init() accepts an alternate rootjQuery 2906 // so migrate can support jQuery.sub (gh-2101) 2907 root = root || rootjQuery; 2908 2909 // Handle HTML strings 2910 if ( typeof selector === "string" ) { 2911 if ( selector[ 0 ] === "<" && 2912 selector[ selector.length - 1 ] === ">" && 2913 selector.length >= 3 ) { 2914 2915 // Assume that strings that start and end with <> are HTML and skip the regex check 2916 match = [ null, selector, null ]; 2917 2918 } else { 2919 match = rquickExpr.exec( selector ); 2920 } 2921 2922 // Match html or make sure no context is specified for #id 2923 if ( match && ( match[ 1 ] || !context ) ) { 2924 2925 // HANDLE: $(html) -> $(array) 2926 if ( match[ 1 ] ) { 2927 context = context instanceof jQuery ? context[ 0 ] : context; 2928 2929 // Option to run scripts is true for back-compat 2930 // Intentionally let the error be thrown if parseHTML is not present 2931 jQuery.merge( this, jQuery.parseHTML( 2932 match[ 1 ], 2933 context && context.nodeType ? context.ownerDocument || context : document, 2934 true 2935 ) ); 2936 2937 // HANDLE: $(html, props) 2938 if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) { 2939 for ( match in context ) { 2940 2941 // Properties of context are called as methods if possible 2942 if ( jQuery.isFunction( this[ match ] ) ) { 2943 this[ match ]( context[ match ] ); 2944 2945 // ...and otherwise set as attributes 2946 } else { 2947 this.attr( match, context[ match ] ); 2948 } 2949 } 2950 } 2951 2952 return this; 2953 2954 // HANDLE: $(#id) 2955 } else { 2956 elem = document.getElementById( match[ 2 ] ); 2957 2958 if ( elem ) { 2959 2960 // Inject the element directly into the jQuery object 2961 this[ 0 ] = elem; 2962 this.length = 1; 2963 } 2964 return this; 2965 } 2966 2967 // HANDLE: $(expr, $(...)) 2968 } else if ( !context || context.jquery ) { 2969 return ( context || root ).find( selector ); 2970 2971 // HANDLE: $(expr, context) 2972 // (which is just equivalent to: $(context).find(expr) 2973 } else { 2974 return this.constructor( context ).find( selector ); 2975 } 2976 2977 // HANDLE: $(DOMElement) 2978 } else if ( selector.nodeType ) { 2979 this[ 0 ] = selector; 2980 this.length = 1; 2981 return this; 2982 2983 // HANDLE: $(function) 2984 // Shortcut for document ready 2985 } else if ( jQuery.isFunction( selector ) ) { 2986 return root.ready !== undefined ? 2987 root.ready( selector ) : 2988 2989 // Execute immediately if ready is not present 2990 selector( jQuery ); 2991 } 2992 2993 return jQuery.makeArray( selector, this ); 2994 }; 2995 2996 // Give the init function the jQuery prototype for later instantiation 2997 init.prototype = jQuery.fn; 2998 2999 // Initialize central reference 3000 rootjQuery = jQuery( document ); 3001 3002 3003 var rparentsprev = /^(?:parents|prev(?:Until|All))/, 3004 3005 // Methods guaranteed to produce a unique set when starting from a unique set 3006 guaranteedUnique = { 3007 children: true, 3008 contents: true, 3009 next: true, 3010 prev: true 3011 }; 3012 3013 jQuery.fn.extend( { 3014 has: function( target ) { 3015 var targets = jQuery( target, this ), 3016 l = targets.length; 3017 3018 return this.filter( function() { 3019 var i = 0; 3020 for ( ; i < l; i++ ) { 3021 if ( jQuery.contains( this, targets[ i ] ) ) { 3022 return true; 3023 } 3024 } 3025 } ); 3026 }, 3027 3028 closest: function( selectors, context ) { 3029 var cur, 3030 i = 0, 3031 l = this.length, 3032 matched = [], 3033 targets = typeof selectors !== "string" && jQuery( selectors ); 3034 3035 // Positional selectors never match, since there's no _selection_ context 3036 if ( !rneedsContext.test( selectors ) ) { 3037 for ( ; i < l; i++ ) { 3038 for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) { 3039 3040 // Always skip document fragments 3041 if ( cur.nodeType < 11 && ( targets ? 3042 targets.index( cur ) > -1 : 3043 3044 // Don't pass non-elements to Sizzle 3045 cur.nodeType === 1 && 3046 jQuery.find.matchesSelector( cur, selectors ) ) ) { 3047 3048 matched.push( cur ); 3049 break; 3050 } 3051 } 3052 } 3053 } 3054 3055 return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched ); 3056 }, 3057 3058 // Determine the position of an element within the set 3059 index: function( elem ) { 3060 3061 // No argument, return index in parent 3062 if ( !elem ) { 3063 return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; 3064 } 3065 3066 // Index in selector 3067 if ( typeof elem === "string" ) { 3068 return indexOf.call( jQuery( elem ), this[ 0 ] ); 3069 } 3070 3071 // Locate the position of the desired element 3072 return indexOf.call( this, 3073 3074 // If it receives a jQuery object, the first element is used 3075 elem.jquery ? elem[ 0 ] : elem 3076 ); 3077 }, 3078 3079 add: function( selector, context ) { 3080 return this.pushStack( 3081 jQuery.uniqueSort( 3082 jQuery.merge( this.get(), jQuery( selector, context ) ) 3083 ) 3084 ); 3085 }, 3086 3087 addBack: function( selector ) { 3088 return this.add( selector == null ? 3089 this.prevObject : this.prevObject.filter( selector ) 3090 ); 3091 } 3092 } ); 3093 3094 function sibling( cur, dir ) { 3095 while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {} 3096 return cur; 3097 } 3098 3099 jQuery.each( { 3100 parent: function( elem ) { 3101 var parent = elem.parentNode; 3102 return parent && parent.nodeType !== 11 ? parent : null; 3103 }, 3104 parents: function( elem ) { 3105 return dir( elem, "parentNode" ); 3106 }, 3107 parentsUntil: function( elem, i, until ) { 3108 return dir( elem, "parentNode", until ); 3109 }, 3110 next: function( elem ) { 3111 return sibling( elem, "nextSibling" ); 3112 }, 3113 prev: function( elem ) { 3114 return sibling( elem, "previousSibling" ); 3115 }, 3116 nextAll: function( elem ) { 3117 return dir( elem, "nextSibling" ); 3118 }, 3119 prevAll: function( elem ) { 3120 return dir( elem, "previousSibling" ); 3121 }, 3122 nextUntil: function( elem, i, until ) { 3123 return dir( elem, "nextSibling", until ); 3124 }, 3125 prevUntil: function( elem, i, until ) { 3126 return dir( elem, "previousSibling", until ); 3127 }, 3128 siblings: function( elem ) { 3129 return siblings( ( elem.parentNode || {} ).firstChild, elem ); 3130 }, 3131 children: function( elem ) { 3132 return siblings( elem.firstChild ); 3133 }, 3134 contents: function( elem ) { 3135 return elem.contentDocument || jQuery.merge( [], elem.childNodes ); 3136 } 3137 }, function( name, fn ) { 3138 jQuery.fn[ name ] = function( until, selector ) { 3139 var matched = jQuery.map( this, fn, until ); 3140 3141 if ( name.slice( -5 ) !== "Until" ) { 3142 selector = until; 3143 } 3144 3145 if ( selector && typeof selector === "string" ) { 3146 matched = jQuery.filter( selector, matched ); 3147 } 3148 3149 if ( this.length > 1 ) { 3150 3151 // Remove duplicates 3152 if ( !guaranteedUnique[ name ] ) { 3153 jQuery.uniqueSort( matched ); 3154 } 3155 3156 // Reverse order for parents* and prev-derivatives 3157 if ( rparentsprev.test( name ) ) { 3158 matched.reverse(); 3159 } 3160 } 3161 3162 return this.pushStack( matched ); 3163 }; 3164 } ); 3165 var rnotwhite = ( /\S+/g ); 3166 3167 3168 3169 // Convert String-formatted options into Object-formatted ones 3170 function createOptions( options ) { 3171 var object = {}; 3172 jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) { 3173 object[ flag ] = true; 3174 } ); 3175 return object; 3176 } 3177 3178 /* 3179 * Create a callback list using the following parameters: 3180 * 3181 * options: an optional list of space-separated options that will change how 3182 * the callback list behaves or a more traditional option object 3183 * 3184 * By default a callback list will act like an event callback list and can be 3185 * "fired" multiple times. 3186 * 3187 * Possible options: 3188 * 3189 * once: will ensure the callback list can only be fired once (like a Deferred) 3190 * 3191 * memory: will keep track of previous values and will call any callback added 3192 * after the list has been fired right away with the latest "memorized" 3193 * values (like a Deferred) 3194 * 3195 * unique: will ensure a callback can only be added once (no duplicate in the list) 3196 * 3197 * stopOnFalse: interrupt callings when a callback returns false 3198 * 3199 */ 3200 jQuery.Callbacks = function( options ) { 3201 3202 // Convert options from String-formatted to Object-formatted if needed 3203 // (we check in cache first) 3204 options = typeof options === "string" ? 3205 createOptions( options ) : 3206 jQuery.extend( {}, options ); 3207 3208 var // Flag to know if list is currently firing 3209 firing, 3210 3211 // Last fire value for non-forgettable lists 3212 memory, 3213 3214 // Flag to know if list was already fired 3215 fired, 3216 3217 // Flag to prevent firing 3218 locked, 3219 3220 // Actual callback list 3221 list = [], 3222 3223 // Queue of execution data for repeatable lists 3224 queue = [], 3225 3226 // Index of currently firing callback (modified by add/remove as needed) 3227 firingIndex = -1, 3228 3229 // Fire callbacks 3230 fire = function() { 3231 3232 // Enforce single-firing 3233 locked = options.once; 3234 3235 // Execute callbacks for all pending executions, 3236 // respecting firingIndex overrides and runtime changes 3237 fired = firing = true; 3238 for ( ; queue.length; firingIndex = -1 ) { 3239 memory = queue.shift(); 3240 while ( ++firingIndex < list.length ) { 3241 3242 // Run callback and check for early termination 3243 if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false && 3244 options.stopOnFalse ) { 3245 3246 // Jump to end and forget the data so .add doesn't re-fire 3247 firingIndex = list.length; 3248 memory = false; 3249 } 3250 } 3251 } 3252 3253 // Forget the data if we're done with it 3254 if ( !options.memory ) { 3255 memory = false; 3256 } 3257 3258 firing = false; 3259 3260 // Clean up if we're done firing for good 3261 if ( locked ) { 3262 3263 // Keep an empty list if we have data for future add calls 3264 if ( memory ) { 3265 list = []; 3266 3267 // Otherwise, this object is spent 3268 } else { 3269 list = ""; 3270 } 3271 } 3272 }, 3273 3274 // Actual Callbacks object 3275 self = { 3276 3277 // Add a callback or a collection of callbacks to the list 3278 add: function() { 3279 if ( list ) { 3280 3281 // If we have memory from a past run, we should fire after adding 3282 if ( memory && !firing ) { 3283 firingIndex = list.length - 1; 3284 queue.push( memory ); 3285 } 3286 3287 ( function add( args ) { 3288 jQuery.each( args, function( _, arg ) { 3289 if ( jQuery.isFunction( arg ) ) { 3290 if ( !options.unique || !self.has( arg ) ) { 3291 list.push( arg ); 3292 } 3293 } else if ( arg && arg.length && jQuery.type( arg ) !== "string" ) { 3294 3295 // Inspect recursively 3296 add( arg ); 3297 } 3298 } ); 3299 } )( arguments ); 3300 3301 if ( memory && !firing ) { 3302 fire(); 3303 } 3304 } 3305 return this; 3306 }, 3307 3308 // Remove a callback from the list 3309 remove: function() { 3310 jQuery.each( arguments, function( _, arg ) { 3311 var index; 3312 while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { 3313 list.splice( index, 1 ); 3314 3315 // Handle firing indexes 3316 if ( index <= firingIndex ) { 3317 firingIndex--; 3318 } 3319 } 3320 } ); 3321 return this; 3322 }, 3323 3324 // Check if a given callback is in the list. 3325 // If no argument is given, return whether or not list has callbacks attached. 3326 has: function( fn ) { 3327 return fn ? 3328 jQuery.inArray( fn, list ) > -1 : 3329 list.length > 0; 3330 }, 3331 3332 // Remove all callbacks from the list 3333 empty: function() { 3334 if ( list ) { 3335 list = []; 3336 } 3337 return this; 3338 }, 3339 3340 // Disable .fire and .add 3341 // Abort any current/pending executions 3342 // Clear all callbacks and values 3343 disable: function() { 3344 locked = queue = []; 3345 list = memory = ""; 3346 return this; 3347 }, 3348 disabled: function() { 3349 return !list; 3350 }, 3351 3352 // Disable .fire 3353 // Also disable .add unless we have memory (since it would have no effect) 3354 // Abort any pending executions 3355 lock: function() { 3356 locked = queue = []; 3357 if ( !memory && !firing ) { 3358 list = memory = ""; 3359 } 3360 return this; 3361 }, 3362 locked: function() { 3363 return !!locked; 3364 }, 3365 3366 // Call all callbacks with the given context and arguments 3367 fireWith: function( context, args ) { 3368 if ( !locked ) { 3369 args = args || []; 3370 args = [ context, args.slice ? args.slice() : args ]; 3371 queue.push( args ); 3372 if ( !firing ) { 3373 fire(); 3374 } 3375 } 3376 return this; 3377 }, 3378 3379 // Call all the callbacks with the given arguments 3380 fire: function() { 3381 self.fireWith( this, arguments ); 3382 return this; 3383 }, 3384 3385 // To know if the callbacks have already been called at least once 3386 fired: function() { 3387 return !!fired; 3388 } 3389 }; 3390 3391 return self; 3392 }; 3393 3394 3395 function Identity( v ) { 3396 return v; 3397 } 3398 function Thrower( ex ) { 3399 throw ex; 3400 } 3401 3402 function adoptValue( value, resolve, reject ) { 3403 var method; 3404 3405 try { 3406 3407 // Check for promise aspect first to privilege synchronous behavior 3408 if ( value && jQuery.isFunction( ( method = value.promise ) ) ) { 3409 method.call( value ).done( resolve ).fail( reject ); 3410 3411 // Other thenables 3412 } else if ( value && jQuery.isFunction( ( method = value.then ) ) ) { 3413 method.call( value, resolve, reject ); 3414 3415 // Other non-thenables 3416 } else { 3417 3418 // Support: Android 4.0 only 3419 // Strict mode functions invoked without .call/.apply get global-object context 3420 resolve.call( undefined, value ); 3421 } 3422 3423 // For Promises/A+, convert exceptions into rejections 3424 // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in 3425 // Deferred#then to conditionally suppress rejection. 3426 } catch ( value ) { 3427 3428 // Support: Android 4.0 only 3429 // Strict mode functions invoked without .call/.apply get global-object context 3430 reject.call( undefined, value ); 3431 } 3432 } 3433 3434 jQuery.extend( { 3435 3436 Deferred: function( func ) { 3437 var tuples = [ 3438 3439 // action, add listener, callbacks, 3440 // ... .then handlers, argument index, [final state] 3441 [ "notify", "progress", jQuery.Callbacks( "memory" ), 3442 jQuery.Callbacks( "memory" ), 2 ], 3443 [ "resolve", "done", jQuery.Callbacks( "once memory" ), 3444 jQuery.Callbacks( "once memory" ), 0, "resolved" ], 3445 [ "reject", "fail", jQuery.Callbacks( "once memory" ), 3446 jQuery.Callbacks( "once memory" ), 1, "rejected" ] 3447 ], 3448 state = "pending", 3449 promise = { 3450 state: function() { 3451 return state; 3452 }, 3453 always: function() { 3454 deferred.done( arguments ).fail( arguments ); 3455 return this; 3456 }, 3457 "catch": function( fn ) { 3458 return promise.then( null, fn ); 3459 }, 3460 3461 // Keep pipe for back-compat 3462 pipe: function( /* fnDone, fnFail, fnProgress */ ) { 3463 var fns = arguments; 3464 3465 return jQuery.Deferred( function( newDefer ) { 3466 jQuery.each( tuples, function( i, tuple ) { 3467 3468 // Map tuples (progress, done, fail) to arguments (done, fail, progress) 3469 var fn = jQuery.isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ]; 3470 3471 // deferred.progress(function() { bind to newDefer or newDefer.notify }) 3472 // deferred.done(function() { bind to newDefer or newDefer.resolve }) 3473 // deferred.fail(function() { bind to newDefer or newDefer.reject }) 3474 deferred[ tuple[ 1 ] ]( function() { 3475 var returned = fn && fn.apply( this, arguments ); 3476 if ( returned && jQuery.isFunction( returned.promise ) ) { 3477 returned.promise() 3478 .progress( newDefer.notify ) 3479 .done( newDefer.resolve ) 3480 .fail( newDefer.reject ); 3481 } else { 3482 newDefer[ tuple[ 0 ] + "With" ]( 3483 this, 3484 fn ? [ returned ] : arguments 3485 ); 3486 } 3487 } ); 3488 } ); 3489 fns = null; 3490 } ).promise(); 3491 }, 3492 then: function( onFulfilled, onRejected, onProgress ) { 3493 var maxDepth = 0; 3494 function resolve( depth, deferred, handler, special ) { 3495 return function() { 3496 var that = this, 3497 args = arguments, 3498 mightThrow = function() { 3499 var returned, then; 3500 3501 // Support: Promises/A+ section 2.3.3.3.3 3502 // https://promisesaplus.com/#point-59 3503 // Ignore double-resolution attempts 3504 if ( depth < maxDepth ) { 3505 return; 3506 } 3507 3508 returned = handler.apply( that, args ); 3509 3510 // Support: Promises/A+ section 2.3.1 3511 // https://promisesaplus.com/#point-48 3512 if ( returned === deferred.promise() ) { 3513 throw new TypeError( "Thenable self-resolution" ); 3514 } 3515 3516 // Support: Promises/A+ sections 2.3.3.1, 3.5 3517 // https://promisesaplus.com/#point-54 3518 // https://promisesaplus.com/#point-75 3519 // Retrieve `then` only once 3520 then = returned && 3521 3522 // Support: Promises/A+ section 2.3.4 3523 // https://promisesaplus.com/#point-64 3524 // Only check objects and functions for thenability 3525 ( typeof returned === "object" || 3526 typeof returned === "function" ) && 3527 returned.then; 3528 3529 // Handle a returned thenable 3530 if ( jQuery.isFunction( then ) ) { 3531 3532 // Special processors (notify) just wait for resolution 3533 if ( special ) { 3534 then.call( 3535 returned, 3536 resolve( maxDepth, deferred, Identity, special ), 3537 resolve( maxDepth, deferred, Thrower, special ) 3538 ); 3539 3540 // Normal processors (resolve) also hook into progress 3541 } else { 3542 3543 // ...and disregard older resolution values 3544 maxDepth++; 3545 3546 then.call( 3547 returned, 3548 resolve( maxDepth, deferred, Identity, special ), 3549 resolve( maxDepth, deferred, Thrower, special ), 3550 resolve( maxDepth, deferred, Identity, 3551 deferred.notifyWith ) 3552 ); 3553 } 3554 3555 // Handle all other returned values 3556 } else { 3557 3558 // Only substitute handlers pass on context 3559 // and multiple values (non-spec behavior) 3560 if ( handler !== Identity ) { 3561 that = undefined; 3562 args = [ returned ]; 3563 } 3564 3565 // Process the value(s) 3566 // Default process is resolve 3567 ( special || deferred.resolveWith )( that, args ); 3568 } 3569 }, 3570 3571 // Only normal processors (resolve) catch and reject exceptions 3572 process = special ? 3573 mightThrow : 3574 function() { 3575 try { 3576 mightThrow(); 3577 } catch ( e ) { 3578 3579 if ( jQuery.Deferred.exceptionHook ) { 3580 jQuery.Deferred.exceptionHook( e, 3581 process.stackTrace ); 3582 } 3583 3584 // Support: Promises/A+ section 2.3.3.3.4.1 3585 // https://promisesaplus.com/#point-61 3586 // Ignore post-resolution exceptions 3587 if ( depth + 1 >= maxDepth ) { 3588 3589 // Only substitute handlers pass on context 3590 // and multiple values (non-spec behavior) 3591 if ( handler !== Thrower ) { 3592 that = undefined; 3593 args = [ e ]; 3594 } 3595 3596 deferred.rejectWith( that, args ); 3597 } 3598 } 3599 }; 3600 3601 // Support: Promises/A+ section 2.3.3.3.1 3602 // https://promisesaplus.com/#point-57 3603 // Re-resolve promises immediately to dodge false rejection from 3604 // subsequent errors 3605 if ( depth ) { 3606 process(); 3607 } else { 3608 3609 // Call an optional hook to record the stack, in case of exception 3610 // since it's otherwise lost when execution goes async 3611 if ( jQuery.Deferred.getStackHook ) { 3612 process.stackTrace = jQuery.Deferred.getStackHook(); 3613 } 3614 window.setTimeout( process ); 3615 } 3616 }; 3617 } 3618 3619 return jQuery.Deferred( function( newDefer ) { 3620 3621 // progress_handlers.add( ... ) 3622 tuples[ 0 ][ 3 ].add( 3623 resolve( 3624 0, 3625 newDefer, 3626 jQuery.isFunction( onProgress ) ? 3627 onProgress : 3628 Identity, 3629 newDefer.notifyWith 3630 ) 3631 ); 3632 3633 // fulfilled_handlers.add( ... ) 3634 tuples[ 1 ][ 3 ].add( 3635 resolve( 3636 0, 3637 newDefer, 3638 jQuery.isFunction( onFulfilled ) ? 3639 onFulfilled : 3640 Identity 3641 ) 3642 ); 3643 3644 // rejected_handlers.add( ... ) 3645 tuples[ 2 ][ 3 ].add( 3646 resolve( 3647 0, 3648 newDefer, 3649 jQuery.isFunction( onRejected ) ? 3650 onRejected : 3651 Thrower 3652 ) 3653 ); 3654 } ).promise(); 3655 }, 3656 3657 // Get a promise for this deferred 3658 // If obj is provided, the promise aspect is added to the object 3659 promise: function( obj ) { 3660 return obj != null ? jQuery.extend( obj, promise ) : promise; 3661 } 3662 }, 3663 deferred = {}; 3664 3665 // Add list-specific methods 3666 jQuery.each( tuples, function( i, tuple ) { 3667 var list = tuple[ 2 ], 3668 stateString = tuple[ 5 ]; 3669 3670 // promise.progress = list.add 3671 // promise.done = list.add 3672 // promise.fail = list.add 3673 promise[ tuple[ 1 ] ] = list.add; 3674 3675 // Handle state 3676 if ( stateString ) { 3677 list.add( 3678 function() { 3679 3680 // state = "resolved" (i.e., fulfilled) 3681 // state = "rejected" 3682 state = stateString; 3683 }, 3684 3685 // rejected_callbacks.disable 3686 // fulfilled_callbacks.disable 3687 tuples[ 3 - i ][ 2 ].disable, 3688 3689 // progress_callbacks.lock 3690 tuples[ 0 ][ 2 ].lock 3691 ); 3692 } 3693 3694 // progress_handlers.fire 3695 // fulfilled_handlers.fire 3696 // rejected_handlers.fire 3697 list.add( tuple[ 3 ].fire ); 3698 3699 // deferred.notify = function() { deferred.notifyWith(...) } 3700 // deferred.resolve = function() { deferred.resolveWith(...) } 3701 // deferred.reject = function() { deferred.rejectWith(...) } 3702 deferred[ tuple[ 0 ] ] = function() { 3703 deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments ); 3704 return this; 3705 }; 3706 3707 // deferred.notifyWith = list.fireWith 3708 // deferred.resolveWith = list.fireWith 3709 // deferred.rejectWith = list.fireWith 3710 deferred[ tuple[ 0 ] + "With" ] = list.fireWith; 3711 } ); 3712 3713 // Make the deferred a promise 3714 promise.promise( deferred ); 3715 3716 // Call given func if any 3717 if ( func ) { 3718 func.call( deferred, deferred ); 3719 } 3720 3721 // All done! 3722 return deferred; 3723 }, 3724 3725 // Deferred helper 3726 when: function( singleValue ) { 3727 var 3728 3729 // count of uncompleted subordinates 3730 remaining = arguments.length, 3731 3732 // count of unprocessed arguments 3733 i = remaining, 3734 3735 // subordinate fulfillment data 3736 resolveContexts = Array( i ), 3737 resolveValues = slice.call( arguments ), 3738 3739 // the master Deferred 3740 master = jQuery.Deferred(), 3741 3742 // subordinate callback factory 3743 updateFunc = function( i ) { 3744 return function( value ) { 3745 resolveContexts[ i ] = this; 3746 resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; 3747 if ( !( --remaining ) ) { 3748 master.resolveWith( resolveContexts, resolveValues ); 3749 } 3750 }; 3751 }; 3752 3753 // Single- and empty arguments are adopted like Promise.resolve 3754 if ( remaining <= 1 ) { 3755 adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject ); 3756 3757 // Use .then() to unwrap secondary thenables (cf. gh-3000) 3758 if ( master.state() === "pending" || 3759 jQuery.isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) { 3760 3761 return master.then(); 3762 } 3763 } 3764 3765 // Multiple arguments are aggregated like Promise.all array elements 3766 while ( i-- ) { 3767 adoptValue( resolveValues[ i ], updateFunc( i ), master.reject ); 3768 } 3769 3770 return master.promise(); 3771 } 3772 } ); 3773 3774 3775 // These usually indicate a programmer mistake during development, 3776 // warn about them ASAP rather than swallowing them by default. 3777 var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/; 3778 3779 jQuery.Deferred.exceptionHook = function( error, stack ) { 3780 3781 // Support: IE 8 - 9 only 3782 // Console exists when dev tools are open, which can happen at any time 3783 if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) { 3784 window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack ); 3785 } 3786 }; 3787 3788 3789 3790 3791 jQuery.readyException = function( error ) { 3792 window.setTimeout( function() { 3793 throw error; 3794 } ); 3795 }; 3796 3797 3798 3799 3800 // The deferred used on DOM ready 3801 var readyList = jQuery.Deferred(); 3802 3803 jQuery.fn.ready = function( fn ) { 3804 3805 readyList 3806 .then( fn ) 3807 3808 // Wrap jQuery.readyException in a function so that the lookup 3809 // happens at the time of error handling instead of callback 3810 // registration. 3811 .catch( function( error ) { 3812 jQuery.readyException( error ); 3813 } ); 3814 3815 return this; 3816 }; 3817 3818 jQuery.extend( { 3819 3820 // Is the DOM ready to be used? Set to true once it occurs. 3821 isReady: false, 3822 3823 // A counter to track how many items to wait for before 3824 // the ready event fires. See #6781 3825 readyWait: 1, 3826 3827 // Hold (or release) the ready event 3828 holdReady: function( hold ) { 3829 if ( hold ) { 3830 jQuery.readyWait++; 3831 } else { 3832 jQuery.ready( true ); 3833 } 3834 }, 3835 3836 // Handle when the DOM is ready 3837 ready: function( wait ) { 3838 3839 // Abort if there are pending holds or we're already ready 3840 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { 3841 return; 3842 } 3843 3844 // Remember that the DOM is ready 3845 jQuery.isReady = true; 3846 3847 // If a normal DOM Ready event fired, decrement, and wait if need be 3848 if ( wait !== true && --jQuery.readyWait > 0 ) { 3849 return; 3850 } 3851 3852 // If there are functions bound, to execute 3853 readyList.resolveWith( document, [ jQuery ] ); 3854 } 3855 } ); 3856 3857 jQuery.ready.then = readyList.then; 3858 3859 // The ready event handler and self cleanup method 3860 function completed() { 3861 document.removeEventListener( "DOMContentLoaded", completed ); 3862 window.removeEventListener( "load", completed ); 3863 jQuery.ready(); 3864 } 3865 3866 // Catch cases where $(document).ready() is called 3867 // after the browser event has already occurred. 3868 // Support: IE <=9 - 10 only 3869 // Older IE sometimes signals "interactive" too soon 3870 if ( document.readyState === "complete" || 3871 ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) { 3872 3873 // Handle it asynchronously to allow scripts the opportunity to delay ready 3874 window.setTimeout( jQuery.ready ); 3875 3876 } else { 3877 3878 // Use the handy event callback 3879 document.addEventListener( "DOMContentLoaded", completed ); 3880 3881 // A fallback to window.onload, that will always work 3882 window.addEventListener( "load", completed ); 3883 } 3884 3885 3886 3887 3888 // Multifunctional method to get and set values of a collection 3889 // The value/s can optionally be executed if it's a function 3890 var access = function( elems, fn, key, value, chainable, emptyGet, raw ) { 3891 var i = 0, 3892 len = elems.length, 3893 bulk = key == null; 3894 3895 // Sets many values 3896 if ( jQuery.type( key ) === "object" ) { 3897 chainable = true; 3898 for ( i in key ) { 3899 access( elems, fn, i, key[ i ], true, emptyGet, raw ); 3900 } 3901 3902 // Sets one value 3903 } else if ( value !== undefined ) { 3904 chainable = true; 3905 3906 if ( !jQuery.isFunction( value ) ) { 3907 raw = true; 3908 } 3909 3910 if ( bulk ) { 3911 3912 // Bulk operations run against the entire set 3913 if ( raw ) { 3914 fn.call( elems, value ); 3915 fn = null; 3916 3917 // ...except when executing function values 3918 } else { 3919 bulk = fn; 3920 fn = function( elem, key, value ) { 3921 return bulk.call( jQuery( elem ), value ); 3922 }; 3923 } 3924 } 3925 3926 if ( fn ) { 3927 for ( ; i < len; i++ ) { 3928 fn( 3929 elems[ i ], key, raw ? 3930 value : 3931 value.call( elems[ i ], i, fn( elems[ i ], key ) ) 3932 ); 3933 } 3934 } 3935 } 3936 3937 return chainable ? 3938 elems : 3939 3940 // Gets 3941 bulk ? 3942 fn.call( elems ) : 3943 len ? fn( elems[ 0 ], key ) : emptyGet; 3944 }; 3945 var acceptData = function( owner ) { 3946 3947 // Accepts only: 3948 // - Node 3949 // - Node.ELEMENT_NODE 3950 // - Node.DOCUMENT_NODE 3951 // - Object 3952 // - Any 3953 return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); 3954 }; 3955 3956 3957 3958 3959 function Data() { 3960 this.expando = jQuery.expando + Data.uid++; 3961 } 3962 3963 Data.uid = 1; 3964 3965 Data.prototype = { 3966 3967 cache: function( owner ) { 3968 3969 // Check if the owner object already has a cache 3970 var value = owner[ this.expando ]; 3971 3972 // If not, create one 3973 if ( !value ) { 3974 value = {}; 3975 3976 // We can accept data for non-element nodes in modern browsers, 3977 // but we should not, see #8335. 3978 // Always return an empty object. 3979 if ( acceptData( owner ) ) { 3980 3981 // If it is a node unlikely to be stringify-ed or looped over 3982 // use plain assignment 3983 if ( owner.nodeType ) { 3984 owner[ this.expando ] = value; 3985 3986 // Otherwise secure it in a non-enumerable property 3987 // configurable must be true to allow the property to be 3988 // deleted when data is removed 3989 } else { 3990 Object.defineProperty( owner, this.expando, { 3991 value: value, 3992 configurable: true 3993 } ); 3994 } 3995 } 3996 } 3997 3998 return value; 3999 }, 4000 set: function( owner, data, value ) { 4001 var prop, 4002 cache = this.cache( owner ); 4003 4004 // Handle: [ owner, key, value ] args 4005 // Always use camelCase key (gh-2257) 4006 if ( typeof data === "string" ) { 4007 cache[ jQuery.camelCase( data ) ] = value; 4008 4009 // Handle: [ owner, { properties } ] args 4010 } else { 4011 4012 // Copy the properties one-by-one to the cache object 4013 for ( prop in data ) { 4014 cache[ jQuery.camelCase( prop ) ] = data[ prop ]; 4015 } 4016 } 4017 return cache; 4018 }, 4019 get: function( owner, key ) { 4020 return key === undefined ? 4021 this.cache( owner ) : 4022 4023 // Always use camelCase key (gh-2257) 4024 owner[ this.expando ] && owner[ this.expando ][ jQuery.camelCase( key ) ]; 4025 }, 4026 access: function( owner, key, value ) { 4027 4028 // In cases where either: 4029 // 4030 // 1. No key was specified 4031 // 2. A string key was specified, but no value provided 4032 // 4033 // Take the "read" path and allow the get method to determine 4034 // which value to return, respectively either: 4035 // 4036 // 1. The entire cache object 4037 // 2. The data stored at the key 4038 // 4039 if ( key === undefined || 4040 ( ( key && typeof key === "string" ) && value === undefined ) ) { 4041 4042 return this.get( owner, key ); 4043 } 4044 4045 // When the key is not a string, or both a key and value 4046 // are specified, set or extend (existing objects) with either: 4047 // 4048 // 1. An object of properties 4049 // 2. A key and value 4050 // 4051 this.set( owner, key, value ); 4052 4053 // Since the "set" path can have two possible entry points 4054 // return the expected data based on which path was taken[*] 4055 return value !== undefined ? value : key; 4056 }, 4057 remove: function( owner, key ) { 4058 var i, 4059 cache = owner[ this.expando ]; 4060 4061 if ( cache === undefined ) { 4062 return; 4063 } 4064 4065 if ( key !== undefined ) { 4066 4067 // Support array or space separated string of keys 4068 if ( jQuery.isArray( key ) ) { 4069 4070 // If key is an array of keys... 4071 // We always set camelCase keys, so remove that. 4072 key = key.map( jQuery.camelCase ); 4073 } else { 4074 key = jQuery.camelCase( key ); 4075 4076 // If a key with the spaces exists, use it. 4077 // Otherwise, create an array by matching non-whitespace 4078 key = key in cache ? 4079 [ key ] : 4080 ( key.match( rnotwhite ) || [] ); 4081 } 4082 4083 i = key.length; 4084 4085 while ( i-- ) { 4086 delete cache[ key[ i ] ]; 4087 } 4088 } 4089 4090 // Remove the expando if there's no more data 4091 if ( key === undefined || jQuery.isEmptyObject( cache ) ) { 4092 4093 // Support: Chrome <=35 - 45 4094 // Webkit & Blink performance suffers when deleting properties 4095 // from DOM nodes, so set to undefined instead 4096 // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted) 4097 if ( owner.nodeType ) { 4098 owner[ this.expando ] = undefined; 4099 } else { 4100 delete owner[ this.expando ]; 4101 } 4102 } 4103 }, 4104 hasData: function( owner ) { 4105 var cache = owner[ this.expando ]; 4106 return cache !== undefined && !jQuery.isEmptyObject( cache ); 4107 } 4108 }; 4109 var dataPriv = new Data(); 4110 4111 var dataUser = new Data(); 4112 4113 4114 4115 // Implementation Summary 4116 // 4117 // 1. Enforce API surface and semantic compatibility with 1.9.x branch 4118 // 2. Improve the module's maintainability by reducing the storage 4119 // paths to a single mechanism. 4120 // 3. Use the same single mechanism to support "private" and "user" data. 4121 // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) 4122 // 5. Avoid exposing implementation details on user objects (eg. expando properties) 4123 // 6. Provide a clear path for implementation upgrade to WeakMap in 2014 4124 4125 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, 4126 rmultiDash = /[A-Z]/g; 4127 4128 function dataAttr( elem, key, data ) { 4129 var name; 4130 4131 // If nothing was found internally, try to fetch any 4132 // data from the HTML5 data-* attribute 4133 if ( data === undefined && elem.nodeType === 1 ) { 4134 name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase(); 4135 data = elem.getAttribute( name ); 4136 4137 if ( typeof data === "string" ) { 4138 try { 4139 data = data === "true" ? true : 4140 data === "false" ? false : 4141 data === "null" ? null : 4142 4143 // Only convert to a number if it doesn't change the string 4144 +data + "" === data ? +data : 4145 rbrace.test( data ) ? JSON.parse( data ) : 4146 data; 4147 } catch ( e ) {} 4148 4149 // Make sure we set the data so it isn't changed later 4150 dataUser.set( elem, key, data ); 4151 } else { 4152 data = undefined; 4153 } 4154 } 4155 return data; 4156 } 4157 4158 jQuery.extend( { 4159 hasData: function( elem ) { 4160 return dataUser.hasData( elem ) || dataPriv.hasData( elem ); 4161 }, 4162 4163 data: function( elem, name, data ) { 4164 return dataUser.access( elem, name, data ); 4165 }, 4166 4167 removeData: function( elem, name ) { 4168 dataUser.remove( elem, name ); 4169 }, 4170 4171 // TODO: Now that all calls to _data and _removeData have been replaced 4172 // with direct calls to dataPriv methods, these can be deprecated. 4173 _data: function( elem, name, data ) { 4174 return dataPriv.access( elem, name, data ); 4175 }, 4176 4177 _removeData: function( elem, name ) { 4178 dataPriv.remove( elem, name ); 4179 } 4180 } ); 4181 4182 jQuery.fn.extend( { 4183 data: function( key, value ) { 4184 var i, name, data, 4185 elem = this[ 0 ], 4186 attrs = elem && elem.attributes; 4187 4188 // Gets all values 4189 if ( key === undefined ) { 4190 if ( this.length ) { 4191 data = dataUser.get( elem ); 4192 4193 if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) { 4194 i = attrs.length; 4195 while ( i-- ) { 4196 4197 // Support: IE 11 only 4198 // The attrs elements can be null (#14894) 4199 if ( attrs[ i ] ) { 4200 name = attrs[ i ].name; 4201 if ( name.indexOf( "data-" ) === 0 ) { 4202 name = jQuery.camelCase( name.slice( 5 ) ); 4203 dataAttr( elem, name, data[ name ] ); 4204 } 4205 } 4206 } 4207 dataPriv.set( elem, "hasDataAttrs", true ); 4208 } 4209 } 4210 4211 return data; 4212 } 4213 4214 // Sets multiple values 4215 if ( typeof key === "object" ) { 4216 return this.each( function() { 4217 dataUser.set( this, key ); 4218 } ); 4219 } 4220 4221 return access( this, function( value ) { 4222 var data; 4223 4224 // The calling jQuery object (element matches) is not empty 4225 // (and therefore has an element appears at this[ 0 ]) and the 4226 // `value` parameter was not undefined. An empty jQuery object 4227 // will result in `undefined` for elem = this[ 0 ] which will 4228 // throw an exception if an attempt to read a data cache is made. 4229 if ( elem && value === undefined ) { 4230 4231 // Attempt to get data from the cache 4232 // The key will always be camelCased in Data 4233 data = dataUser.get( elem, key ); 4234 if ( data !== undefined ) { 4235 return data; 4236 } 4237 4238 // Attempt to "discover" the data in 4239 // HTML5 custom data-* attrs 4240 data = dataAttr( elem, key ); 4241 if ( data !== undefined ) { 4242 return data; 4243 } 4244 4245 // We tried really hard, but the data doesn't exist. 4246 return; 4247 } 4248 4249 // Set the data... 4250 this.each( function() { 4251 4252 // We always store the camelCased key 4253 dataUser.set( this, key, value ); 4254 } ); 4255 }, null, value, arguments.length > 1, null, true ); 4256 }, 4257 4258 removeData: function( key ) { 4259 return this.each( function() { 4260 dataUser.remove( this, key ); 4261 } ); 4262 } 4263 } ); 4264 4265 4266 jQuery.extend( { 4267 queue: function( elem, type, data ) { 4268 var queue; 4269 4270 if ( elem ) { 4271 type = ( type || "fx" ) + "queue"; 4272 queue = dataPriv.get( elem, type ); 4273 4274 // Speed up dequeue by getting out quickly if this is just a lookup 4275 if ( data ) { 4276 if ( !queue || jQuery.isArray( data ) ) { 4277 queue = dataPriv.access( elem, type, jQuery.makeArray( data ) ); 4278 } else { 4279 queue.push( data ); 4280 } 4281 } 4282 return queue || []; 4283 } 4284 }, 4285 4286 dequeue: function( elem, type ) { 4287 type = type || "fx"; 4288 4289 var queue = jQuery.queue( elem, type ), 4290 startLength = queue.length, 4291 fn = queue.shift(), 4292 hooks = jQuery._queueHooks( elem, type ), 4293 next = function() { 4294 jQuery.dequeue( elem, type ); 4295 }; 4296 4297 // If the fx queue is dequeued, always remove the progress sentinel 4298 if ( fn === "inprogress" ) { 4299 fn = queue.shift(); 4300 startLength--; 4301 } 4302 4303 if ( fn ) { 4304 4305 // Add a progress sentinel to prevent the fx queue from being 4306 // automatically dequeued 4307 if ( type === "fx" ) { 4308 queue.unshift( "inprogress" ); 4309 } 4310 4311 // Clear up the last queue stop function 4312 delete hooks.stop; 4313 fn.call( elem, next, hooks ); 4314 } 4315 4316 if ( !startLength && hooks ) { 4317 hooks.empty.fire(); 4318 } 4319 }, 4320 4321 // Not public - generate a queueHooks object, or return the current one 4322 _queueHooks: function( elem, type ) { 4323 var key = type + "queueHooks"; 4324 return dataPriv.get( elem, key ) || dataPriv.access( elem, key, { 4325 empty: jQuery.Callbacks( "once memory" ).add( function() { 4326 dataPriv.remove( elem, [ type + "queue", key ] ); 4327 } ) 4328 } ); 4329 } 4330 } ); 4331 4332 jQuery.fn.extend( { 4333 queue: function( type, data ) { 4334 var setter = 2; 4335 4336 if ( typeof type !== "string" ) { 4337 data = type; 4338 type = "fx"; 4339 setter--; 4340 } 4341 4342 if ( arguments.length < setter ) { 4343 return jQuery.queue( this[ 0 ], type ); 4344 } 4345 4346 return data === undefined ? 4347 this : 4348 this.each( function() { 4349 var queue = jQuery.queue( this, type, data ); 4350 4351 // Ensure a hooks for this queue 4352 jQuery._queueHooks( this, type ); 4353 4354 if ( type === "fx" && queue[ 0 ] !== "inprogress" ) { 4355 jQuery.dequeue( this, type ); 4356 } 4357 } ); 4358 }, 4359 dequeue: function( type ) { 4360 return this.each( function() { 4361 jQuery.dequeue( this, type ); 4362 } ); 4363 }, 4364 clearQueue: function( type ) { 4365 return this.queue( type || "fx", [] ); 4366 }, 4367 4368 // Get a promise resolved when queues of a certain type 4369 // are emptied (fx is the type by default) 4370 promise: function( type, obj ) { 4371 var tmp, 4372 count = 1, 4373 defer = jQuery.Deferred(), 4374 elements = this, 4375 i = this.length, 4376 resolve = function() { 4377 if ( !( --count ) ) { 4378 defer.resolveWith( elements, [ elements ] ); 4379 } 4380 }; 4381 4382 if ( typeof type !== "string" ) { 4383 obj = type; 4384 type = undefined; 4385 } 4386 type = type || "fx"; 4387 4388 while ( i-- ) { 4389 tmp = dataPriv.get( elements[ i ], type + "queueHooks" ); 4390 if ( tmp && tmp.empty ) { 4391 count++; 4392 tmp.empty.add( resolve ); 4393 } 4394 } 4395 resolve(); 4396 return defer.promise( obj ); 4397 } 4398 } ); 4399 var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source; 4400 4401 var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ); 4402 4403 4404 var cssExpand = [ "Top", "Right", "Bottom", "Left" ]; 4405 4406 var isHiddenWithinTree = function( elem, el ) { 4407 4408 // isHiddenWithinTree might be called from jQuery#filter function; 4409 // in that case, element will be second argument 4410 elem = el || elem; 4411 4412 // Inline style trumps all 4413 return elem.style.display === "none" || 4414 elem.style.display === "" && 4415 4416 // Otherwise, check computed style 4417 // Support: Firefox <=43 - 45 4418 // Disconnected elements can have computed display: none, so first confirm that elem is 4419 // in the document. 4420 jQuery.contains( elem.ownerDocument, elem ) && 4421 4422 jQuery.css( elem, "display" ) === "none"; 4423 }; 4424 4425 var swap = function( elem, options, callback, args ) { 4426 var ret, name, 4427 old = {}; 4428 4429 // Remember the old values, and insert the new ones 4430 for ( name in options ) { 4431 old[ name ] = elem.style[ name ]; 4432 elem.style[ name ] = options[ name ]; 4433 } 4434 4435 ret = callback.apply( elem, args || [] ); 4436 4437 // Revert the old values 4438 for ( name in options ) { 4439 elem.style[ name ] = old[ name ]; 4440 } 4441 4442 return ret; 4443 }; 4444 4445 4446 4447 4448 function adjustCSS( elem, prop, valueParts, tween ) { 4449 var adjusted, 4450 scale = 1, 4451 maxIterations = 20, 4452 currentValue = tween ? 4453 function() { 4454 return tween.cur(); 4455 } : 4456 function() { 4457 return jQuery.css( elem, prop, "" ); 4458 }, 4459 initial = currentValue(), 4460 unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ), 4461 4462 // Starting value computation is required for potential unit mismatches 4463 initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) && 4464 rcssNum.exec( jQuery.css( elem, prop ) ); 4465 4466 if ( initialInUnit && initialInUnit[ 3 ] !== unit ) { 4467 4468 // Trust units reported by jQuery.css 4469 unit = unit || initialInUnit[ 3 ]; 4470 4471 // Make sure we update the tween properties later on 4472 valueParts = valueParts || []; 4473 4474 // Iteratively approximate from a nonzero starting point 4475 initialInUnit = +initial || 1; 4476 4477 do { 4478 4479 // If previous iteration zeroed out, double until we get *something*. 4480 // Use string for doubling so we don't accidentally see scale as unchanged below 4481 scale = scale || ".5"; 4482 4483 // Adjust and apply 4484 initialInUnit = initialInUnit / scale; 4485 jQuery.style( elem, prop, initialInUnit + unit ); 4486 4487 // Update scale, tolerating zero or NaN from tween.cur() 4488 // Break the loop if scale is unchanged or perfect, or if we've just had enough. 4489 } while ( 4490 scale !== ( scale = currentValue() / initial ) && scale !== 1 && --maxIterations 4491 ); 4492 } 4493 4494 if ( valueParts ) { 4495 initialInUnit = +initialInUnit || +initial || 0; 4496 4497 // Apply relative offset (+=/-=) if specified 4498 adjusted = valueParts[ 1 ] ? 4499 initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] : 4500 +valueParts[ 2 ]; 4501 if ( tween ) { 4502 tween.unit = unit; 4503 tween.start = initialInUnit; 4504 tween.end = adjusted; 4505 } 4506 } 4507 return adjusted; 4508 } 4509 4510 4511 var defaultDisplayMap = {}; 4512 4513 function getDefaultDisplay( elem ) { 4514 var temp, 4515 doc = elem.ownerDocument, 4516 nodeName = elem.nodeName, 4517 display = defaultDisplayMap[ nodeName ]; 4518 4519 if ( display ) { 4520 return display; 4521 } 4522 4523 temp = doc.body.appendChild( doc.createElement( nodeName ) ), 4524 display = jQuery.css( temp, "display" ); 4525 4526 temp.parentNode.removeChild( temp ); 4527 4528 if ( display === "none" ) { 4529 display = "block"; 4530 } 4531 defaultDisplayMap[ nodeName ] = display; 4532 4533 return display; 4534 } 4535 4536 function showHide( elements, show ) { 4537 var display, elem, 4538 values = [], 4539 index = 0, 4540 length = elements.length; 4541 4542 // Determine new display value for elements that need to change 4543 for ( ; index < length; index++ ) { 4544 elem = elements[ index ]; 4545 if ( !elem.style ) { 4546 continue; 4547 } 4548 4549 display = elem.style.display; 4550 if ( show ) { 4551 4552 // Since we force visibility upon cascade-hidden elements, an immediate (and slow) 4553 // check is required in this first loop unless we have a nonempty display value (either 4554 // inline or about-to-be-restored) 4555 if ( display === "none" ) { 4556 values[ index ] = dataPriv.get( elem, "display" ) || null; 4557 if ( !values[ index ] ) { 4558 elem.style.display = ""; 4559 } 4560 } 4561 if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) { 4562 values[ index ] = getDefaultDisplay( elem ); 4563 } 4564 } else { 4565 if ( display !== "none" ) { 4566 values[ index ] = "none"; 4567 4568 // Remember what we're overwriting 4569 dataPriv.set( elem, "display", display ); 4570 } 4571 } 4572 } 4573 4574 // Set the display of the elements in a second loop to avoid constant reflow 4575 for ( index = 0; index < length; index++ ) { 4576 if ( values[ index ] != null ) { 4577 elements[ index ].style.display = values[ index ]; 4578 } 4579 } 4580 4581 return elements; 4582 } 4583 4584 jQuery.fn.extend( { 4585 show: function() { 4586 return showHide( this, true ); 4587 }, 4588 hide: function() { 4589 return showHide( this ); 4590 }, 4591 toggle: function( state ) { 4592 if ( typeof state === "boolean" ) { 4593 return state ? this.show() : this.hide(); 4594 } 4595 4596 return this.each( function() { 4597 if ( isHiddenWithinTree( this ) ) { 4598 jQuery( this ).show(); 4599 } else { 4600 jQuery( this ).hide(); 4601 } 4602 } ); 4603 } 4604 } ); 4605 var rcheckableType = ( /^(?:checkbox|radio)$/i ); 4606 4607 var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]+)/i ); 4608 4609 var rscriptType = ( /^$|\/(?:java|ecma)script/i ); 4610 4611 4612 4613 // We have to close these tags to support XHTML (#13200) 4614 var wrapMap = { 4615 4616 // Support: IE <=9 only 4617 option: [ 1, "<select multiple='multiple'>", "</select>" ], 4618 4619 // XHTML parsers do not magically insert elements in the 4620 // same way that tag soup parsers do. So we cannot shorten 4621 // this by omitting <tbody> or other required elements. 4622 thead: [ 1, "<table>", "</table>" ], 4623 col: [ 2, "<table><colgroup>", "</colgroup></table>" ], 4624 tr: [ 2, "<table><tbody>", "</tbody></table>" ], 4625 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ], 4626 4627 _default: [ 0, "", "" ] 4628 }; 4629 4630 // Support: IE <=9 only 4631 wrapMap.optgroup = wrapMap.option; 4632 4633 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; 4634 wrapMap.th = wrapMap.td; 4635 4636 4637 function getAll( context, tag ) { 4638 4639 // Support: IE <=9 - 11 only 4640 // Use typeof to avoid zero-argument method invocation on host objects (#15151) 4641 var ret = typeof context.getElementsByTagName !== "undefined" ? 4642 context.getElementsByTagName( tag || "*" ) : 4643 typeof context.querySelectorAll !== "undefined" ? 4644 context.querySelectorAll( tag || "*" ) : 4645 []; 4646 4647 return tag === undefined || tag && jQuery.nodeName( context, tag ) ? 4648 jQuery.merge( [ context ], ret ) : 4649 ret; 4650 } 4651 4652 4653 // Mark scripts as having already been evaluated 4654 function setGlobalEval( elems, refElements ) { 4655 var i = 0, 4656 l = elems.length; 4657 4658 for ( ; i < l; i++ ) { 4659 dataPriv.set( 4660 elems[ i ], 4661 "globalEval", 4662 !refElements || dataPriv.get( refElements[ i ], "globalEval" ) 4663 ); 4664 } 4665 } 4666 4667 4668 var rhtml = /<|&#?\w+;/; 4669 4670 function buildFragment( elems, context, scripts, selection, ignored ) { 4671 var elem, tmp, tag, wrap, contains, j, 4672 fragment = context.createDocumentFragment(), 4673 nodes = [], 4674 i = 0, 4675 l = elems.length; 4676 4677 for ( ; i < l; i++ ) { 4678 elem = elems[ i ]; 4679 4680 if ( elem || elem === 0 ) { 4681 4682 // Add nodes directly 4683 if ( jQuery.type( elem ) === "object" ) { 4684 4685 // Support: Android <=4.0 only, PhantomJS 1 only 4686 // push.apply(_, arraylike) throws on ancient WebKit 4687 jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem ); 4688 4689 // Convert non-html into a text node 4690 } else if ( !rhtml.test( elem ) ) { 4691 nodes.push( context.createTextNode( elem ) ); 4692 4693 // Convert html into DOM nodes 4694 } else { 4695 tmp = tmp || fragment.appendChild( context.createElement( "div" ) ); 4696 4697 // Deserialize a standard representation 4698 tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); 4699 wrap = wrapMap[ tag ] || wrapMap._default; 4700 tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ]; 4701 4702 // Descend through wrappers to the right content 4703 j = wrap[ 0 ]; 4704 while ( j-- ) { 4705 tmp = tmp.lastChild; 4706 } 4707 4708 // Support: Android <=4.0 only, PhantomJS 1 only 4709 // push.apply(_, arraylike) throws on ancient WebKit 4710 jQuery.merge( nodes, tmp.childNodes ); 4711 4712 // Remember the top-level container 4713 tmp = fragment.firstChild; 4714 4715 // Ensure the created nodes are orphaned (#12392) 4716 tmp.textContent = ""; 4717 } 4718 } 4719 } 4720 4721 // Remove wrapper from fragment 4722 fragment.textContent = ""; 4723 4724 i = 0; 4725 while ( ( elem = nodes[ i++ ] ) ) { 4726 4727 // Skip elements already in the context collection (trac-4087) 4728 if ( selection && jQuery.inArray( elem, selection ) > -1 ) { 4729 if ( ignored ) { 4730 ignored.push( elem ); 4731 } 4732 continue; 4733 } 4734 4735 contains = jQuery.contains( elem.ownerDocument, elem ); 4736 4737 // Append to fragment 4738 tmp = getAll( fragment.appendChild( elem ), "script" ); 4739 4740 // Preserve script evaluation history 4741 if ( contains ) { 4742 setGlobalEval( tmp ); 4743 } 4744 4745 // Capture executables 4746 if ( scripts ) { 4747 j = 0; 4748 while ( ( elem = tmp[ j++ ] ) ) { 4749 if ( rscriptType.test( elem.type || "" ) ) { 4750 scripts.push( elem ); 4751 } 4752 } 4753 } 4754 } 4755 4756 return fragment; 4757 } 4758 4759 4760 ( function() { 4761 var fragment = document.createDocumentFragment(), 4762 div = fragment.appendChild( document.createElement( "div" ) ), 4763 input = document.createElement( "input" ); 4764 4765 // Support: Android 4.0 - 4.3 only 4766 // Check state lost if the name is set (#11217) 4767 // Support: Windows Web Apps (WWA) 4768 // `name` and `type` must use .setAttribute for WWA (#14901) 4769 input.setAttribute( "type", "radio" ); 4770 input.setAttribute( "checked", "checked" ); 4771 input.setAttribute( "name", "t" ); 4772 4773 div.appendChild( input ); 4774 4775 // Support: Android <=4.1 only 4776 // Older WebKit doesn't clone checked state correctly in fragments 4777 support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked; 4778 4779 // Support: IE <=11 only 4780 // Make sure textarea (and checkbox) defaultValue is properly cloned 4781 div.innerHTML = "<textarea>x</textarea>"; 4782 support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; 4783 } )(); 4784 var documentElement = document.documentElement; 4785 4786 4787 4788 var 4789 rkeyEvent = /^key/, 4790 rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/, 4791 rtypenamespace = /^([^.]*)(?:\.(.+)|)/; 4792 4793 function returnTrue() { 4794 return true; 4795 } 4796 4797 function returnFalse() { 4798 return false; 4799 } 4800 4801 // Support: IE <=9 only 4802 // See #13393 for more info 4803 function safeActiveElement() { 4804 try { 4805 return document.activeElement; 4806 } catch ( err ) { } 4807 } 4808 4809 function on( elem, types, selector, data, fn, one ) { 4810 var origFn, type; 4811 4812 // Types can be a map of types/handlers 4813 if ( typeof types === "object" ) { 4814 4815 // ( types-Object, selector, data ) 4816 if ( typeof selector !== "string" ) { 4817 4818 // ( types-Object, data ) 4819 data = data || selector; 4820 selector = undefined; 4821 } 4822 for ( type in types ) { 4823 on( elem, type, selector, data, types[ type ], one ); 4824 } 4825 return elem; 4826 } 4827 4828 if ( data == null && fn == null ) { 4829 4830 // ( types, fn ) 4831 fn = selector; 4832 data = selector = undefined; 4833 } else if ( fn == null ) { 4834 if ( typeof selector === "string" ) { 4835 4836 // ( types, selector, fn ) 4837 fn = data; 4838 data = undefined; 4839 } else { 4840 4841 // ( types, data, fn ) 4842 fn = data; 4843 data = selector; 4844 selector = undefined; 4845 } 4846 } 4847 if ( fn === false ) { 4848 fn = returnFalse; 4849 } else if ( !fn ) { 4850 return elem; 4851 } 4852 4853 if ( one === 1 ) { 4854 origFn = fn; 4855 fn = function( event ) { 4856 4857 // Can use an empty set, since event contains the info 4858 jQuery().off( event ); 4859 return origFn.apply( this, arguments ); 4860 }; 4861 4862 // Use same guid so caller can remove using origFn 4863 fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); 4864 } 4865 return elem.each( function() { 4866 jQuery.event.add( this, types, fn, data, selector ); 4867 } ); 4868 } 4869 4870 /* 4871 * Helper functions for managing events -- not part of the public interface. 4872 * Props to Dean Edwards' addEvent library for many of the ideas. 4873 */ 4874 jQuery.event = { 4875 4876 global: {}, 4877 4878 add: function( elem, types, handler, data, selector ) { 4879 4880 var handleObjIn, eventHandle, tmp, 4881 events, t, handleObj, 4882 special, handlers, type, namespaces, origType, 4883 elemData = dataPriv.get( elem ); 4884 4885 // Don't attach events to noData or text/comment nodes (but allow plain objects) 4886 if ( !elemData ) { 4887 return; 4888 } 4889 4890 // Caller can pass in an object of custom data in lieu of the handler 4891 if ( handler.handler ) { 4892 handleObjIn = handler; 4893 handler = handleObjIn.handler; 4894 selector = handleObjIn.selector; 4895 } 4896 4897 // Ensure that invalid selectors throw exceptions at attach time 4898 // Evaluate against documentElement in case elem is a non-element node (e.g., document) 4899 if ( selector ) { 4900 jQuery.find.matchesSelector( documentElement, selector ); 4901 } 4902 4903 // Make sure that the handler has a unique ID, used to find/remove it later 4904 if ( !handler.guid ) { 4905 handler.guid = jQuery.guid++; 4906 } 4907 4908 // Init the element's event structure and main handler, if this is the first 4909 if ( !( events = elemData.events ) ) { 4910 events = elemData.events = {}; 4911 } 4912 if ( !( eventHandle = elemData.handle ) ) { 4913 eventHandle = elemData.handle = function( e ) { 4914 4915 // Discard the second event of a jQuery.event.trigger() and 4916 // when an event is called after a page has unloaded 4917 return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ? 4918 jQuery.event.dispatch.apply( elem, arguments ) : undefined; 4919 }; 4920 } 4921 4922 // Handle multiple events separated by a space 4923 types = ( types || "" ).match( rnotwhite ) || [ "" ]; 4924 t = types.length; 4925 while ( t-- ) { 4926 tmp = rtypenamespace.exec( types[ t ] ) || []; 4927 type = origType = tmp[ 1 ]; 4928 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); 4929 4930 // There *must* be a type, no attaching namespace-only handlers 4931 if ( !type ) { 4932 continue; 4933 } 4934 4935 // If event changes its type, use the special event handlers for the changed type 4936 special = jQuery.event.special[ type ] || {}; 4937 4938 // If selector defined, determine special event api type, otherwise given type 4939 type = ( selector ? special.delegateType : special.bindType ) || type; 4940 4941 // Update special based on newly reset type 4942 special = jQuery.event.special[ type ] || {}; 4943 4944 // handleObj is passed to all event handlers 4945 handleObj = jQuery.extend( { 4946 type: type, 4947 origType: origType, 4948 data: data, 4949 handler: handler, 4950 guid: handler.guid, 4951 selector: selector, 4952 needsContext: selector && jQuery.expr.match.needsContext.test( selector ), 4953 namespace: namespaces.join( "." ) 4954 }, handleObjIn ); 4955 4956 // Init the event handler queue if we're the first 4957 if ( !( handlers = events[ type ] ) ) { 4958 handlers = events[ type ] = []; 4959 handlers.delegateCount = 0; 4960 4961 // Only use addEventListener if the special events handler returns false 4962 if ( !special.setup || 4963 special.setup.call( elem, data, namespaces, eventHandle ) === false ) { 4964 4965 if ( elem.addEventListener ) { 4966 elem.addEventListener( type, eventHandle ); 4967 } 4968 } 4969 } 4970 4971 if ( special.add ) { 4972 special.add.call( elem, handleObj ); 4973 4974 if ( !handleObj.handler.guid ) { 4975 handleObj.handler.guid = handler.guid; 4976 } 4977 } 4978 4979 // Add to the element's handler list, delegates in front 4980 if ( selector ) { 4981 handlers.splice( handlers.delegateCount++, 0, handleObj ); 4982 } else { 4983 handlers.push( handleObj ); 4984 } 4985 4986 // Keep track of which events have ever been used, for event optimization 4987 jQuery.event.global[ type ] = true; 4988 } 4989 4990 }, 4991 4992 // Detach an event or set of events from an element 4993 remove: function( elem, types, handler, selector, mappedTypes ) { 4994 4995 var j, origCount, tmp, 4996 events, t, handleObj, 4997 special, handlers, type, namespaces, origType, 4998 elemData = dataPriv.hasData( elem ) && dataPriv.get( elem ); 4999 5000 if ( !elemData || !( events = elemData.events ) ) { 5001 return; 5002 } 5003 5004 // Once for each type.namespace in types; type may be omitted 5005 types = ( types || "" ).match( rnotwhite ) || [ "" ]; 5006 t = types.length; 5007 while ( t-- ) { 5008 tmp = rtypenamespace.exec( types[ t ] ) || []; 5009 type = origType = tmp[ 1 ]; 5010 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); 5011 5012 // Unbind all events (on this namespace, if provided) for the element 5013 if ( !type ) { 5014 for ( type in events ) { 5015 jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); 5016 } 5017 continue; 5018 } 5019 5020 special = jQuery.event.special[ type ] || {}; 5021 type = ( selector ? special.delegateType : special.bindType ) || type; 5022 handlers = events[ type ] || []; 5023 tmp = tmp[ 2 ] && 5024 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ); 5025 5026 // Remove matching events 5027 origCount = j = handlers.length; 5028 while ( j-- ) { 5029 handleObj = handlers[ j ]; 5030 5031 if ( ( mappedTypes || origType === handleObj.origType ) && 5032 ( !handler || handler.guid === handleObj.guid ) && 5033 ( !tmp || tmp.test( handleObj.namespace ) ) && 5034 ( !selector || selector === handleObj.selector || 5035 selector === "**" && handleObj.selector ) ) { 5036 handlers.splice( j, 1 ); 5037 5038 if ( handleObj.selector ) { 5039 handlers.delegateCount--; 5040 } 5041 if ( special.remove ) { 5042 special.remove.call( elem, handleObj ); 5043 } 5044 } 5045 } 5046 5047 // Remove generic event handler if we removed something and no more handlers exist 5048 // (avoids potential for endless recursion during removal of special event handlers) 5049 if ( origCount && !handlers.length ) { 5050 if ( !special.teardown || 5051 special.teardown.call( elem, namespaces, elemData.handle ) === false ) { 5052 5053 jQuery.removeEvent( elem, type, elemData.handle ); 5054 } 5055 5056 delete events[ type ]; 5057 } 5058 } 5059 5060 // Remove data and the expando if it's no longer used 5061 if ( jQuery.isEmptyObject( events ) ) { 5062 dataPriv.remove( elem, "handle events" ); 5063 } 5064 }, 5065 5066 dispatch: function( nativeEvent ) { 5067 5068 // Make a writable jQuery.Event from the native event object 5069 var event = jQuery.event.fix( nativeEvent ); 5070 5071 var i, j, ret, matched, handleObj, handlerQueue, 5072 args = new Array( arguments.length ), 5073 handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [], 5074 special = jQuery.event.special[ event.type ] || {}; 5075 5076 // Use the fix-ed jQuery.Event rather than the (read-only) native event 5077 args[ 0 ] = event; 5078 5079 for ( i = 1; i < arguments.length; i++ ) { 5080 args[ i ] = arguments[ i ]; 5081 } 5082 5083 event.delegateTarget = this; 5084 5085 // Call the preDispatch hook for the mapped type, and let it bail if desired 5086 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { 5087 return; 5088 } 5089 5090 // Determine handlers 5091 handlerQueue = jQuery.event.handlers.call( this, event, handlers ); 5092 5093 // Run delegates first; they may want to stop propagation beneath us 5094 i = 0; 5095 while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) { 5096 event.currentTarget = matched.elem; 5097 5098 j = 0; 5099 while ( ( handleObj = matched.handlers[ j++ ] ) && 5100 !event.isImmediatePropagationStopped() ) { 5101 5102 // Triggered event must either 1) have no namespace, or 2) have namespace(s) 5103 // a subset or equal to those in the bound event (both can have no namespace). 5104 if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) { 5105 5106 event.handleObj = handleObj; 5107 event.data = handleObj.data; 5108 5109 ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle || 5110 handleObj.handler ).apply( matched.elem, args ); 5111 5112 if ( ret !== undefined ) { 5113 if ( ( event.result = ret ) === false ) { 5114 event.preventDefault(); 5115 event.stopPropagation(); 5116 } 5117 } 5118 } 5119 } 5120 } 5121 5122 // Call the postDispatch hook for the mapped type 5123 if ( special.postDispatch ) { 5124 special.postDispatch.call( this, event ); 5125 } 5126 5127 return event.result; 5128 }, 5129 5130 handlers: function( event, handlers ) { 5131 var i, matches, sel, handleObj, 5132 handlerQueue = [], 5133 delegateCount = handlers.delegateCount, 5134 cur = event.target; 5135 5136 // Support: IE <=9 5137 // Find delegate handlers 5138 // Black-hole SVG <use> instance trees (#13180) 5139 // 5140 // Support: Firefox <=42 5141 // Avoid non-left-click in FF but don't block IE radio events (#3861, gh-2343) 5142 if ( delegateCount && cur.nodeType && 5143 ( event.type !== "click" || isNaN( event.button ) || event.button < 1 ) ) { 5144 5145 for ( ; cur !== this; cur = cur.parentNode || this ) { 5146 5147 // Don't check non-elements (#13208) 5148 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) 5149 if ( cur.nodeType === 1 && ( cur.disabled !== true || event.type !== "click" ) ) { 5150 matches = []; 5151 for ( i = 0; i < delegateCount; i++ ) { 5152 handleObj = handlers[ i ]; 5153 5154 // Don't conflict with Object.prototype properties (#13203) 5155 sel = handleObj.selector + " "; 5156 5157 if ( matches[ sel ] === undefined ) { 5158 matches[ sel ] = handleObj.needsContext ? 5159 jQuery( sel, this ).index( cur ) > -1 : 5160 jQuery.find( sel, this, null, [ cur ] ).length; 5161 } 5162 if ( matches[ sel ] ) { 5163 matches.push( handleObj ); 5164 } 5165 } 5166 if ( matches.length ) { 5167 handlerQueue.push( { elem: cur, handlers: matches } ); 5168 } 5169 } 5170 } 5171 } 5172 5173 // Add the remaining (directly-bound) handlers 5174 if ( delegateCount < handlers.length ) { 5175 handlerQueue.push( { elem: this, handlers: handlers.slice( delegateCount ) } ); 5176 } 5177 5178 return handlerQueue; 5179 }, 5180 5181 addProp: function( name, hook ) { 5182 Object.defineProperty( jQuery.Event.prototype, name, { 5183 enumerable: true, 5184 configurable: true, 5185 5186 get: jQuery.isFunction( hook ) ? 5187 function() { 5188 if ( this.originalEvent ) { 5189 return hook( this.originalEvent ); 5190 } 5191 } : 5192 function() { 5193 if ( this.originalEvent ) { 5194 return this.originalEvent[ name ]; 5195 } 5196 }, 5197 5198 set: function( value ) { 5199 Object.defineProperty( this, name, { 5200 enumerable: true, 5201 configurable: true, 5202 writable: true, 5203 value: value 5204 } ); 5205 } 5206 } ); 5207 }, 5208 5209 fix: function( originalEvent ) { 5210 return originalEvent[ jQuery.expando ] ? 5211 originalEvent : 5212 new jQuery.Event( originalEvent ); 5213 }, 5214 5215 special: { 5216 load: { 5217 5218 // Prevent triggered image.load events from bubbling to window.load 5219 noBubble: true 5220 }, 5221 focus: { 5222 5223 // Fire native event if possible so blur/focus sequence is correct 5224 trigger: function() { 5225 if ( this !== safeActiveElement() && this.focus ) { 5226 this.focus(); 5227 return false; 5228 } 5229 }, 5230 delegateType: "focusin" 5231 }, 5232 blur: { 5233 trigger: function() { 5234 if ( this === safeActiveElement() && this.blur ) { 5235 this.blur(); 5236 return false; 5237 } 5238 }, 5239 delegateType: "focusout" 5240 }, 5241 click: { 5242 5243 // For checkbox, fire native event so checked state will be right 5244 trigger: function() { 5245 if ( this.type === "checkbox" && this.click && jQuery.nodeName( this, "input" ) ) { 5246 this.click(); 5247 return false; 5248 } 5249 }, 5250 5251 // For cross-browser consistency, don't fire native .click() on links 5252 _default: function( event ) { 5253 return jQuery.nodeName( event.target, "a" ); 5254 } 5255 }, 5256 5257 beforeunload: { 5258 postDispatch: function( event ) { 5259 5260 // Support: Firefox 20+ 5261 // Firefox doesn't alert if the returnValue field is not set. 5262 if ( event.result !== undefined && event.originalEvent ) { 5263 event.originalEvent.returnValue = event.result; 5264 } 5265 } 5266 } 5267 } 5268 }; 5269 5270 jQuery.removeEvent = function( elem, type, handle ) { 5271 5272 // This "if" is needed for plain objects 5273 if ( elem.removeEventListener ) { 5274 elem.removeEventListener( type, handle ); 5275 } 5276 }; 5277 5278 jQuery.Event = function( src, props ) { 5279 5280 // Allow instantiation without the 'new' keyword 5281 if ( !( this instanceof jQuery.Event ) ) { 5282 return new jQuery.Event( src, props ); 5283 } 5284 5285 // Event object 5286 if ( src && src.type ) { 5287 this.originalEvent = src; 5288 this.type = src.type; 5289 5290 // Events bubbling up the document may have been marked as prevented 5291 // by a handler lower down the tree; reflect the correct value. 5292 this.isDefaultPrevented = src.defaultPrevented || 5293 src.defaultPrevented === undefined && 5294 5295 // Support: Android <=2.3 only 5296 src.returnValue === false ? 5297 returnTrue : 5298 returnFalse; 5299 5300 // Create target properties 5301 // Support: Safari <=6 - 7 only 5302 // Target should not be a text node (#504, #13143) 5303 this.target = ( src.target && src.target.nodeType === 3 ) ? 5304 src.target.parentNode : 5305 src.target; 5306 5307 this.currentTarget = src.currentTarget; 5308 this.relatedTarget = src.relatedTarget; 5309 5310 // Event type 5311 } else { 5312 this.type = src; 5313 } 5314 5315 // Put explicitly provided properties onto the event object 5316 if ( props ) { 5317 jQuery.extend( this, props ); 5318 } 5319 5320 // Create a timestamp if incoming event doesn't have one 5321 this.timeStamp = src && src.timeStamp || jQuery.now(); 5322 5323 // Mark it as fixed 5324 this[ jQuery.expando ] = true; 5325 }; 5326 5327 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding 5328 // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html 5329 jQuery.Event.prototype = { 5330 constructor: jQuery.Event, 5331 isDefaultPrevented: returnFalse, 5332 isPropagationStopped: returnFalse, 5333 isImmediatePropagationStopped: returnFalse, 5334 isSimulated: false, 5335 5336 preventDefault: function() { 5337 var e = this.originalEvent; 5338 5339 this.isDefaultPrevented = returnTrue; 5340 5341 if ( e && !this.isSimulated ) { 5342 e.preventDefault(); 5343 } 5344 }, 5345 stopPropagation: function() { 5346 var e = this.originalEvent; 5347 5348 this.isPropagationStopped = returnTrue; 5349 5350 if ( e && !this.isSimulated ) { 5351 e.stopPropagation(); 5352 } 5353 }, 5354 stopImmediatePropagation: function() { 5355 var e = this.originalEvent; 5356 5357 this.isImmediatePropagationStopped = returnTrue; 5358 5359 if ( e && !this.isSimulated ) { 5360 e.stopImmediatePropagation(); 5361 } 5362 5363 this.stopPropagation(); 5364 } 5365 }; 5366 5367 // Includes all common event props including KeyEvent and MouseEvent specific props 5368 jQuery.each( { 5369 altKey: true, 5370 bubbles: true, 5371 cancelable: true, 5372 changedTouches: true, 5373 ctrlKey: true, 5374 detail: true, 5375 eventPhase: true, 5376 metaKey: true, 5377 pageX: true, 5378 pageY: true, 5379 shiftKey: true, 5380 view: true, 5381 "char": true, 5382 charCode: true, 5383 key: true, 5384 keyCode: true, 5385 button: true, 5386 buttons: true, 5387 clientX: true, 5388 clientY: true, 5389 offsetX: true, 5390 offsetY: true, 5391 pointerId: true, 5392 pointerType: true, 5393 screenX: true, 5394 screenY: true, 5395 targetTouches: true, 5396 toElement: true, 5397 touches: true, 5398 5399 which: function( event ) { 5400 var button = event.button; 5401 5402 // Add which for key events 5403 if ( event.which == null && rkeyEvent.test( event.type ) ) { 5404 return event.charCode != null ? event.charCode : event.keyCode; 5405 } 5406 5407 // Add which for click: 1 === left; 2 === middle; 3 === right 5408 if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) { 5409 return ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) ); 5410 } 5411 5412 return event.which; 5413 } 5414 }, jQuery.event.addProp ); 5415 5416 // Create mouseenter/leave events using mouseover/out and event-time checks 5417 // so that event delegation works in jQuery. 5418 // Do the same for pointerenter/pointerleave and pointerover/pointerout 5419 // 5420 // Support: Safari 7 only 5421 // Safari sends mouseenter too often; see: 5422 // https://bugs.chromium.org/p/chromium/issues/detail?id=470258 5423 // for the description of the bug (it existed in older Chrome versions as well). 5424 jQuery.each( { 5425 mouseenter: "mouseover", 5426 mouseleave: "mouseout", 5427 pointerenter: "pointerover", 5428 pointerleave: "pointerout" 5429 }, function( orig, fix ) { 5430 jQuery.event.special[ orig ] = { 5431 delegateType: fix, 5432 bindType: fix, 5433 5434 handle: function( event ) { 5435 var ret, 5436 target = this, 5437 related = event.relatedTarget, 5438 handleObj = event.handleObj; 5439 5440 // For mouseenter/leave call the handler if related is outside the target. 5441 // NB: No relatedTarget if the mouse left/entered the browser window 5442 if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) { 5443 event.type = handleObj.origType; 5444 ret = handleObj.handler.apply( this, arguments ); 5445 event.type = fix; 5446 } 5447 return ret; 5448 } 5449 }; 5450 } ); 5451 5452 jQuery.fn.extend( { 5453 5454 on: function( types, selector, data, fn ) { 5455 return on( this, types, selector, data, fn ); 5456 }, 5457 one: function( types, selector, data, fn ) { 5458 return on( this, types, selector, data, fn, 1 ); 5459 }, 5460 off: function( types, selector, fn ) { 5461 var handleObj, type; 5462 if ( types && types.preventDefault && types.handleObj ) { 5463 5464 // ( event ) dispatched jQuery.Event 5465 handleObj = types.handleObj; 5466 jQuery( types.delegateTarget ).off( 5467 handleObj.namespace ? 5468 handleObj.origType + "." + handleObj.namespace : 5469 handleObj.origType, 5470 handleObj.selector, 5471 handleObj.handler 5472 ); 5473 return this; 5474 } 5475 if ( typeof types === "object" ) { 5476 5477 // ( types-object [, selector] ) 5478 for ( type in types ) { 5479 this.off( type, selector, types[ type ] ); 5480 } 5481 return this; 5482 } 5483 if ( selector === false || typeof selector === "function" ) { 5484 5485 // ( types [, fn] ) 5486 fn = selector; 5487 selector = undefined; 5488 } 5489 if ( fn === false ) { 5490 fn = returnFalse; 5491 } 5492 return this.each( function() { 5493 jQuery.event.remove( this, types, fn, selector ); 5494 } ); 5495 } 5496 } ); 5497 5498 5499 var 5500 5501 /* eslint-disable max-len */ 5502 5503 // See https://github.com/eslint/eslint/issues/3229 5504 rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi, 5505 5506 /* eslint-enable */ 5507 5508 // Support: IE <=10 - 11, Edge 12 - 13 5509 // In IE/Edge using regex groups here causes severe slowdowns. 5510 // See https://connect.microsoft.com/IE/feedback/details/1736512/ 5511 rnoInnerhtml = /<script|<style|<link/i, 5512 5513 // checked="checked" or checked 5514 rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i, 5515 rscriptTypeMasked = /^true\/(.*)/, 5516 rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g; 5517 5518 function manipulationTarget( elem, content ) { 5519 if ( jQuery.nodeName( elem, "table" ) && 5520 jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) { 5521 5522 return elem.getElementsByTagName( "tbody" )[ 0 ] || elem; 5523 } 5524 5525 return elem; 5526 } 5527 5528 // Replace/restore the type attribute of script elements for safe DOM manipulation 5529 function disableScript( elem ) { 5530 elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type; 5531 return elem; 5532 } 5533 function restoreScript( elem ) { 5534 var match = rscriptTypeMasked.exec( elem.type ); 5535 5536 if ( match ) { 5537 elem.type = match[ 1 ]; 5538 } else { 5539 elem.removeAttribute( "type" ); 5540 } 5541 5542 return elem; 5543 } 5544 5545 function cloneCopyEvent( src, dest ) { 5546 var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events; 5547 5548 if ( dest.nodeType !== 1 ) { 5549 return; 5550 } 5551 5552 // 1. Copy private data: events, handlers, etc. 5553 if ( dataPriv.hasData( src ) ) { 5554 pdataOld = dataPriv.access( src ); 5555 pdataCur = dataPriv.set( dest, pdataOld ); 5556 events = pdataOld.events; 5557 5558 if ( events ) { 5559 delete pdataCur.handle; 5560 pdataCur.events = {}; 5561 5562 for ( type in events ) { 5563 for ( i = 0, l = events[ type ].length; i < l; i++ ) { 5564 jQuery.event.add( dest, type, events[ type ][ i ] ); 5565 } 5566 } 5567 } 5568 } 5569 5570 // 2. Copy user data 5571 if ( dataUser.hasData( src ) ) { 5572 udataOld = dataUser.access( src ); 5573 udataCur = jQuery.extend( {}, udataOld ); 5574 5575 dataUser.set( dest, udataCur ); 5576 } 5577 } 5578 5579 // Fix IE bugs, see support tests 5580 function fixInput( src, dest ) { 5581 var nodeName = dest.nodeName.toLowerCase(); 5582 5583 // Fails to persist the checked state of a cloned checkbox or radio button. 5584 if ( nodeName === "input" && rcheckableType.test( src.type ) ) { 5585 dest.checked = src.checked; 5586 5587 // Fails to return the selected option to the default selected state when cloning options 5588 } else if ( nodeName === "input" || nodeName === "textarea" ) { 5589 dest.defaultValue = src.defaultValue; 5590 } 5591 } 5592 5593 function domManip( collection, args, callback, ignored ) { 5594 5595 // Flatten any nested arrays 5596 args = concat.apply( [], args ); 5597 5598 var fragment, first, scripts, hasScripts, node, doc, 5599 i = 0, 5600 l = collection.length, 5601 iNoClone = l - 1, 5602 value = args[ 0 ], 5603 isFunction = jQuery.isFunction( value ); 5604 5605 // We can't cloneNode fragments that contain checked, in WebKit 5606 if ( isFunction || 5607 ( l > 1 && typeof value === "string" && 5608 !support.checkClone && rchecked.test( value ) ) ) { 5609 return collection.each( function( index ) { 5610 var self = collection.eq( index ); 5611 if ( isFunction ) { 5612 args[ 0 ] = value.call( this, index, self.html() ); 5613 } 5614 domManip( self, args, callback, ignored ); 5615 } ); 5616 } 5617 5618 if ( l ) { 5619 fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored ); 5620 first = fragment.firstChild; 5621 5622 if ( fragment.childNodes.length === 1 ) { 5623 fragment = first; 5624 } 5625 5626 // Require either new content or an interest in ignored elements to invoke the callback 5627 if ( first || ignored ) { 5628 scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); 5629 hasScripts = scripts.length; 5630 5631 // Use the original fragment for the last item 5632 // instead of the first because it can end up 5633 // being emptied incorrectly in certain situations (#8070). 5634 for ( ; i < l; i++ ) { 5635 node = fragment; 5636 5637 if ( i !== iNoClone ) { 5638 node = jQuery.clone( node, true, true ); 5639 5640 // Keep references to cloned scripts for later restoration 5641 if ( hasScripts ) { 5642 5643 // Support: Android <=4.0 only, PhantomJS 1 only 5644 // push.apply(_, arraylike) throws on ancient WebKit 5645 jQuery.merge( scripts, getAll( node, "script" ) ); 5646 } 5647 } 5648 5649 callback.call( collection[ i ], node, i ); 5650 } 5651 5652 if ( hasScripts ) { 5653 doc = scripts[ scripts.length - 1 ].ownerDocument; 5654 5655 // Reenable scripts 5656 jQuery.map( scripts, restoreScript ); 5657 5658 // Evaluate executable scripts on first document insertion 5659 for ( i = 0; i < hasScripts; i++ ) { 5660 node = scripts[ i ]; 5661 if ( rscriptType.test( node.type || "" ) && 5662 !dataPriv.access( node, "globalEval" ) && 5663 jQuery.contains( doc, node ) ) { 5664 5665 if ( node.src ) { 5666 5667 // Optional AJAX dependency, but won't run scripts if not present 5668 if ( jQuery._evalUrl ) { 5669 jQuery._evalUrl( node.src ); 5670 } 5671 } else { 5672 DOMEval( node.textContent.replace( rcleanScript, "" ), doc ); 5673 } 5674 } 5675 } 5676 } 5677 } 5678 } 5679 5680 return collection; 5681 } 5682 5683 function remove( elem, selector, keepData ) { 5684 var node, 5685 nodes = selector ? jQuery.filter( selector, elem ) : elem, 5686 i = 0; 5687 5688 for ( ; ( node = nodes[ i ] ) != null; i++ ) { 5689 if ( !keepData && node.nodeType === 1 ) { 5690 jQuery.cleanData( getAll( node ) ); 5691 } 5692 5693 if ( node.parentNode ) { 5694 if ( keepData && jQuery.contains( node.ownerDocument, node ) ) { 5695 setGlobalEval( getAll( node, "script" ) ); 5696 } 5697 node.parentNode.removeChild( node ); 5698 } 5699 } 5700 5701 return elem; 5702 } 5703 5704 jQuery.extend( { 5705 htmlPrefilter: function( html ) { 5706 return html.replace( rxhtmlTag, "<$1></$2>" ); 5707 }, 5708 5709 clone: function( elem, dataAndEvents, deepDataAndEvents ) { 5710 var i, l, srcElements, destElements, 5711 clone = elem.cloneNode( true ), 5712 inPage = jQuery.contains( elem.ownerDocument, elem ); 5713 5714 // Fix IE cloning issues 5715 if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && 5716 !jQuery.isXMLDoc( elem ) ) { 5717 5718 // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2 5719 destElements = getAll( clone ); 5720 srcElements = getAll( elem ); 5721 5722 for ( i = 0, l = srcElements.length; i < l; i++ ) { 5723 fixInput( srcElements[ i ], destElements[ i ] ); 5724 } 5725 } 5726 5727 // Copy the events from the original to the clone 5728 if ( dataAndEvents ) { 5729 if ( deepDataAndEvents ) { 5730 srcElements = srcElements || getAll( elem ); 5731 destElements = destElements || getAll( clone ); 5732 5733 for ( i = 0, l = srcElements.length; i < l; i++ ) { 5734 cloneCopyEvent( srcElements[ i ], destElements[ i ] ); 5735 } 5736 } else { 5737 cloneCopyEvent( elem, clone ); 5738 } 5739 } 5740 5741 // Preserve script evaluation history 5742 destElements = getAll( clone, "script" ); 5743 if ( destElements.length > 0 ) { 5744 setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); 5745 } 5746 5747 // Return the cloned set 5748 return clone; 5749 }, 5750 5751 cleanData: function( elems ) { 5752 var data, elem, type, 5753 special = jQuery.event.special, 5754 i = 0; 5755 5756 for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) { 5757 if ( acceptData( elem ) ) { 5758 if ( ( data = elem[ dataPriv.expando ] ) ) { 5759 if ( data.events ) { 5760 for ( type in data.events ) { 5761 if ( special[ type ] ) { 5762 jQuery.event.remove( elem, type ); 5763 5764 // This is a shortcut to avoid jQuery.event.remove's overhead 5765 } else { 5766 jQuery.removeEvent( elem, type, data.handle ); 5767 } 5768 } 5769 } 5770 5771 // Support: Chrome <=35 - 45+ 5772 // Assign undefined instead of using delete, see Data#remove 5773 elem[ dataPriv.expando ] = undefined; 5774 } 5775 if ( elem[ dataUser.expando ] ) { 5776 5777 // Support: Chrome <=35 - 45+ 5778 // Assign undefined instead of using delete, see Data#remove 5779 elem[ dataUser.expando ] = undefined; 5780 } 5781 } 5782 } 5783 } 5784 } ); 5785 5786 jQuery.fn.extend( { 5787 detach: function( selector ) { 5788 return remove( this, selector, true ); 5789 }, 5790 5791 remove: function( selector ) { 5792 return remove( this, selector ); 5793 }, 5794 5795 text: function( value ) { 5796 return access( this, function( value ) { 5797 return value === undefined ? 5798 jQuery.text( this ) : 5799 this.empty().each( function() { 5800 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { 5801 this.textContent = value; 5802 } 5803 } ); 5804 }, null, value, arguments.length ); 5805 }, 5806 5807 append: function() { 5808 return domManip( this, arguments, function( elem ) { 5809 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { 5810 var target = manipulationTarget( this, elem ); 5811 target.appendChild( elem ); 5812 } 5813 } ); 5814 }, 5815 5816 prepend: function() { 5817 return domManip( this, arguments, function( elem ) { 5818 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { 5819 var target = manipulationTarget( this, elem ); 5820 target.insertBefore( elem, target.firstChild ); 5821 } 5822 } ); 5823 }, 5824 5825 before: function() { 5826 return domManip( this, arguments, function( elem ) { 5827 if ( this.parentNode ) { 5828 this.parentNode.insertBefore( elem, this ); 5829 } 5830 } ); 5831 }, 5832 5833 after: function() { 5834 return domManip( this, arguments, function( elem ) { 5835 if ( this.parentNode ) { 5836 this.parentNode.insertBefore( elem, this.nextSibling ); 5837 } 5838 } ); 5839 }, 5840 5841 empty: function() { 5842 var elem, 5843 i = 0; 5844 5845 for ( ; ( elem = this[ i ] ) != null; i++ ) { 5846 if ( elem.nodeType === 1 ) { 5847 5848 // Prevent memory leaks 5849 jQuery.cleanData( getAll( elem, false ) ); 5850 5851 // Remove any remaining nodes 5852 elem.textContent = ""; 5853 } 5854 } 5855 5856 return this; 5857 }, 5858 5859 clone: function( dataAndEvents, deepDataAndEvents ) { 5860 dataAndEvents = dataAndEvents == null ? false : dataAndEvents; 5861 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; 5862 5863 return this.map( function() { 5864 return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); 5865 } ); 5866 }, 5867 5868 html: function( value ) { 5869 return access( this, function( value ) { 5870 var elem = this[ 0 ] || {}, 5871 i = 0, 5872 l = this.length; 5873 5874 if ( value === undefined && elem.nodeType === 1 ) { 5875 return elem.innerHTML; 5876 } 5877 5878 // See if we can take a shortcut and just use innerHTML 5879 if ( typeof value === "string" && !rnoInnerhtml.test( value ) && 5880 !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) { 5881 5882 value = jQuery.htmlPrefilter( value ); 5883 5884 try { 5885 for ( ; i < l; i++ ) { 5886 elem = this[ i ] || {}; 5887 5888 // Remove element nodes and prevent memory leaks 5889 if ( elem.nodeType === 1 ) { 5890 jQuery.cleanData( getAll( elem, false ) ); 5891 elem.innerHTML = value; 5892 } 5893 } 5894 5895 elem = 0; 5896 5897 // If using innerHTML throws an exception, use the fallback method 5898 } catch ( e ) {} 5899 } 5900 5901 if ( elem ) { 5902 this.empty().append( value ); 5903 } 5904 }, null, value, arguments.length ); 5905 }, 5906 5907 replaceWith: function() { 5908 var ignored = []; 5909 5910 // Make the changes, replacing each non-ignored context element with the new content 5911 return domManip( this, arguments, function( elem ) { 5912 var parent = this.parentNode; 5913 5914 if ( jQuery.inArray( this, ignored ) < 0 ) { 5915 jQuery.cleanData( getAll( this ) ); 5916 if ( parent ) { 5917 parent.replaceChild( elem, this ); 5918 } 5919 } 5920 5921 // Force callback invocation 5922 }, ignored ); 5923 } 5924 } ); 5925 5926 jQuery.each( { 5927 appendTo: "append", 5928 prependTo: "prepend", 5929 insertBefore: "before", 5930 insertAfter: "after", 5931 replaceAll: "replaceWith" 5932 }, function( name, original ) { 5933 jQuery.fn[ name ] = function( selector ) { 5934 var elems, 5935 ret = [], 5936 insert = jQuery( selector ), 5937 last = insert.length - 1, 5938 i = 0; 5939 5940 for ( ; i <= last; i++ ) { 5941 elems = i === last ? this : this.clone( true ); 5942 jQuery( insert[ i ] )[ original ]( elems ); 5943 5944 // Support: Android <=4.0 only, PhantomJS 1 only 5945 // .get() because push.apply(_, arraylike) throws on ancient WebKit 5946 push.apply( ret, elems.get() ); 5947 } 5948 5949 return this.pushStack( ret ); 5950 }; 5951 } ); 5952 var rmargin = ( /^margin/ ); 5953 5954 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" ); 5955 5956 var getStyles = function( elem ) { 5957 5958 // Support: IE <=11 only, Firefox <=30 (#15098, #14150) 5959 // IE throws on elements created in popups 5960 // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" 5961 var view = elem.ownerDocument.defaultView; 5962 5963 if ( !view || !view.opener ) { 5964 view = window; 5965 } 5966 5967 return view.getComputedStyle( elem ); 5968 }; 5969 5970 5971 5972 ( function() { 5973 5974 // Executing both pixelPosition & boxSizingReliable tests require only one layout 5975 // so they're executed at the same time to save the second computation. 5976 function computeStyleTests() { 5977 5978 // This is a singleton, we need to execute it only once 5979 if ( !div ) { 5980 return; 5981 } 5982 5983 div.style.cssText = 5984 "box-sizing:border-box;" + 5985 "position:relative;display:block;" + 5986 "margin:auto;border:1px;padding:1px;" + 5987 "top:1%;width:50%"; 5988 div.innerHTML = ""; 5989 documentElement.appendChild( container ); 5990 5991 var divStyle = window.getComputedStyle( div ); 5992 pixelPositionVal = divStyle.top !== "1%"; 5993 5994 // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44 5995 reliableMarginLeftVal = divStyle.marginLeft === "2px"; 5996 boxSizingReliableVal = divStyle.width === "4px"; 5997 5998 // Support: Android 4.0 - 4.3 only 5999 // Some styles come back with percentage values, even though they shouldn't 6000 div.style.marginRight = "50%"; 6001 pixelMarginRightVal = divStyle.marginRight === "4px"; 6002 6003 documentElement.removeChild( container ); 6004 6005 // Nullify the div so it wouldn't be stored in the memory and 6006 // it will also be a sign that checks already performed 6007 div = null; 6008 } 6009 6010 var pixelPositionVal, boxSizingReliableVal, pixelMarginRightVal, reliableMarginLeftVal, 6011 container = document.createElement( "div" ), 6012 div = document.createElement( "div" ); 6013 6014 // Finish early in limited (non-browser) environments 6015 if ( !div.style ) { 6016 return; 6017 } 6018 6019 // Support: IE <=9 - 11 only 6020 // Style of cloned element affects source element cloned (#8908) 6021 div.style.backgroundClip = "content-box"; 6022 div.cloneNode( true ).style.backgroundClip = ""; 6023 support.clearCloneStyle = div.style.backgroundClip === "content-box"; 6024 6025 container.style.cssText = "border:0;width:8px;height:0;top:0;left:-9999px;" + 6026 "padding:0;margin-top:1px;position:absolute"; 6027 container.appendChild( div ); 6028 6029 jQuery.extend( support, { 6030 pixelPosition: function() { 6031 computeStyleTests(); 6032 return pixelPositionVal; 6033 }, 6034 boxSizingReliable: function() { 6035 computeStyleTests(); 6036 return boxSizingReliableVal; 6037 }, 6038 pixelMarginRight: function() { 6039 computeStyleTests(); 6040 return pixelMarginRightVal; 6041 }, 6042 reliableMarginLeft: function() { 6043 computeStyleTests(); 6044 return reliableMarginLeftVal; 6045 } 6046 } ); 6047 } )(); 6048 6049 6050 function curCSS( elem, name, computed ) { 6051 var width, minWidth, maxWidth, ret, 6052 style = elem.style; 6053 6054 computed = computed || getStyles( elem ); 6055 6056 // Support: IE <=9 only 6057 // getPropertyValue is only needed for .css('filter') (#12537) 6058 if ( computed ) { 6059 ret = computed.getPropertyValue( name ) || computed[ name ]; 6060 6061 if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) { 6062 ret = jQuery.style( elem, name ); 6063 } 6064 6065 // A tribute to the "awesome hack by Dean Edwards" 6066 // Android Browser returns percentage for some values, 6067 // but width seems to be reliably pixels. 6068 // This is against the CSSOM draft spec: 6069 // https://drafts.csswg.org/cssom/#resolved-values 6070 if ( !support.pixelMarginRight() && rnumnonpx.test( ret ) && rmargin.test( name ) ) { 6071 6072 // Remember the original values 6073 width = style.width; 6074 minWidth = style.minWidth; 6075 maxWidth = style.maxWidth; 6076 6077 // Put in the new values to get a computed value out 6078 style.minWidth = style.maxWidth = style.width = ret; 6079 ret = computed.width; 6080 6081 // Revert the changed values 6082 style.width = width; 6083 style.minWidth = minWidth; 6084 style.maxWidth = maxWidth; 6085 } 6086 } 6087 6088 return ret !== undefined ? 6089 6090 // Support: IE <=9 - 11 only 6091 // IE returns zIndex value as an integer. 6092 ret + "" : 6093 ret; 6094 } 6095 6096 6097 function addGetHookIf( conditionFn, hookFn ) { 6098 6099 // Define the hook, we'll check on the first run if it's really needed. 6100 return { 6101 get: function() { 6102 if ( conditionFn() ) { 6103 6104 // Hook not needed (or it's not possible to use it due 6105 // to missing dependency), remove it. 6106 delete this.get; 6107 return; 6108 } 6109 6110 // Hook needed; redefine it so that the support test is not executed again. 6111 return ( this.get = hookFn ).apply( this, arguments ); 6112 } 6113 }; 6114 } 6115 6116 6117 var 6118 6119 // Swappable if display is none or starts with table 6120 // except "table", "table-cell", or "table-caption" 6121 // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display 6122 rdisplayswap = /^(none|table(?!-c[ea]).+)/, 6123 cssShow = { position: "absolute", visibility: "hidden", display: "block" }, 6124 cssNormalTransform = { 6125 letterSpacing: "0", 6126 fontWeight: "400" 6127 }, 6128 6129 cssPrefixes = [ "Webkit", "Moz", "ms" ], 6130 emptyStyle = document.createElement( "div" ).style; 6131 6132 // Return a css property mapped to a potentially vendor prefixed property 6133 function vendorPropName( name ) { 6134 6135 // Shortcut for names that are not vendor prefixed 6136 if ( name in emptyStyle ) { 6137 return name; 6138 } 6139 6140 // Check for vendor prefixed names 6141 var capName = name[ 0 ].toUpperCase() + name.slice( 1 ), 6142 i = cssPrefixes.length; 6143 6144 while ( i-- ) { 6145 name = cssPrefixes[ i ] + capName; 6146 if ( name in emptyStyle ) { 6147 return name; 6148 } 6149 } 6150 } 6151 6152 function setPositiveNumber( elem, value, subtract ) { 6153 6154 // Any relative (+/-) values have already been 6155 // normalized at this point 6156 var matches = rcssNum.exec( value ); 6157 return matches ? 6158 6159 // Guard against undefined "subtract", e.g., when used as in cssHooks 6160 Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) : 6161 value; 6162 } 6163 6164 function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) { 6165 var i = extra === ( isBorderBox ? "border" : "content" ) ? 6166 6167 // If we already have the right measurement, avoid augmentation 6168 4 : 6169 6170 // Otherwise initialize for horizontal or vertical properties 6171 name === "width" ? 1 : 0, 6172 6173 val = 0; 6174 6175 for ( ; i < 4; i += 2 ) { 6176 6177 // Both box models exclude margin, so add it if we want it 6178 if ( extra === "margin" ) { 6179 val += jQuery.css( elem, extra + cssExpand[ i ], true, styles ); 6180 } 6181 6182 if ( isBorderBox ) { 6183 6184 // border-box includes padding, so remove it if we want content 6185 if ( extra === "content" ) { 6186 val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); 6187 } 6188 6189 // At this point, extra isn't border nor margin, so remove border 6190 if ( extra !== "margin" ) { 6191 val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); 6192 } 6193 } else { 6194 6195 // At this point, extra isn't content, so add padding 6196 val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); 6197 6198 // At this point, extra isn't content nor padding, so add border 6199 if ( extra !== "padding" ) { 6200 val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); 6201 } 6202 } 6203 } 6204 6205 return val; 6206 } 6207 6208 function getWidthOrHeight( elem, name, extra ) { 6209 6210 // Start with offset property, which is equivalent to the border-box value 6211 var val, 6212 valueIsBorderBox = true, 6213 styles = getStyles( elem ), 6214 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box"; 6215 6216 // Support: IE <=11 only 6217 // Running getBoundingClientRect on a disconnected node 6218 // in IE throws an error. 6219 if ( elem.getClientRects().length ) { 6220 val = elem.getBoundingClientRect()[ name ]; 6221 } 6222 6223 // Some non-html elements return undefined for offsetWidth, so check for null/undefined 6224 // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285 6225 // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668 6226 if ( val <= 0 || val == null ) { 6227 6228 // Fall back to computed then uncomputed css if necessary 6229 val = curCSS( elem, name, styles ); 6230 if ( val < 0 || val == null ) { 6231 val = elem.style[ name ]; 6232 } 6233 6234 // Computed unit is not pixels. Stop here and return. 6235 if ( rnumnonpx.test( val ) ) { 6236 return val; 6237 } 6238 6239 // Check for style in case a browser which returns unreliable values 6240 // for getComputedStyle silently falls back to the reliable elem.style 6241 valueIsBorderBox = isBorderBox && 6242 ( support.boxSizingReliable() || val === elem.style[ name ] ); 6243 6244 // Normalize "", auto, and prepare for extra 6245 val = parseFloat( val ) || 0; 6246 } 6247 6248 // Use the active box-sizing model to add/subtract irrelevant styles 6249 return ( val + 6250 augmentWidthOrHeight( 6251 elem, 6252 name, 6253 extra || ( isBorderBox ? "border" : "content" ), 6254 valueIsBorderBox, 6255 styles 6256 ) 6257 ) + "px"; 6258 } 6259 6260 jQuery.extend( { 6261 6262 // Add in style property hooks for overriding the default 6263 // behavior of getting and setting a style property 6264 cssHooks: { 6265 opacity: { 6266 get: function( elem, computed ) { 6267 if ( computed ) { 6268 6269 // We should always get a number back from opacity 6270 var ret = curCSS( elem, "opacity" ); 6271 return ret === "" ? "1" : ret; 6272 } 6273 } 6274 } 6275 }, 6276 6277 // Don't automatically add "px" to these possibly-unitless properties 6278 cssNumber: { 6279 "animationIterationCount": true, 6280 "columnCount": true, 6281 "fillOpacity": true, 6282 "flexGrow": true, 6283 "flexShrink": true, 6284 "fontWeight": true, 6285 "lineHeight": true, 6286 "opacity": true, 6287 "order": true, 6288 "orphans": true, 6289 "widows": true, 6290 "zIndex": true, 6291 "zoom": true 6292 }, 6293 6294 // Add in properties whose names you wish to fix before 6295 // setting or getting the value 6296 cssProps: { 6297 "float": "cssFloat" 6298 }, 6299 6300 // Get and set the style property on a DOM Node 6301 style: function( elem, name, value, extra ) { 6302 6303 // Don't set styles on text and comment nodes 6304 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { 6305 return; 6306 } 6307 6308 // Make sure that we're working with the right name 6309 var ret, type, hooks, 6310 origName = jQuery.camelCase( name ), 6311 style = elem.style; 6312 6313 name = jQuery.cssProps[ origName ] || 6314 ( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName ); 6315 6316 // Gets hook for the prefixed version, then unprefixed version 6317 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; 6318 6319 // Check if we're setting a value 6320 if ( value !== undefined ) { 6321 type = typeof value; 6322 6323 // Convert "+=" or "-=" to relative numbers (#7345) 6324 if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) { 6325 value = adjustCSS( elem, name, ret ); 6326 6327 // Fixes bug #9237 6328 type = "number"; 6329 } 6330 6331 // Make sure that null and NaN values aren't set (#7116) 6332 if ( value == null || value !== value ) { 6333 return; 6334 } 6335 6336 // If a number was passed in, add the unit (except for certain CSS properties) 6337 if ( type === "number" ) { 6338 value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" ); 6339 } 6340 6341 // background-* props affect original clone's values 6342 if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) { 6343 style[ name ] = "inherit"; 6344 } 6345 6346 // If a hook was provided, use that value, otherwise just set the specified value 6347 if ( !hooks || !( "set" in hooks ) || 6348 ( value = hooks.set( elem, value, extra ) ) !== undefined ) { 6349 6350 style[ name ] = value; 6351 } 6352 6353 } else { 6354 6355 // If a hook was provided get the non-computed value from there 6356 if ( hooks && "get" in hooks && 6357 ( ret = hooks.get( elem, false, extra ) ) !== undefined ) { 6358 6359 return ret; 6360 } 6361 6362 // Otherwise just get the value from the style object 6363 return style[ name ]; 6364 } 6365 }, 6366 6367 css: function( elem, name, extra, styles ) { 6368 var val, num, hooks, 6369 origName = jQuery.camelCase( name ); 6370 6371 // Make sure that we're working with the right name 6372 name = jQuery.cssProps[ origName ] || 6373 ( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName ); 6374 6375 // Try prefixed name followed by the unprefixed name 6376 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; 6377 6378 // If a hook was provided get the computed value from there 6379 if ( hooks && "get" in hooks ) { 6380 val = hooks.get( elem, true, extra ); 6381 } 6382 6383 // Otherwise, if a way to get the computed value exists, use that 6384 if ( val === undefined ) { 6385 val = curCSS( elem, name, styles ); 6386 } 6387 6388 // Convert "normal" to computed value 6389 if ( val === "normal" && name in cssNormalTransform ) { 6390 val = cssNormalTransform[ name ]; 6391 } 6392 6393 // Make numeric if forced or a qualifier was provided and val looks numeric 6394 if ( extra === "" || extra ) { 6395 num = parseFloat( val ); 6396 return extra === true || isFinite( num ) ? num || 0 : val; 6397 } 6398 return val; 6399 } 6400 } ); 6401 6402 jQuery.each( [ "height", "width" ], function( i, name ) { 6403 jQuery.cssHooks[ name ] = { 6404 get: function( elem, computed, extra ) { 6405 if ( computed ) { 6406 6407 // Certain elements can have dimension info if we invisibly show them 6408 // but it must have a current display style that would benefit 6409 return rdisplayswap.test( jQuery.css( elem, "display" ) ) && 6410 6411 // Support: Safari 8+ 6412 // Table columns in Safari have non-zero offsetWidth & zero 6413 // getBoundingClientRect().width unless display is changed. 6414 // Support: IE <=11 only 6415 // Running getBoundingClientRect on a disconnected node 6416 // in IE throws an error. 6417 ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ? 6418 swap( elem, cssShow, function() { 6419 return getWidthOrHeight( elem, name, extra ); 6420 } ) : 6421 getWidthOrHeight( elem, name, extra ); 6422 } 6423 }, 6424 6425 set: function( elem, value, extra ) { 6426 var matches, 6427 styles = extra && getStyles( elem ), 6428 subtract = extra && augmentWidthOrHeight( 6429 elem, 6430 name, 6431 extra, 6432 jQuery.css( elem, "boxSizing", false, styles ) === "border-box", 6433 styles 6434 ); 6435 6436 // Convert to pixels if value adjustment is needed 6437 if ( subtract && ( matches = rcssNum.exec( value ) ) && 6438 ( matches[ 3 ] || "px" ) !== "px" ) { 6439 6440 elem.style[ name ] = value; 6441 value = jQuery.css( elem, name ); 6442 } 6443 6444 return setPositiveNumber( elem, value, subtract ); 6445 } 6446 }; 6447 } ); 6448 6449 jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft, 6450 function( elem, computed ) { 6451 if ( computed ) { 6452 return ( parseFloat( curCSS( elem, "marginLeft" ) ) || 6453 elem.getBoundingClientRect().left - 6454 swap( elem, { marginLeft: 0 }, function() { 6455 return elem.getBoundingClientRect().left; 6456 } ) 6457 ) + "px"; 6458 } 6459 } 6460 ); 6461 6462 // These hooks are used by animate to expand properties 6463 jQuery.each( { 6464 margin: "", 6465 padding: "", 6466 border: "Width" 6467 }, function( prefix, suffix ) { 6468 jQuery.cssHooks[ prefix + suffix ] = { 6469 expand: function( value ) { 6470 var i = 0, 6471 expanded = {}, 6472 6473 // Assumes a single number if not a string 6474 parts = typeof value === "string" ? value.split( " " ) : [ value ]; 6475 6476 for ( ; i < 4; i++ ) { 6477 expanded[ prefix + cssExpand[ i ] + suffix ] = 6478 parts[ i ] || parts[ i - 2 ] || parts[ 0 ]; 6479 } 6480 6481 return expanded; 6482 } 6483 }; 6484 6485 if ( !rmargin.test( prefix ) ) { 6486 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber; 6487 } 6488 } ); 6489 6490 jQuery.fn.extend( { 6491 css: function( name, value ) { 6492 return access( this, function( elem, name, value ) { 6493 var styles, len, 6494 map = {}, 6495 i = 0; 6496 6497 if ( jQuery.isArray( name ) ) { 6498 styles = getStyles( elem ); 6499 len = name.length; 6500 6501 for ( ; i < len; i++ ) { 6502 map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles ); 6503 } 6504 6505 return map; 6506 } 6507 6508 return value !== undefined ? 6509 jQuery.style( elem, name, value ) : 6510 jQuery.css( elem, name ); 6511 }, name, value, arguments.length > 1 ); 6512 } 6513 } ); 6514 6515 6516 function Tween( elem, options, prop, end, easing ) { 6517 return new Tween.prototype.init( elem, options, prop, end, easing ); 6518 } 6519 jQuery.Tween = Tween; 6520 6521 Tween.prototype = { 6522 constructor: Tween, 6523 init: function( elem, options, prop, end, easing, unit ) { 6524 this.elem = elem; 6525 this.prop = prop; 6526 this.easing = easing || jQuery.easing._default; 6527 this.options = options; 6528 this.start = this.now = this.cur(); 6529 this.end = end; 6530 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" ); 6531 }, 6532 cur: function() { 6533 var hooks = Tween.propHooks[ this.prop ]; 6534 6535 return hooks && hooks.get ? 6536 hooks.get( this ) : 6537 Tween.propHooks._default.get( this ); 6538 }, 6539 run: function( percent ) { 6540 var eased, 6541 hooks = Tween.propHooks[ this.prop ]; 6542 6543 if ( this.options.duration ) { 6544 this.pos = eased = jQuery.easing[ this.easing ]( 6545 percent, this.options.duration * percent, 0, 1, this.options.duration 6546 ); 6547 } else { 6548 this.pos = eased = percent; 6549 } 6550 this.now = ( this.end - this.start ) * eased + this.start; 6551 6552 if ( this.options.step ) { 6553 this.options.step.call( this.elem, this.now, this ); 6554 } 6555 6556 if ( hooks && hooks.set ) { 6557 hooks.set( this ); 6558 } else { 6559 Tween.propHooks._default.set( this ); 6560 } 6561 return this; 6562 } 6563 }; 6564 6565 Tween.prototype.init.prototype = Tween.prototype; 6566 6567 Tween.propHooks = { 6568 _default: { 6569 get: function( tween ) { 6570 var result; 6571 6572 // Use a property on the element directly when it is not a DOM element, 6573 // or when there is no matching style property that exists. 6574 if ( tween.elem.nodeType !== 1 || 6575 tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) { 6576 return tween.elem[ tween.prop ]; 6577 } 6578 6579 // Passing an empty string as a 3rd parameter to .css will automatically 6580 // attempt a parseFloat and fallback to a string if the parse fails. 6581 // Simple values such as "10px" are parsed to Float; 6582 // complex values such as "rotate(1rad)" are returned as-is. 6583 result = jQuery.css( tween.elem, tween.prop, "" ); 6584 6585 // Empty strings, null, undefined and "auto" are converted to 0. 6586 return !result || result === "auto" ? 0 : result; 6587 }, 6588 set: function( tween ) { 6589 6590 // Use step hook for back compat. 6591 // Use cssHook if its there. 6592 // Use .style if available and use plain properties where available. 6593 if ( jQuery.fx.step[ tween.prop ] ) { 6594 jQuery.fx.step[ tween.prop ]( tween ); 6595 } else if ( tween.elem.nodeType === 1 && 6596 ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || 6597 jQuery.cssHooks[ tween.prop ] ) ) { 6598 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); 6599 } else { 6600 tween.elem[ tween.prop ] = tween.now; 6601 } 6602 } 6603 } 6604 }; 6605 6606 // Support: IE <=9 only 6607 // Panic based approach to setting things on disconnected nodes 6608 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { 6609 set: function( tween ) { 6610 if ( tween.elem.nodeType && tween.elem.parentNode ) { 6611 tween.elem[ tween.prop ] = tween.now; 6612 } 6613 } 6614 }; 6615 6616 jQuery.easing = { 6617 linear: function( p ) { 6618 return p; 6619 }, 6620 swing: function( p ) { 6621 return 0.5 - Math.cos( p * Math.PI ) / 2; 6622 }, 6623 _default: "swing" 6624 }; 6625 6626 jQuery.fx = Tween.prototype.init; 6627 6628 // Back compat <1.8 extension point 6629 jQuery.fx.step = {}; 6630 6631 6632 6633 6634 var 6635 fxNow, timerId, 6636 rfxtypes = /^(?:toggle|show|hide)$/, 6637 rrun = /queueHooks$/; 6638 6639 function raf() { 6640 if ( timerId ) { 6641 window.requestAnimationFrame( raf ); 6642 jQuery.fx.tick(); 6643 } 6644 } 6645 6646 // Animations created synchronously will run synchronously 6647 function createFxNow() { 6648 window.setTimeout( function() { 6649 fxNow = undefined; 6650 } ); 6651 return ( fxNow = jQuery.now() ); 6652 } 6653 6654 // Generate parameters to create a standard animation 6655 function genFx( type, includeWidth ) { 6656 var which, 6657 i = 0, 6658 attrs = { height: type }; 6659 6660 // If we include width, step value is 1 to do all cssExpand values, 6661 // otherwise step value is 2 to skip over Left and Right 6662 includeWidth = includeWidth ? 1 : 0; 6663 for ( ; i < 4; i += 2 - includeWidth ) { 6664 which = cssExpand[ i ]; 6665 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type; 6666 } 6667 6668 if ( includeWidth ) { 6669 attrs.opacity = attrs.width = type; 6670 } 6671 6672 return attrs; 6673 } 6674 6675 function createTween( value, prop, animation ) { 6676 var tween, 6677 collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ), 6678 index = 0, 6679 length = collection.length; 6680 for ( ; index < length; index++ ) { 6681 if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) { 6682 6683 // We're done with this property 6684 return tween; 6685 } 6686 } 6687 } 6688 6689 function defaultPrefilter( elem, props, opts ) { 6690 var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display, 6691 isBox = "width" in props || "height" in props, 6692 anim = this, 6693 orig = {}, 6694 style = elem.style, 6695 hidden = elem.nodeType && isHiddenWithinTree( elem ), 6696 dataShow = dataPriv.get( elem, "fxshow" ); 6697 6698 // Queue-skipping animations hijack the fx hooks 6699 if ( !opts.queue ) { 6700 hooks = jQuery._queueHooks( elem, "fx" ); 6701 if ( hooks.unqueued == null ) { 6702 hooks.unqueued = 0; 6703 oldfire = hooks.empty.fire; 6704 hooks.empty.fire = function() { 6705 if ( !hooks.unqueued ) { 6706 oldfire(); 6707 } 6708 }; 6709 } 6710 hooks.unqueued++; 6711 6712 anim.always( function() { 6713 6714 // Ensure the complete handler is called before this completes 6715 anim.always( function() { 6716 hooks.unqueued--; 6717 if ( !jQuery.queue( elem, "fx" ).length ) { 6718 hooks.empty.fire(); 6719 } 6720 } ); 6721 } ); 6722 } 6723 6724 // Detect show/hide animations 6725 for ( prop in props ) { 6726 value = props[ prop ]; 6727 if ( rfxtypes.test( value ) ) { 6728 delete props[ prop ]; 6729 toggle = toggle || value === "toggle"; 6730 if ( value === ( hidden ? "hide" : "show" ) ) { 6731 6732 // Pretend to be hidden if this is a "show" and 6733 // there is still data from a stopped show/hide 6734 if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) { 6735 hidden = true; 6736 6737 // Ignore all other no-op show/hide data 6738 } else { 6739 continue; 6740 } 6741 } 6742 orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop ); 6743 } 6744 } 6745 6746 // Bail out if this is a no-op like .hide().hide() 6747 propTween = !jQuery.isEmptyObject( props ); 6748 if ( !propTween && jQuery.isEmptyObject( orig ) ) { 6749 return; 6750 } 6751 6752 // Restrict "overflow" and "display" styles during box animations 6753 if ( isBox && elem.nodeType === 1 ) { 6754 6755 // Support: IE <=9 - 11, Edge 12 - 13 6756 // Record all 3 overflow attributes because IE does not infer the shorthand 6757 // from identically-valued overflowX and overflowY 6758 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ]; 6759 6760 // Identify a display type, preferring old show/hide data over the CSS cascade 6761 restoreDisplay = dataShow && dataShow.display; 6762 if ( restoreDisplay == null ) { 6763 restoreDisplay = dataPriv.get( elem, "display" ); 6764 } 6765 display = jQuery.css( elem, "display" ); 6766 if ( display === "none" ) { 6767 if ( restoreDisplay ) { 6768 display = restoreDisplay; 6769 } else { 6770 6771 // Get nonempty value(s) by temporarily forcing visibility 6772 showHide( [ elem ], true ); 6773 restoreDisplay = elem.style.display || restoreDisplay; 6774 display = jQuery.css( elem, "display" ); 6775 showHide( [ elem ] ); 6776 } 6777 } 6778 6779 // Animate inline elements as inline-block 6780 if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) { 6781 if ( jQuery.css( elem, "float" ) === "none" ) { 6782 6783 // Restore the original display value at the end of pure show/hide animations 6784 if ( !propTween ) { 6785 anim.done( function() { 6786 style.display = restoreDisplay; 6787 } ); 6788 if ( restoreDisplay == null ) { 6789 display = style.display; 6790 restoreDisplay = display === "none" ? "" : display; 6791 } 6792 } 6793 style.display = "inline-block"; 6794 } 6795 } 6796 } 6797 6798 if ( opts.overflow ) { 6799 style.overflow = "hidden"; 6800 anim.always( function() { 6801 style.overflow = opts.overflow[ 0 ]; 6802 style.overflowX = opts.overflow[ 1 ]; 6803 style.overflowY = opts.overflow[ 2 ]; 6804 } ); 6805 } 6806 6807 // Implement show/hide animations 6808 propTween = false; 6809 for ( prop in orig ) { 6810 6811 // General show/hide setup for this element animation 6812 if ( !propTween ) { 6813 if ( dataShow ) { 6814 if ( "hidden" in dataShow ) { 6815 hidden = dataShow.hidden; 6816 } 6817 } else { 6818 dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } ); 6819 } 6820 6821 // Store hidden/visible for toggle so `.stop().toggle()` "reverses" 6822 if ( toggle ) { 6823 dataShow.hidden = !hidden; 6824 } 6825 6826 // Show elements before animating them 6827 if ( hidden ) { 6828 showHide( [ elem ], true ); 6829 } 6830 6831 /* eslint-disable no-loop-func */ 6832 6833 anim.done( function() { 6834 6835 /* eslint-enable no-loop-func */ 6836 6837 // The final step of a "hide" animation is actually hiding the element 6838 if ( !hidden ) { 6839 showHide( [ elem ] ); 6840 } 6841 dataPriv.remove( elem, "fxshow" ); 6842 for ( prop in orig ) { 6843 jQuery.style( elem, prop, orig[ prop ] ); 6844 } 6845 } ); 6846 } 6847 6848 // Per-property setup 6849 propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim ); 6850 if ( !( prop in dataShow ) ) { 6851 dataShow[ prop ] = propTween.start; 6852 if ( hidden ) { 6853 propTween.end = propTween.start; 6854 propTween.start = 0; 6855 } 6856 } 6857 } 6858 } 6859 6860 function propFilter( props, specialEasing ) { 6861 var index, name, easing, value, hooks; 6862 6863 // camelCase, specialEasing and expand cssHook pass 6864 for ( index in props ) { 6865 name = jQuery.camelCase( index ); 6866 easing = specialEasing[ name ]; 6867 value = props[ index ]; 6868 if ( jQuery.isArray( value ) ) { 6869 easing = value[ 1 ]; 6870 value = props[ index ] = value[ 0 ]; 6871 } 6872 6873 if ( index !== name ) { 6874 props[ name ] = value; 6875 delete props[ index ]; 6876 } 6877 6878 hooks = jQuery.cssHooks[ name ]; 6879 if ( hooks && "expand" in hooks ) { 6880 value = hooks.expand( value ); 6881 delete props[ name ]; 6882 6883 // Not quite $.extend, this won't overwrite existing keys. 6884 // Reusing 'index' because we have the correct "name" 6885 for ( index in value ) { 6886 if ( !( index in props ) ) { 6887 props[ index ] = value[ index ]; 6888 specialEasing[ index ] = easing; 6889 } 6890 } 6891 } else { 6892 specialEasing[ name ] = easing; 6893 } 6894 } 6895 } 6896 6897 function Animation( elem, properties, options ) { 6898 var result, 6899 stopped, 6900 index = 0, 6901 length = Animation.prefilters.length, 6902 deferred = jQuery.Deferred().always( function() { 6903 6904 // Don't match elem in the :animated selector 6905 delete tick.elem; 6906 } ), 6907 tick = function() { 6908 if ( stopped ) { 6909 return false; 6910 } 6911 var currentTime = fxNow || createFxNow(), 6912 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ), 6913 6914 // Support: Android 2.3 only 6915 // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497) 6916 temp = remaining / animation.duration || 0, 6917 percent = 1 - temp, 6918 index = 0, 6919 length = animation.tweens.length; 6920 6921 for ( ; index < length; index++ ) { 6922 animation.tweens[ index ].run( percent ); 6923 } 6924 6925 deferred.notifyWith( elem, [ animation, percent, remaining ] ); 6926 6927 if ( percent < 1 && length ) { 6928 return remaining; 6929 } else { 6930 deferred.resolveWith( elem, [ animation ] ); 6931 return false; 6932 } 6933 }, 6934 animation = deferred.promise( { 6935 elem: elem, 6936 props: jQuery.extend( {}, properties ), 6937 opts: jQuery.extend( true, { 6938 specialEasing: {}, 6939 easing: jQuery.easing._default 6940 }, options ), 6941 originalProperties: properties, 6942 originalOptions: options, 6943 startTime: fxNow || createFxNow(), 6944 duration: options.duration, 6945 tweens: [], 6946 createTween: function( prop, end ) { 6947 var tween = jQuery.Tween( elem, animation.opts, prop, end, 6948 animation.opts.specialEasing[ prop ] || animation.opts.easing ); 6949 animation.tweens.push( tween ); 6950 return tween; 6951 }, 6952 stop: function( gotoEnd ) { 6953 var index = 0, 6954 6955 // If we are going to the end, we want to run all the tweens 6956 // otherwise we skip this part 6957 length = gotoEnd ? animation.tweens.length : 0; 6958 if ( stopped ) { 6959 return this; 6960 } 6961 stopped = true; 6962 for ( ; index < length; index++ ) { 6963 animation.tweens[ index ].run( 1 ); 6964 } 6965 6966 // Resolve when we played the last frame; otherwise, reject 6967 if ( gotoEnd ) { 6968 deferred.notifyWith( elem, [ animation, 1, 0 ] ); 6969 deferred.resolveWith( elem, [ animation, gotoEnd ] ); 6970 } else { 6971 deferred.rejectWith( elem, [ animation, gotoEnd ] ); 6972 } 6973 return this; 6974 } 6975 } ), 6976 props = animation.props; 6977 6978 propFilter( props, animation.opts.specialEasing ); 6979 6980 for ( ; index < length; index++ ) { 6981 result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts ); 6982 if ( result ) { 6983 if ( jQuery.isFunction( result.stop ) ) { 6984 jQuery._queueHooks( animation.elem, animation.opts.queue ).stop = 6985 jQuery.proxy( result.stop, result ); 6986 } 6987 return result; 6988 } 6989 } 6990 6991 jQuery.map( props, createTween, animation ); 6992 6993 if ( jQuery.isFunction( animation.opts.start ) ) { 6994 animation.opts.start.call( elem, animation ); 6995 } 6996 6997 jQuery.fx.timer( 6998 jQuery.extend( tick, { 6999 elem: elem, 7000 anim: animation, 7001 queue: animation.opts.queue 7002 } ) 7003 ); 7004 7005 // attach callbacks from options 7006 return animation.progress( animation.opts.progress ) 7007 .done( animation.opts.done, animation.opts.complete ) 7008 .fail( animation.opts.fail ) 7009 .always( animation.opts.always ); 7010 } 7011 7012 jQuery.Animation = jQuery.extend( Animation, { 7013 7014 tweeners: { 7015 "*": [ function( prop, value ) { 7016 var tween = this.createTween( prop, value ); 7017 adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween ); 7018 return tween; 7019 } ] 7020 }, 7021 7022 tweener: function( props, callback ) { 7023 if ( jQuery.isFunction( props ) ) { 7024 callback = props; 7025 props = [ "*" ]; 7026 } else { 7027 props = props.match( rnotwhite ); 7028 } 7029 7030 var prop, 7031 index = 0, 7032 length = props.length; 7033 7034 for ( ; index < length; index++ ) { 7035 prop = props[ index ]; 7036 Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || []; 7037 Animation.tweeners[ prop ].unshift( callback ); 7038 } 7039 }, 7040 7041 prefilters: [ defaultPrefilter ], 7042 7043 prefilter: function( callback, prepend ) { 7044 if ( prepend ) { 7045 Animation.prefilters.unshift( callback ); 7046 } else { 7047 Animation.prefilters.push( callback ); 7048 } 7049 } 7050 } ); 7051 7052 jQuery.speed = function( speed, easing, fn ) { 7053 var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : { 7054 complete: fn || !fn && easing || 7055 jQuery.isFunction( speed ) && speed, 7056 duration: speed, 7057 easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing 7058 }; 7059 7060 // Go to the end state if fx are off or if document is hidden 7061 if ( jQuery.fx.off || document.hidden ) { 7062 opt.duration = 0; 7063 7064 } else { 7065 opt.duration = typeof opt.duration === "number" ? 7066 opt.duration : opt.duration in jQuery.fx.speeds ? 7067 jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default; 7068 } 7069 7070 // Normalize opt.queue - true/undefined/null -> "fx" 7071 if ( opt.queue == null || opt.queue === true ) { 7072 opt.queue = "fx"; 7073 } 7074 7075 // Queueing 7076 opt.old = opt.complete; 7077 7078 opt.complete = function() { 7079 if ( jQuery.isFunction( opt.old ) ) { 7080 opt.old.call( this ); 7081 } 7082 7083 if ( opt.queue ) { 7084 jQuery.dequeue( this, opt.queue ); 7085 } 7086 }; 7087 7088 return opt; 7089 }; 7090 7091 jQuery.fn.extend( { 7092 fadeTo: function( speed, to, easing, callback ) { 7093 7094 // Show any hidden elements after setting opacity to 0 7095 return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show() 7096 7097 // Animate to the value specified 7098 .end().animate( { opacity: to }, speed, easing, callback ); 7099 }, 7100 animate: function( prop, speed, easing, callback ) { 7101 var empty = jQuery.isEmptyObject( prop ), 7102 optall = jQuery.speed( speed, easing, callback ), 7103 doAnimation = function() { 7104 7105 // Operate on a copy of prop so per-property easing won't be lost 7106 var anim = Animation( this, jQuery.extend( {}, prop ), optall ); 7107 7108 // Empty animations, or finishing resolves immediately 7109 if ( empty || dataPriv.get( this, "finish" ) ) { 7110 anim.stop( true ); 7111 } 7112 }; 7113 doAnimation.finish = doAnimation; 7114 7115 return empty || optall.queue === false ? 7116 this.each( doAnimation ) : 7117 this.queue( optall.queue, doAnimation ); 7118 }, 7119 stop: function( type, clearQueue, gotoEnd ) { 7120 var stopQueue = function( hooks ) { 7121 var stop = hooks.stop; 7122 delete hooks.stop; 7123 stop( gotoEnd ); 7124 }; 7125 7126 if ( typeof type !== "string" ) { 7127 gotoEnd = clearQueue; 7128 clearQueue = type; 7129 type = undefined; 7130 } 7131 if ( clearQueue && type !== false ) { 7132 this.queue( type || "fx", [] ); 7133 } 7134 7135 return this.each( function() { 7136 var dequeue = true, 7137 index = type != null && type + "queueHooks", 7138 timers = jQuery.timers, 7139 data = dataPriv.get( this ); 7140 7141 if ( index ) { 7142 if ( data[ index ] && data[ index ].stop ) { 7143 stopQueue( data[ index ] ); 7144 } 7145 } else { 7146 for ( index in data ) { 7147 if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) { 7148 stopQueue( data[ index ] ); 7149 } 7150 } 7151 } 7152 7153 for ( index = timers.length; index--; ) { 7154 if ( timers[ index ].elem === this && 7155 ( type == null || timers[ index ].queue === type ) ) { 7156 7157 timers[ index ].anim.stop( gotoEnd ); 7158 dequeue = false; 7159 timers.splice( index, 1 ); 7160 } 7161 } 7162 7163 // Start the next in the queue if the last step wasn't forced. 7164 // Timers currently will call their complete callbacks, which 7165 // will dequeue but only if they were gotoEnd. 7166 if ( dequeue || !gotoEnd ) { 7167 jQuery.dequeue( this, type ); 7168 } 7169 } ); 7170 }, 7171 finish: function( type ) { 7172 if ( type !== false ) { 7173 type = type || "fx"; 7174 } 7175 return this.each( function() { 7176 var index, 7177 data = dataPriv.get( this ), 7178 queue = data[ type + "queue" ], 7179 hooks = data[ type + "queueHooks" ], 7180 timers = jQuery.timers, 7181 length = queue ? queue.length : 0; 7182 7183 // Enable finishing flag on private data 7184 data.finish = true; 7185 7186 // Empty the queue first 7187 jQuery.queue( this, type, [] ); 7188 7189 if ( hooks && hooks.stop ) { 7190 hooks.stop.call( this, true ); 7191 } 7192 7193 // Look for any active animations, and finish them 7194 for ( index = timers.length; index--; ) { 7195 if ( timers[ index ].elem === this && timers[ index ].queue === type ) { 7196 timers[ index ].anim.stop( true ); 7197 timers.splice( index, 1 ); 7198 } 7199 } 7200 7201 // Look for any animations in the old queue and finish them 7202 for ( index = 0; index < length; index++ ) { 7203 if ( queue[ index ] && queue[ index ].finish ) { 7204 queue[ index ].finish.call( this ); 7205 } 7206 } 7207 7208 // Turn off finishing flag 7209 delete data.finish; 7210 } ); 7211 } 7212 } ); 7213 7214 jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) { 7215 var cssFn = jQuery.fn[ name ]; 7216 jQuery.fn[ name ] = function( speed, easing, callback ) { 7217 return speed == null || typeof speed === "boolean" ? 7218 cssFn.apply( this, arguments ) : 7219 this.animate( genFx( name, true ), speed, easing, callback ); 7220 }; 7221 } ); 7222 7223 // Generate shortcuts for custom animations 7224 jQuery.each( { 7225 slideDown: genFx( "show" ), 7226 slideUp: genFx( "hide" ), 7227 slideToggle: genFx( "toggle" ), 7228 fadeIn: { opacity: "show" }, 7229 fadeOut: { opacity: "hide" }, 7230 fadeToggle: { opacity: "toggle" } 7231 }, function( name, props ) { 7232 jQuery.fn[ name ] = function( speed, easing, callback ) { 7233 return this.animate( props, speed, easing, callback ); 7234 }; 7235 } ); 7236 7237 jQuery.timers = []; 7238 jQuery.fx.tick = function() { 7239 var timer, 7240 i = 0, 7241 timers = jQuery.timers; 7242 7243 fxNow = jQuery.now(); 7244 7245 for ( ; i < timers.length; i++ ) { 7246 timer = timers[ i ]; 7247 7248 // Checks the timer has not already been removed 7249 if ( !timer() && timers[ i ] === timer ) { 7250 timers.splice( i--, 1 ); 7251 } 7252 } 7253 7254 if ( !timers.length ) { 7255 jQuery.fx.stop(); 7256 } 7257 fxNow = undefined; 7258 }; 7259 7260 jQuery.fx.timer = function( timer ) { 7261 jQuery.timers.push( timer ); 7262 if ( timer() ) { 7263 jQuery.fx.start(); 7264 } else { 7265 jQuery.timers.pop(); 7266 } 7267 }; 7268 7269 jQuery.fx.interval = 13; 7270 jQuery.fx.start = function() { 7271 if ( !timerId ) { 7272 timerId = window.requestAnimationFrame ? 7273 window.requestAnimationFrame( raf ) : 7274 window.setInterval( jQuery.fx.tick, jQuery.fx.interval ); 7275 } 7276 }; 7277 7278 jQuery.fx.stop = function() { 7279 if ( window.cancelAnimationFrame ) { 7280 window.cancelAnimationFrame( timerId ); 7281 } else { 7282 window.clearInterval( timerId ); 7283 } 7284 7285 timerId = null; 7286 }; 7287 7288 jQuery.fx.speeds = { 7289 slow: 600, 7290 fast: 200, 7291 7292 // Default speed 7293 _default: 400 7294 }; 7295 7296 7297 // Based off of the plugin by Clint Helfers, with permission. 7298 // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/ 7299 jQuery.fn.delay = function( time, type ) { 7300 time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time; 7301 type = type || "fx"; 7302 7303 return this.queue( type, function( next, hooks ) { 7304 var timeout = window.setTimeout( next, time ); 7305 hooks.stop = function() { 7306 window.clearTimeout( timeout ); 7307 }; 7308 } ); 7309 }; 7310 7311 7312 ( function() { 7313 var input = document.createElement( "input" ), 7314 select = document.createElement( "select" ), 7315 opt = select.appendChild( document.createElement( "option" ) ); 7316 7317 input.type = "checkbox"; 7318 7319 // Support: Android <=4.3 only 7320 // Default value for a checkbox should be "on" 7321 support.checkOn = input.value !== ""; 7322 7323 // Support: IE <=11 only 7324 // Must access selectedIndex to make default options select 7325 support.optSelected = opt.selected; 7326 7327 // Support: IE <=11 only 7328 // An input loses its value after becoming a radio 7329 input = document.createElement( "input" ); 7330 input.value = "t"; 7331 input.type = "radio"; 7332 support.radioValue = input.value === "t"; 7333 } )(); 7334 7335 7336 var boolHook, 7337 attrHandle = jQuery.expr.attrHandle; 7338 7339 jQuery.fn.extend( { 7340 attr: function( name, value ) { 7341 return access( this, jQuery.attr, name, value, arguments.length > 1 ); 7342 }, 7343 7344 removeAttr: function( name ) { 7345 return this.each( function() { 7346 jQuery.removeAttr( this, name ); 7347 } ); 7348 } 7349 } ); 7350 7351 jQuery.extend( { 7352 attr: function( elem, name, value ) { 7353 var ret, hooks, 7354 nType = elem.nodeType; 7355 7356 // Don't get/set attributes on text, comment and attribute nodes 7357 if ( nType === 3 || nType === 8 || nType === 2 ) { 7358 return; 7359 } 7360 7361 // Fallback to prop when attributes are not supported 7362 if ( typeof elem.getAttribute === "undefined" ) { 7363 return jQuery.prop( elem, name, value ); 7364 } 7365 7366 // Attribute hooks are determined by the lowercase version 7367 // Grab necessary hook if one is defined 7368 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { 7369 hooks = jQuery.attrHooks[ name.toLowerCase() ] || 7370 ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined ); 7371 } 7372 7373 if ( value !== undefined ) { 7374 if ( value === null ) { 7375 jQuery.removeAttr( elem, name ); 7376 return; 7377 } 7378 7379 if ( hooks && "set" in hooks && 7380 ( ret = hooks.set( elem, value, name ) ) !== undefined ) { 7381 return ret; 7382 } 7383 7384 elem.setAttribute( name, value + "" ); 7385 return value; 7386 } 7387 7388 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { 7389 return ret; 7390 } 7391 7392 ret = jQuery.find.attr( elem, name ); 7393 7394 // Non-existent attributes return null, we normalize to undefined 7395 return ret == null ? undefined : ret; 7396 }, 7397 7398 attrHooks: { 7399 type: { 7400 set: function( elem, value ) { 7401 if ( !support.radioValue && value === "radio" && 7402 jQuery.nodeName( elem, "input" ) ) { 7403 var val = elem.value; 7404 elem.setAttribute( "type", value ); 7405 if ( val ) { 7406 elem.value = val; 7407 } 7408 return value; 7409 } 7410 } 7411 } 7412 }, 7413 7414 removeAttr: function( elem, value ) { 7415 var name, 7416 i = 0, 7417 attrNames = value && value.match( rnotwhite ); 7418 7419 if ( attrNames && elem.nodeType === 1 ) { 7420 while ( ( name = attrNames[ i++ ] ) ) { 7421 elem.removeAttribute( name ); 7422 } 7423 } 7424 } 7425 } ); 7426 7427 // Hooks for boolean attributes 7428 boolHook = { 7429 set: function( elem, value, name ) { 7430 if ( value === false ) { 7431 7432 // Remove boolean attributes when set to false 7433 jQuery.removeAttr( elem, name ); 7434 } else { 7435 elem.setAttribute( name, name ); 7436 } 7437 return name; 7438 } 7439 }; 7440 7441 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) { 7442 var getter = attrHandle[ name ] || jQuery.find.attr; 7443 7444 attrHandle[ name ] = function( elem, name, isXML ) { 7445 var ret, handle, 7446 lowercaseName = name.toLowerCase(); 7447 7448 if ( !isXML ) { 7449 7450 // Avoid an infinite loop by temporarily removing this function from the getter 7451 handle = attrHandle[ lowercaseName ]; 7452 attrHandle[ lowercaseName ] = ret; 7453 ret = getter( elem, name, isXML ) != null ? 7454 lowercaseName : 7455 null; 7456 attrHandle[ lowercaseName ] = handle; 7457 } 7458 return ret; 7459 }; 7460 } ); 7461 7462 7463 7464 7465 var rfocusable = /^(?:input|select|textarea|button)$/i, 7466 rclickable = /^(?:a|area)$/i; 7467 7468 jQuery.fn.extend( { 7469 prop: function( name, value ) { 7470 return access( this, jQuery.prop, name, value, arguments.length > 1 ); 7471 }, 7472 7473 removeProp: function( name ) { 7474 return this.each( function() { 7475 delete this[ jQuery.propFix[ name ] || name ]; 7476 } ); 7477 } 7478 } ); 7479 7480 jQuery.extend( { 7481 prop: function( elem, name, value ) { 7482 var ret, hooks, 7483 nType = elem.nodeType; 7484 7485 // Don't get/set properties on text, comment and attribute nodes 7486 if ( nType === 3 || nType === 8 || nType === 2 ) { 7487 return; 7488 } 7489 7490 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { 7491 7492 // Fix name and attach hooks 7493 name = jQuery.propFix[ name ] || name; 7494 hooks = jQuery.propHooks[ name ]; 7495 } 7496 7497 if ( value !== undefined ) { 7498 if ( hooks && "set" in hooks && 7499 ( ret = hooks.set( elem, value, name ) ) !== undefined ) { 7500 return ret; 7501 } 7502 7503 return ( elem[ name ] = value ); 7504 } 7505 7506 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { 7507 return ret; 7508 } 7509 7510 return elem[ name ]; 7511 }, 7512 7513 propHooks: { 7514 tabIndex: { 7515 get: function( elem ) { 7516 7517 // Support: IE <=9 - 11 only 7518 // elem.tabIndex doesn't always return the 7519 // correct value when it hasn't been explicitly set 7520 // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ 7521 // Use proper attribute retrieval(#12072) 7522 var tabindex = jQuery.find.attr( elem, "tabindex" ); 7523 7524 return tabindex ? 7525 parseInt( tabindex, 10 ) : 7526 rfocusable.test( elem.nodeName ) || 7527 rclickable.test( elem.nodeName ) && elem.href ? 7528 0 : 7529 -1; 7530 } 7531 } 7532 }, 7533 7534 propFix: { 7535 "for": "htmlFor", 7536 "class": "className" 7537 } 7538 } ); 7539 7540 // Support: IE <=11 only 7541 // Accessing the selectedIndex property 7542 // forces the browser to respect setting selected 7543 // on the option 7544 // The getter ensures a default option is selected 7545 // when in an optgroup 7546 if ( !support.optSelected ) { 7547 jQuery.propHooks.selected = { 7548 get: function( elem ) { 7549 var parent = elem.parentNode; 7550 if ( parent && parent.parentNode ) { 7551 parent.parentNode.selectedIndex; 7552 } 7553 return null; 7554 }, 7555 set: function( elem ) { 7556 var parent = elem.parentNode; 7557 if ( parent ) { 7558 parent.selectedIndex; 7559 7560 if ( parent.parentNode ) { 7561 parent.parentNode.selectedIndex; 7562 } 7563 } 7564 } 7565 }; 7566 } 7567 7568 jQuery.each( [ 7569 "tabIndex", 7570 "readOnly", 7571 "maxLength", 7572 "cellSpacing", 7573 "cellPadding", 7574 "rowSpan", 7575 "colSpan", 7576 "useMap", 7577 "frameBorder", 7578 "contentEditable" 7579 ], function() { 7580 jQuery.propFix[ this.toLowerCase() ] = this; 7581 } ); 7582 7583 7584 7585 7586 var rclass = /[\t\r\n\f]/g; 7587 7588 function getClass( elem ) { 7589 return elem.getAttribute && elem.getAttribute( "class" ) || ""; 7590 } 7591 7592 jQuery.fn.extend( { 7593 addClass: function( value ) { 7594 var classes, elem, cur, curValue, clazz, j, finalValue, 7595 i = 0; 7596 7597 if ( jQuery.isFunction( value ) ) { 7598 return this.each( function( j ) { 7599 jQuery( this ).addClass( value.call( this, j, getClass( this ) ) ); 7600 } ); 7601 } 7602 7603 if ( typeof value === "string" && value ) { 7604 classes = value.match( rnotwhite ) || []; 7605 7606 while ( ( elem = this[ i++ ] ) ) { 7607 curValue = getClass( elem ); 7608 cur = elem.nodeType === 1 && 7609 ( " " + curValue + " " ).replace( rclass, " " ); 7610 7611 if ( cur ) { 7612 j = 0; 7613 while ( ( clazz = classes[ j++ ] ) ) { 7614 if ( cur.indexOf( " " + clazz + " " ) < 0 ) { 7615 cur += clazz + " "; 7616 } 7617 } 7618 7619 // Only assign if different to avoid unneeded rendering. 7620 finalValue = jQuery.trim( cur ); 7621 if ( curValue !== finalValue ) { 7622 elem.setAttribute( "class", finalValue ); 7623 } 7624 } 7625 } 7626 } 7627 7628 return this; 7629 }, 7630 7631 removeClass: function( value ) { 7632 var classes, elem, cur, curValue, clazz, j, finalValue, 7633 i = 0; 7634 7635 if ( jQuery.isFunction( value ) ) { 7636 return this.each( function( j ) { 7637 jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) ); 7638 } ); 7639 } 7640 7641 if ( !arguments.length ) { 7642 return this.attr( "class", "" ); 7643 } 7644 7645 if ( typeof value === "string" && value ) { 7646 classes = value.match( rnotwhite ) || []; 7647 7648 while ( ( elem = this[ i++ ] ) ) { 7649 curValue = getClass( elem ); 7650 7651 // This expression is here for better compressibility (see addClass) 7652 cur = elem.nodeType === 1 && 7653 ( " " + curValue + " " ).replace( rclass, " " ); 7654 7655 if ( cur ) { 7656 j = 0; 7657 while ( ( clazz = classes[ j++ ] ) ) { 7658 7659 // Remove *all* instances 7660 while ( cur.indexOf( " " + clazz + " " ) > -1 ) { 7661 cur = cur.replace( " " + clazz + " ", " " ); 7662 } 7663 } 7664 7665 // Only assign if different to avoid unneeded rendering. 7666 finalValue = jQuery.trim( cur ); 7667 if ( curValue !== finalValue ) { 7668 elem.setAttribute( "class", finalValue ); 7669 } 7670 } 7671 } 7672 } 7673 7674 return this; 7675 }, 7676 7677 toggleClass: function( value, stateVal ) { 7678 var type = typeof value; 7679 7680 if ( typeof stateVal === "boolean" && type === "string" ) { 7681 return stateVal ? this.addClass( value ) : this.removeClass( value ); 7682 } 7683 7684 if ( jQuery.isFunction( value ) ) { 7685 return this.each( function( i ) { 7686 jQuery( this ).toggleClass( 7687 value.call( this, i, getClass( this ), stateVal ), 7688 stateVal 7689 ); 7690 } ); 7691 } 7692 7693 return this.each( function() { 7694 var className, i, self, classNames; 7695 7696 if ( type === "string" ) { 7697 7698 // Toggle individual class names 7699 i = 0; 7700 self = jQuery( this ); 7701 classNames = value.match( rnotwhite ) || []; 7702 7703 while ( ( className = classNames[ i++ ] ) ) { 7704 7705 // Check each className given, space separated list 7706 if ( self.hasClass( className ) ) { 7707 self.removeClass( className ); 7708 } else { 7709 self.addClass( className ); 7710 } 7711 } 7712 7713 // Toggle whole class name 7714 } else if ( value === undefined || type === "boolean" ) { 7715 className = getClass( this ); 7716 if ( className ) { 7717 7718 // Store className if set 7719 dataPriv.set( this, "__className__", className ); 7720 } 7721 7722 // If the element has a class name or if we're passed `false`, 7723 // then remove the whole classname (if there was one, the above saved it). 7724 // Otherwise bring back whatever was previously saved (if anything), 7725 // falling back to the empty string if nothing was stored. 7726 if ( this.setAttribute ) { 7727 this.setAttribute( "class", 7728 className || value === false ? 7729 "" : 7730 dataPriv.get( this, "__className__" ) || "" 7731 ); 7732 } 7733 } 7734 } ); 7735 }, 7736 7737 hasClass: function( selector ) { 7738 var className, elem, 7739 i = 0; 7740 7741 className = " " + selector + " "; 7742 while ( ( elem = this[ i++ ] ) ) { 7743 if ( elem.nodeType === 1 && 7744 ( " " + getClass( elem ) + " " ).replace( rclass, " " ) 7745 .indexOf( className ) > -1 7746 ) { 7747 return true; 7748 } 7749 } 7750 7751 return false; 7752 } 7753 } ); 7754 7755 7756 7757 7758 var rreturn = /\r/g, 7759 rspaces = /[\x20\t\r\n\f]+/g; 7760 7761 jQuery.fn.extend( { 7762 val: function( value ) { 7763 var hooks, ret, isFunction, 7764 elem = this[ 0 ]; 7765 7766 if ( !arguments.length ) { 7767 if ( elem ) { 7768 hooks = jQuery.valHooks[ elem.type ] || 7769 jQuery.valHooks[ elem.nodeName.toLowerCase() ]; 7770 7771 if ( hooks && 7772 "get" in hooks && 7773 ( ret = hooks.get( elem, "value" ) ) !== undefined 7774 ) { 7775 return ret; 7776 } 7777 7778 ret = elem.value; 7779 7780 return typeof ret === "string" ? 7781 7782 // Handle most common string cases 7783 ret.replace( rreturn, "" ) : 7784 7785 // Handle cases where value is null/undef or number 7786 ret == null ? "" : ret; 7787 } 7788 7789 return; 7790 } 7791 7792 isFunction = jQuery.isFunction( value ); 7793 7794 return this.each( function( i ) { 7795 var val; 7796 7797 if ( this.nodeType !== 1 ) { 7798 return; 7799 } 7800 7801 if ( isFunction ) { 7802 val = value.call( this, i, jQuery( this ).val() ); 7803 } else { 7804 val = value; 7805 } 7806 7807 // Treat null/undefined as ""; convert numbers to string 7808 if ( val == null ) { 7809 val = ""; 7810 7811 } else if ( typeof val === "number" ) { 7812 val += ""; 7813 7814 } else if ( jQuery.isArray( val ) ) { 7815 val = jQuery.map( val, function( value ) { 7816 return value == null ? "" : value + ""; 7817 } ); 7818 } 7819 7820 hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ]; 7821 7822 // If set returns undefined, fall back to normal setting 7823 if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) { 7824 this.value = val; 7825 } 7826 } ); 7827 } 7828 } ); 7829 7830 jQuery.extend( { 7831 valHooks: { 7832 option: { 7833 get: function( elem ) { 7834 7835 var val = jQuery.find.attr( elem, "value" ); 7836 return val != null ? 7837 val : 7838 7839 // Support: IE <=10 - 11 only 7840 // option.text throws exceptions (#14686, #14858) 7841 // Strip and collapse whitespace 7842 // https://html.spec.whatwg.org/#strip-and-collapse-whitespace 7843 jQuery.trim( jQuery.text( elem ) ).replace( rspaces, " " ); 7844 } 7845 }, 7846 select: { 7847 get: function( elem ) { 7848 var value, option, 7849 options = elem.options, 7850 index = elem.selectedIndex, 7851 one = elem.type === "select-one", 7852 values = one ? null : [], 7853 max = one ? index + 1 : options.length, 7854 i = index < 0 ? 7855 max : 7856 one ? index : 0; 7857 7858 // Loop through all the selected options 7859 for ( ; i < max; i++ ) { 7860 option = options[ i ]; 7861 7862 // Support: IE <=9 only 7863 // IE8-9 doesn't update selected after form reset (#2551) 7864 if ( ( option.selected || i === index ) && 7865 7866 // Don't return options that are disabled or in a disabled optgroup 7867 !option.disabled && 7868 ( !option.parentNode.disabled || 7869 !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) { 7870 7871 // Get the specific value for the option 7872 value = jQuery( option ).val(); 7873 7874 // We don't need an array for one selects 7875 if ( one ) { 7876 return value; 7877 } 7878 7879 // Multi-Selects return an array 7880 values.push( value ); 7881 } 7882 } 7883 7884 return values; 7885 }, 7886 7887 set: function( elem, value ) { 7888 var optionSet, option, 7889 options = elem.options, 7890 values = jQuery.makeArray( value ), 7891 i = options.length; 7892 7893 while ( i-- ) { 7894 option = options[ i ]; 7895 7896 /* eslint-disable no-cond-assign */ 7897 7898 if ( option.selected = 7899 jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1 7900 ) { 7901 optionSet = true; 7902 } 7903 7904 /* eslint-enable no-cond-assign */ 7905 } 7906 7907 // Force browsers to behave consistently when non-matching value is set 7908 if ( !optionSet ) { 7909 elem.selectedIndex = -1; 7910 } 7911 return values; 7912 } 7913 } 7914 } 7915 } ); 7916 7917 // Radios and checkboxes getter/setter 7918 jQuery.each( [ "radio", "checkbox" ], function() { 7919 jQuery.valHooks[ this ] = { 7920 set: function( elem, value ) { 7921 if ( jQuery.isArray( value ) ) { 7922 return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 ); 7923 } 7924 } 7925 }; 7926 if ( !support.checkOn ) { 7927 jQuery.valHooks[ this ].get = function( elem ) { 7928 return elem.getAttribute( "value" ) === null ? "on" : elem.value; 7929 }; 7930 } 7931 } ); 7932 7933 7934 7935 7936 // Return jQuery for attributes-only inclusion 7937 7938 7939 var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/; 7940 7941 jQuery.extend( jQuery.event, { 7942 7943 trigger: function( event, data, elem, onlyHandlers ) { 7944 7945 var i, cur, tmp, bubbleType, ontype, handle, special, 7946 eventPath = [ elem || document ], 7947 type = hasOwn.call( event, "type" ) ? event.type : event, 7948 namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : []; 7949 7950 cur = tmp = elem = elem || document; 7951 7952 // Don't do events on text and comment nodes 7953 if ( elem.nodeType === 3 || elem.nodeType === 8 ) { 7954 return; 7955 } 7956 7957 // focus/blur morphs to focusin/out; ensure we're not firing them right now 7958 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { 7959 return; 7960 } 7961 7962 if ( type.indexOf( "." ) > -1 ) { 7963 7964 // Namespaced trigger; create a regexp to match event type in handle() 7965 namespaces = type.split( "." ); 7966 type = namespaces.shift(); 7967 namespaces.sort(); 7968 } 7969 ontype = type.indexOf( ":" ) < 0 && "on" + type; 7970 7971 // Caller can pass in a jQuery.Event object, Object, or just an event type string 7972 event = event[ jQuery.expando ] ? 7973 event : 7974 new jQuery.Event( type, typeof event === "object" && event ); 7975 7976 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) 7977 event.isTrigger = onlyHandlers ? 2 : 3; 7978 event.namespace = namespaces.join( "." ); 7979 event.rnamespace = event.namespace ? 7980 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) : 7981 null; 7982 7983 // Clean up the event in case it is being reused 7984 event.result = undefined; 7985 if ( !event.target ) { 7986 event.target = elem; 7987 } 7988 7989 // Clone any incoming data and prepend the event, creating the handler arg list 7990 data = data == null ? 7991 [ event ] : 7992 jQuery.makeArray( data, [ event ] ); 7993 7994 // Allow special events to draw outside the lines 7995 special = jQuery.event.special[ type ] || {}; 7996 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { 7997 return; 7998 } 7999 8000 // Determine event propagation path in advance, per W3C events spec (#9951) 8001 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) 8002 if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) { 8003 8004 bubbleType = special.delegateType || type; 8005 if ( !rfocusMorph.test( bubbleType + type ) ) { 8006 cur = cur.parentNode; 8007 } 8008 for ( ; cur; cur = cur.parentNode ) { 8009 eventPath.push( cur ); 8010 tmp = cur; 8011 } 8012 8013 // Only add window if we got to document (e.g., not plain obj or detached DOM) 8014 if ( tmp === ( elem.ownerDocument || document ) ) { 8015 eventPath.push( tmp.defaultView || tmp.parentWindow || window ); 8016 } 8017 } 8018 8019 // Fire handlers on the event path 8020 i = 0; 8021 while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) { 8022 8023 event.type = i > 1 ? 8024 bubbleType : 8025 special.bindType || type; 8026 8027 // jQuery handler 8028 handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] && 8029 dataPriv.get( cur, "handle" ); 8030 if ( handle ) { 8031 handle.apply( cur, data ); 8032 } 8033 8034 // Native handler 8035 handle = ontype && cur[ ontype ]; 8036 if ( handle && handle.apply && acceptData( cur ) ) { 8037 event.result = handle.apply( cur, data ); 8038 if ( event.result === false ) { 8039 event.preventDefault(); 8040 } 8041 } 8042 } 8043 event.type = type; 8044 8045 // If nobody prevented the default action, do it now 8046 if ( !onlyHandlers && !event.isDefaultPrevented() ) { 8047 8048 if ( ( !special._default || 8049 special._default.apply( eventPath.pop(), data ) === false ) && 8050 acceptData( elem ) ) { 8051 8052 // Call a native DOM method on the target with the same name as the event. 8053 // Don't do default actions on window, that's where global variables be (#6170) 8054 if ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) { 8055 8056 // Don't re-trigger an onFOO event when we call its FOO() method 8057 tmp = elem[ ontype ]; 8058 8059 if ( tmp ) { 8060 elem[ ontype ] = null; 8061 } 8062 8063 // Prevent re-triggering of the same event, since we already bubbled it above 8064 jQuery.event.triggered = type; 8065 elem[ type ](); 8066 jQuery.event.triggered = undefined; 8067 8068 if ( tmp ) { 8069 elem[ ontype ] = tmp; 8070 } 8071 } 8072 } 8073 } 8074 8075 return event.result; 8076 }, 8077 8078 // Piggyback on a donor event to simulate a different one 8079 // Used only for `focus(in | out)` events 8080 simulate: function( type, elem, event ) { 8081 var e = jQuery.extend( 8082 new jQuery.Event(), 8083 event, 8084 { 8085 type: type, 8086 isSimulated: true 8087 } 8088 ); 8089 8090 jQuery.event.trigger( e, null, elem ); 8091 } 8092 8093 } ); 8094 8095 jQuery.fn.extend( { 8096 8097 trigger: function( type, data ) { 8098 return this.each( function() { 8099 jQuery.event.trigger( type, data, this ); 8100 } ); 8101 }, 8102 triggerHandler: function( type, data ) { 8103 var elem = this[ 0 ]; 8104 if ( elem ) { 8105 return jQuery.event.trigger( type, data, elem, true ); 8106 } 8107 } 8108 } ); 8109 8110 8111 jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " + 8112 "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " + 8113 "change select submit keydown keypress keyup contextmenu" ).split( " " ), 8114 function( i, name ) { 8115 8116 // Handle event binding 8117 jQuery.fn[ name ] = function( data, fn ) { 8118 return arguments.length > 0 ? 8119 this.on( name, null, data, fn ) : 8120 this.trigger( name ); 8121 }; 8122 } ); 8123 8124 jQuery.fn.extend( { 8125 hover: function( fnOver, fnOut ) { 8126 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver ); 8127 } 8128 } ); 8129 8130 8131 8132 8133 support.focusin = "onfocusin" in window; 8134 8135 8136 // Support: Firefox <=44 8137 // Firefox doesn't have focus(in | out) events 8138 // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787 8139 // 8140 // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1 8141 // focus(in | out) events fire after focus & blur events, 8142 // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order 8143 // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857 8144 if ( !support.focusin ) { 8145 jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) { 8146 8147 // Attach a single capturing handler on the document while someone wants focusin/focusout 8148 var handler = function( event ) { 8149 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) ); 8150 }; 8151 8152 jQuery.event.special[ fix ] = { 8153 setup: function() { 8154 var doc = this.ownerDocument || this, 8155 attaches = dataPriv.access( doc, fix ); 8156 8157 if ( !attaches ) { 8158 doc.addEventListener( orig, handler, true ); 8159 } 8160 dataPriv.access( doc, fix, ( attaches || 0 ) + 1 ); 8161 }, 8162 teardown: function() { 8163 var doc = this.ownerDocument || this, 8164 attaches = dataPriv.access( doc, fix ) - 1; 8165 8166 if ( !attaches ) { 8167 doc.removeEventListener( orig, handler, true ); 8168 dataPriv.remove( doc, fix ); 8169 8170 } else { 8171 dataPriv.access( doc, fix, attaches ); 8172 } 8173 } 8174 }; 8175 } ); 8176 } 8177 var location = window.location; 8178 8179 var nonce = jQuery.now(); 8180 8181 var rquery = ( /\?/ ); 8182 8183 8184 8185 // Cross-browser xml parsing 8186 jQuery.parseXML = function( data ) { 8187 var xml; 8188 if ( !data || typeof data !== "string" ) { 8189 return null; 8190 } 8191 8192 // Support: IE 9 - 11 only 8193 // IE throws on parseFromString with invalid input. 8194 try { 8195 xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" ); 8196 } catch ( e ) { 8197 xml = undefined; 8198 } 8199 8200 if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) { 8201 jQuery.error( "Invalid XML: " + data ); 8202 } 8203 return xml; 8204 }; 8205 8206 8207 var 8208 rbracket = /\[\]$/, 8209 rCRLF = /\r?\n/g, 8210 rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i, 8211 rsubmittable = /^(?:input|select|textarea|keygen)/i; 8212 8213 function buildParams( prefix, obj, traditional, add ) { 8214 var name; 8215 8216 if ( jQuery.isArray( obj ) ) { 8217 8218 // Serialize array item. 8219 jQuery.each( obj, function( i, v ) { 8220 if ( traditional || rbracket.test( prefix ) ) { 8221 8222 // Treat each array item as a scalar. 8223 add( prefix, v ); 8224 8225 } else { 8226 8227 // Item is non-scalar (array or object), encode its numeric index. 8228 buildParams( 8229 prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]", 8230 v, 8231 traditional, 8232 add 8233 ); 8234 } 8235 } ); 8236 8237 } else if ( !traditional && jQuery.type( obj ) === "object" ) { 8238 8239 // Serialize object item. 8240 for ( name in obj ) { 8241 buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); 8242 } 8243 8244 } else { 8245 8246 // Serialize scalar item. 8247 add( prefix, obj ); 8248 } 8249 } 8250 8251 // Serialize an array of form elements or a set of 8252 // key/values into a query string 8253 jQuery.param = function( a, traditional ) { 8254 var prefix, 8255 s = [], 8256 add = function( key, valueOrFunction ) { 8257 8258 // If value is a function, invoke it and use its return value 8259 var value = jQuery.isFunction( valueOrFunction ) ? 8260 valueOrFunction() : 8261 valueOrFunction; 8262 8263 s[ s.length ] = encodeURIComponent( key ) + "=" + 8264 encodeURIComponent( value == null ? "" : value ); 8265 }; 8266 8267 // If an array was passed in, assume that it is an array of form elements. 8268 if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) { 8269 8270 // Serialize the form elements 8271 jQuery.each( a, function() { 8272 add( this.name, this.value ); 8273 } ); 8274 8275 } else { 8276 8277 // If traditional, encode the "old" way (the way 1.3.2 or older 8278 // did it), otherwise encode params recursively. 8279 for ( prefix in a ) { 8280 buildParams( prefix, a[ prefix ], traditional, add ); 8281 } 8282 } 8283 8284 // Return the resulting serialization 8285 return s.join( "&" ); 8286 }; 8287 8288 jQuery.fn.extend( { 8289 serialize: function() { 8290 return jQuery.param( this.serializeArray() ); 8291 }, 8292 serializeArray: function() { 8293 return this.map( function() { 8294 8295 // Can add propHook for "elements" to filter or add form elements 8296 var elements = jQuery.prop( this, "elements" ); 8297 return elements ? jQuery.makeArray( elements ) : this; 8298 } ) 8299 .filter( function() { 8300 var type = this.type; 8301 8302 // Use .is( ":disabled" ) so that fieldset[disabled] works 8303 return this.name && !jQuery( this ).is( ":disabled" ) && 8304 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && 8305 ( this.checked || !rcheckableType.test( type ) ); 8306 } ) 8307 .map( function( i, elem ) { 8308 var val = jQuery( this ).val(); 8309 8310 return val == null ? 8311 null : 8312 jQuery.isArray( val ) ? 8313 jQuery.map( val, function( val ) { 8314 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; 8315 } ) : 8316 { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; 8317 } ).get(); 8318 } 8319 } ); 8320 8321 8322 var 8323 r20 = /%20/g, 8324 rhash = /#.*$/, 8325 rts = /([?&])_=[^&]*/, 8326 rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg, 8327 8328 // #7653, #8125, #8152: local protocol detection 8329 rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/, 8330 rnoContent = /^(?:GET|HEAD)$/, 8331 rprotocol = /^\/\//, 8332 8333 /* Prefilters 8334 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) 8335 * 2) These are called: 8336 * - BEFORE asking for a transport 8337 * - AFTER param serialization (s.data is a string if s.processData is true) 8338 * 3) key is the dataType 8339 * 4) the catchall symbol "*" can be used 8340 * 5) execution will start with transport dataType and THEN continue down to "*" if needed 8341 */ 8342 prefilters = {}, 8343 8344 /* Transports bindings 8345 * 1) key is the dataType 8346 * 2) the catchall symbol "*" can be used 8347 * 3) selection will start with transport dataType and THEN go to "*" if needed 8348 */ 8349 transports = {}, 8350 8351 // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression 8352 allTypes = "*/".concat( "*" ), 8353 8354 // Anchor tag for parsing the document origin 8355 originAnchor = document.createElement( "a" ); 8356 originAnchor.href = location.href; 8357 8358 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport 8359 function addToPrefiltersOrTransports( structure ) { 8360 8361 // dataTypeExpression is optional and defaults to "*" 8362 return function( dataTypeExpression, func ) { 8363 8364 if ( typeof dataTypeExpression !== "string" ) { 8365 func = dataTypeExpression; 8366 dataTypeExpression = "*"; 8367 } 8368 8369 var dataType, 8370 i = 0, 8371 dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || []; 8372 8373 if ( jQuery.isFunction( func ) ) { 8374 8375 // For each dataType in the dataTypeExpression 8376 while ( ( dataType = dataTypes[ i++ ] ) ) { 8377 8378 // Prepend if requested 8379 if ( dataType[ 0 ] === "+" ) { 8380 dataType = dataType.slice( 1 ) || "*"; 8381 ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func ); 8382 8383 // Otherwise append 8384 } else { 8385 ( structure[ dataType ] = structure[ dataType ] || [] ).push( func ); 8386 } 8387 } 8388 } 8389 }; 8390 } 8391 8392 // Base inspection function for prefilters and transports 8393 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) { 8394 8395 var inspected = {}, 8396 seekingTransport = ( structure === transports ); 8397 8398 function inspect( dataType ) { 8399 var selected; 8400 inspected[ dataType ] = true; 8401 jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) { 8402 var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR ); 8403 if ( typeof dataTypeOrTransport === "string" && 8404 !seekingTransport && !inspected[ dataTypeOrTransport ] ) { 8405 8406 options.dataTypes.unshift( dataTypeOrTransport ); 8407 inspect( dataTypeOrTransport ); 8408 return false; 8409 } else if ( seekingTransport ) { 8410 return !( selected = dataTypeOrTransport ); 8411 } 8412 } ); 8413 return selected; 8414 } 8415 8416 return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" ); 8417 } 8418 8419 // A special extend for ajax options 8420 // that takes "flat" options (not to be deep extended) 8421 // Fixes #9887 8422 function ajaxExtend( target, src ) { 8423 var key, deep, 8424 flatOptions = jQuery.ajaxSettings.flatOptions || {}; 8425 8426 for ( key in src ) { 8427 if ( src[ key ] !== undefined ) { 8428 ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ]; 8429 } 8430 } 8431 if ( deep ) { 8432 jQuery.extend( true, target, deep ); 8433 } 8434 8435 return target; 8436 } 8437 8438 /* Handles responses to an ajax request: 8439 * - finds the right dataType (mediates between content-type and expected dataType) 8440 * - returns the corresponding response 8441 */ 8442 function ajaxHandleResponses( s, jqXHR, responses ) { 8443 8444 var ct, type, finalDataType, firstDataType, 8445 contents = s.contents, 8446 dataTypes = s.dataTypes; 8447 8448 // Remove auto dataType and get content-type in the process 8449 while ( dataTypes[ 0 ] === "*" ) { 8450 dataTypes.shift(); 8451 if ( ct === undefined ) { 8452 ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" ); 8453 } 8454 } 8455 8456 // Check if we're dealing with a known content-type 8457 if ( ct ) { 8458 for ( type in contents ) { 8459 if ( contents[ type ] && contents[ type ].test( ct ) ) { 8460 dataTypes.unshift( type ); 8461 break; 8462 } 8463 } 8464 } 8465 8466 // Check to see if we have a response for the expected dataType 8467 if ( dataTypes[ 0 ] in responses ) { 8468 finalDataType = dataTypes[ 0 ]; 8469 } else { 8470 8471 // Try convertible dataTypes 8472 for ( type in responses ) { 8473 if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) { 8474 finalDataType = type; 8475 break; 8476 } 8477 if ( !firstDataType ) { 8478 firstDataType = type; 8479 } 8480 } 8481 8482 // Or just use first one 8483 finalDataType = finalDataType || firstDataType; 8484 } 8485 8486 // If we found a dataType 8487 // We add the dataType to the list if needed 8488 // and return the corresponding response 8489 if ( finalDataType ) { 8490 if ( finalDataType !== dataTypes[ 0 ] ) { 8491 dataTypes.unshift( finalDataType ); 8492 } 8493 return responses[ finalDataType ]; 8494 } 8495 } 8496 8497 /* Chain conversions given the request and the original response 8498 * Also sets the responseXXX fields on the jqXHR instance 8499 */ 8500 function ajaxConvert( s, response, jqXHR, isSuccess ) { 8501 var conv2, current, conv, tmp, prev, 8502 converters = {}, 8503 8504 // Work with a copy of dataTypes in case we need to modify it for conversion 8505 dataTypes = s.dataTypes.slice(); 8506 8507 // Create converters map with lowercased keys 8508 if ( dataTypes[ 1 ] ) { 8509 for ( conv in s.converters ) { 8510 converters[ conv.toLowerCase() ] = s.converters[ conv ]; 8511 } 8512 } 8513 8514 current = dataTypes.shift(); 8515 8516 // Convert to each sequential dataType 8517 while ( current ) { 8518 8519 if ( s.responseFields[ current ] ) { 8520 jqXHR[ s.responseFields[ current ] ] = response; 8521 } 8522 8523 // Apply the dataFilter if provided 8524 if ( !prev && isSuccess && s.dataFilter ) { 8525 response = s.dataFilter( response, s.dataType ); 8526 } 8527 8528 prev = current; 8529 current = dataTypes.shift(); 8530 8531 if ( current ) { 8532 8533 // There's only work to do if current dataType is non-auto 8534 if ( current === "*" ) { 8535 8536 current = prev; 8537 8538 // Convert response if prev dataType is non-auto and differs from current 8539 } else if ( prev !== "*" && prev !== current ) { 8540 8541 // Seek a direct converter 8542 conv = converters[ prev + " " + current ] || converters[ "* " + current ]; 8543 8544 // If none found, seek a pair 8545 if ( !conv ) { 8546 for ( conv2 in converters ) { 8547 8548 // If conv2 outputs current 8549 tmp = conv2.split( " " ); 8550 if ( tmp[ 1 ] === current ) { 8551 8552 // If prev can be converted to accepted input 8553 conv = converters[ prev + " " + tmp[ 0 ] ] || 8554 converters[ "* " + tmp[ 0 ] ]; 8555 if ( conv ) { 8556 8557 // Condense equivalence converters 8558 if ( conv === true ) { 8559 conv = converters[ conv2 ]; 8560 8561 // Otherwise, insert the intermediate dataType 8562 } else if ( converters[ conv2 ] !== true ) { 8563 current = tmp[ 0 ]; 8564 dataTypes.unshift( tmp[ 1 ] ); 8565 } 8566 break; 8567 } 8568 } 8569 } 8570 } 8571 8572 // Apply converter (if not an equivalence) 8573 if ( conv !== true ) { 8574 8575 // Unless errors are allowed to bubble, catch and return them 8576 if ( conv && s.throws ) { 8577 response = conv( response ); 8578 } else { 8579 try { 8580 response = conv( response ); 8581 } catch ( e ) { 8582 return { 8583 state: "parsererror", 8584 error: conv ? e : "No conversion from " + prev + " to " + current 8585 }; 8586 } 8587 } 8588 } 8589 } 8590 } 8591 } 8592 8593 return { state: "success", data: response }; 8594 } 8595 8596 jQuery.extend( { 8597 8598 // Counter for holding the number of active queries 8599 active: 0, 8600 8601 // Last-Modified header cache for next request 8602 lastModified: {}, 8603 etag: {}, 8604 8605 ajaxSettings: { 8606 url: location.href, 8607 type: "GET", 8608 isLocal: rlocalProtocol.test( location.protocol ), 8609 global: true, 8610 processData: true, 8611 async: true, 8612 contentType: "application/x-www-form-urlencoded; charset=UTF-8", 8613 8614 /* 8615 timeout: 0, 8616 data: null, 8617 dataType: null, 8618 username: null, 8619 password: null, 8620 cache: null, 8621 throws: false, 8622 traditional: false, 8623 headers: {}, 8624 */ 8625 8626 accepts: { 8627 "*": allTypes, 8628 text: "text/plain", 8629 html: "text/html", 8630 xml: "application/xml, text/xml", 8631 json: "application/json, text/javascript" 8632 }, 8633 8634 contents: { 8635 xml: /\bxml\b/, 8636 html: /\bhtml/, 8637 json: /\bjson\b/ 8638 }, 8639 8640 responseFields: { 8641 xml: "responseXML", 8642 text: "responseText", 8643 json: "responseJSON" 8644 }, 8645 8646 // Data converters 8647 // Keys separate source (or catchall "*") and destination types with a single space 8648 converters: { 8649 8650 // Convert anything to text 8651 "* text": String, 8652 8653 // Text to html (true = no transformation) 8654 "text html": true, 8655 8656 // Evaluate text as a json expression 8657 "text json": JSON.parse, 8658 8659 // Parse text as xml 8660 "text xml": jQuery.parseXML 8661 }, 8662 8663 // For options that shouldn't be deep extended: 8664 // you can add your own custom options here if 8665 // and when you create one that shouldn't be 8666 // deep extended (see ajaxExtend) 8667 flatOptions: { 8668 url: true, 8669 context: true 8670 } 8671 }, 8672 8673 // Creates a full fledged settings object into target 8674 // with both ajaxSettings and settings fields. 8675 // If target is omitted, writes into ajaxSettings. 8676 ajaxSetup: function( target, settings ) { 8677 return settings ? 8678 8679 // Building a settings object 8680 ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) : 8681 8682 // Extending ajaxSettings 8683 ajaxExtend( jQuery.ajaxSettings, target ); 8684 }, 8685 8686 ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), 8687 ajaxTransport: addToPrefiltersOrTransports( transports ), 8688 8689 // Main method 8690 ajax: function( url, options ) { 8691 8692 // If url is an object, simulate pre-1.5 signature 8693 if ( typeof url === "object" ) { 8694 options = url; 8695 url = undefined; 8696 } 8697 8698 // Force options to be an object 8699 options = options || {}; 8700 8701 var transport, 8702 8703 // URL without anti-cache param 8704 cacheURL, 8705 8706 // Response headers 8707 responseHeadersString, 8708 responseHeaders, 8709 8710 // timeout handle 8711 timeoutTimer, 8712 8713 // Url cleanup var 8714 urlAnchor, 8715 8716 // Request state (becomes false upon send and true upon completion) 8717 completed, 8718 8719 // To know if global events are to be dispatched 8720 fireGlobals, 8721 8722 // Loop variable 8723 i, 8724 8725 // uncached part of the url 8726 uncached, 8727 8728 // Create the final options object 8729 s = jQuery.ajaxSetup( {}, options ), 8730 8731 // Callbacks context 8732 callbackContext = s.context || s, 8733 8734 // Context for global events is callbackContext if it is a DOM node or jQuery collection 8735 globalEventContext = s.context && 8736 ( callbackContext.nodeType || callbackContext.jquery ) ? 8737 jQuery( callbackContext ) : 8738 jQuery.event, 8739 8740 // Deferreds 8741 deferred = jQuery.Deferred(), 8742 completeDeferred = jQuery.Callbacks( "once memory" ), 8743 8744 // Status-dependent callbacks 8745 statusCode = s.statusCode || {}, 8746 8747 // Headers (they are sent all at once) 8748 requestHeaders = {}, 8749 requestHeadersNames = {}, 8750 8751 // Default abort message 8752 strAbort = "canceled", 8753 8754 // Fake xhr 8755 jqXHR = { 8756 readyState: 0, 8757 8758 // Builds headers hashtable if needed 8759 getResponseHeader: function( key ) { 8760 var match; 8761 if ( completed ) { 8762 if ( !responseHeaders ) { 8763 responseHeaders = {}; 8764 while ( ( match = rheaders.exec( responseHeadersString ) ) ) { 8765 responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ]; 8766 } 8767 } 8768 match = responseHeaders[ key.toLowerCase() ]; 8769 } 8770 return match == null ? null : match; 8771 }, 8772 8773 // Raw string 8774 getAllResponseHeaders: function() { 8775 return completed ? responseHeadersString : null; 8776 }, 8777 8778 // Caches the header 8779 setRequestHeader: function( name, value ) { 8780 if ( completed == null ) { 8781 name = requestHeadersNames[ name.toLowerCase() ] = 8782 requestHeadersNames[ name.toLowerCase() ] || name; 8783 requestHeaders[ name ] = value; 8784 } 8785 return this; 8786 }, 8787 8788 // Overrides response content-type header 8789 overrideMimeType: function( type ) { 8790 if ( completed == null ) { 8791 s.mimeType = type; 8792 } 8793 return this; 8794 }, 8795 8796 // Status-dependent callbacks 8797 statusCode: function( map ) { 8798 var code; 8799 if ( map ) { 8800 if ( completed ) { 8801 8802 // Execute the appropriate callbacks 8803 jqXHR.always( map[ jqXHR.status ] ); 8804 } else { 8805 8806 // Lazy-add the new callbacks in a way that preserves old ones 8807 for ( code in map ) { 8808 statusCode[ code ] = [ statusCode[ code ], map[ code ] ]; 8809 } 8810 } 8811 } 8812 return this; 8813 }, 8814 8815 // Cancel the request 8816 abort: function( statusText ) { 8817 var finalText = statusText || strAbort; 8818 if ( transport ) { 8819 transport.abort( finalText ); 8820 } 8821 done( 0, finalText ); 8822 return this; 8823 } 8824 }; 8825 8826 // Attach deferreds 8827 deferred.promise( jqXHR ); 8828 8829 // Add protocol if not provided (prefilters might expect it) 8830 // Handle falsy url in the settings object (#10093: consistency with old signature) 8831 // We also use the url parameter if available 8832 s.url = ( ( url || s.url || location.href ) + "" ) 8833 .replace( rprotocol, location.protocol + "//" ); 8834 8835 // Alias method option to type as per ticket #12004 8836 s.type = options.method || options.type || s.method || s.type; 8837 8838 // Extract dataTypes list 8839 s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ]; 8840 8841 // A cross-domain request is in order when the origin doesn't match the current origin. 8842 if ( s.crossDomain == null ) { 8843 urlAnchor = document.createElement( "a" ); 8844 8845 // Support: IE <=8 - 11, Edge 12 - 13 8846 // IE throws exception on accessing the href property if url is malformed, 8847 // e.g. http://example.com:80x/ 8848 try { 8849 urlAnchor.href = s.url; 8850 8851 // Support: IE <=8 - 11 only 8852 // Anchor's host property isn't correctly set when s.url is relative 8853 urlAnchor.href = urlAnchor.href; 8854 s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !== 8855 urlAnchor.protocol + "//" + urlAnchor.host; 8856 } catch ( e ) { 8857 8858 // If there is an error parsing the URL, assume it is crossDomain, 8859 // it can be rejected by the transport if it is invalid 8860 s.crossDomain = true; 8861 } 8862 } 8863 8864 // Convert data if not already a string 8865 if ( s.data && s.processData && typeof s.data !== "string" ) { 8866 s.data = jQuery.param( s.data, s.traditional ); 8867 } 8868 8869 // Apply prefilters 8870 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR ); 8871 8872 // If request was aborted inside a prefilter, stop there 8873 if ( completed ) { 8874 return jqXHR; 8875 } 8876 8877 // We can fire global events as of now if asked to 8878 // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118) 8879 fireGlobals = jQuery.event && s.global; 8880 8881 // Watch for a new set of requests 8882 if ( fireGlobals && jQuery.active++ === 0 ) { 8883 jQuery.event.trigger( "ajaxStart" ); 8884 } 8885 8886 // Uppercase the type 8887 s.type = s.type.toUpperCase(); 8888 8889 // Determine if request has content 8890 s.hasContent = !rnoContent.test( s.type ); 8891 8892 // Save the URL in case we're toying with the If-Modified-Since 8893 // and/or If-None-Match header later on 8894 // Remove hash to simplify url manipulation 8895 cacheURL = s.url.replace( rhash, "" ); 8896 8897 // More options handling for requests with no content 8898 if ( !s.hasContent ) { 8899 8900 // Remember the hash so we can put it back 8901 uncached = s.url.slice( cacheURL.length ); 8902 8903 // If data is available, append data to url 8904 if ( s.data ) { 8905 cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data; 8906 8907 // #9682: remove data so that it's not used in an eventual retry 8908 delete s.data; 8909 } 8910 8911 // Add anti-cache in uncached url if needed 8912 if ( s.cache === false ) { 8913 cacheURL = cacheURL.replace( rts, "" ); 8914 uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached; 8915 } 8916 8917 // Put hash and anti-cache on the URL that will be requested (gh-1732) 8918 s.url = cacheURL + uncached; 8919 8920 // Change '%20' to '+' if this is encoded form body content (gh-2658) 8921 } else if ( s.data && s.processData && 8922 ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) { 8923 s.data = s.data.replace( r20, "+" ); 8924 } 8925 8926 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. 8927 if ( s.ifModified ) { 8928 if ( jQuery.lastModified[ cacheURL ] ) { 8929 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] ); 8930 } 8931 if ( jQuery.etag[ cacheURL ] ) { 8932 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] ); 8933 } 8934 } 8935 8936 // Set the correct header, if data is being sent 8937 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { 8938 jqXHR.setRequestHeader( "Content-Type", s.contentType ); 8939 } 8940 8941 // Set the Accepts header for the server, depending on the dataType 8942 jqXHR.setRequestHeader( 8943 "Accept", 8944 s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ? 8945 s.accepts[ s.dataTypes[ 0 ] ] + 8946 ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : 8947 s.accepts[ "*" ] 8948 ); 8949 8950 // Check for headers option 8951 for ( i in s.headers ) { 8952 jqXHR.setRequestHeader( i, s.headers[ i ] ); 8953 } 8954 8955 // Allow custom headers/mimetypes and early abort 8956 if ( s.beforeSend && 8957 ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) { 8958 8959 // Abort if not done already and return 8960 return jqXHR.abort(); 8961 } 8962 8963 // Aborting is no longer a cancellation 8964 strAbort = "abort"; 8965 8966 // Install callbacks on deferreds 8967 completeDeferred.add( s.complete ); 8968 jqXHR.done( s.success ); 8969 jqXHR.fail( s.error ); 8970 8971 // Get transport 8972 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR ); 8973 8974 // If no transport, we auto-abort 8975 if ( !transport ) { 8976 done( -1, "No Transport" ); 8977 } else { 8978 jqXHR.readyState = 1; 8979 8980 // Send global event 8981 if ( fireGlobals ) { 8982 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); 8983 } 8984 8985 // If request was aborted inside ajaxSend, stop there 8986 if ( completed ) { 8987 return jqXHR; 8988 } 8989 8990 // Timeout 8991 if ( s.async && s.timeout > 0 ) { 8992 timeoutTimer = window.setTimeout( function() { 8993 jqXHR.abort( "timeout" ); 8994 }, s.timeout ); 8995 } 8996 8997 try { 8998 completed = false; 8999 transport.send( requestHeaders, done ); 9000 } catch ( e ) { 9001 9002 // Rethrow post-completion exceptions 9003 if ( completed ) { 9004 throw e; 9005 } 9006 9007 // Propagate others as results 9008 done( -1, e ); 9009 } 9010 } 9011 9012 // Callback for when everything is done 9013 function done( status, nativeStatusText, responses, headers ) { 9014 var isSuccess, success, error, response, modified, 9015 statusText = nativeStatusText; 9016 9017 // Ignore repeat invocations 9018 if ( completed ) { 9019 return; 9020 } 9021 9022 completed = true; 9023 9024 // Clear timeout if it exists 9025 if ( timeoutTimer ) { 9026 window.clearTimeout( timeoutTimer ); 9027 } 9028 9029 // Dereference transport for early garbage collection 9030 // (no matter how long the jqXHR object will be used) 9031 transport = undefined; 9032 9033 // Cache response headers 9034 responseHeadersString = headers || ""; 9035 9036 // Set readyState 9037 jqXHR.readyState = status > 0 ? 4 : 0; 9038 9039 // Determine if successful 9040 isSuccess = status >= 200 && status < 300 || status === 304; 9041 9042 // Get response data 9043 if ( responses ) { 9044 response = ajaxHandleResponses( s, jqXHR, responses ); 9045 } 9046 9047 // Convert no matter what (that way responseXXX fields are always set) 9048 response = ajaxConvert( s, response, jqXHR, isSuccess ); 9049 9050 // If successful, handle type chaining 9051 if ( isSuccess ) { 9052 9053 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. 9054 if ( s.ifModified ) { 9055 modified = jqXHR.getResponseHeader( "Last-Modified" ); 9056 if ( modified ) { 9057 jQuery.lastModified[ cacheURL ] = modified; 9058 } 9059 modified = jqXHR.getResponseHeader( "etag" ); 9060 if ( modified ) { 9061 jQuery.etag[ cacheURL ] = modified; 9062 } 9063 } 9064 9065 // if no content 9066 if ( status === 204 || s.type === "HEAD" ) { 9067 statusText = "nocontent"; 9068 9069 // if not modified 9070 } else if ( status === 304 ) { 9071 statusText = "notmodified"; 9072 9073 // If we have data, let's convert it 9074 } else { 9075 statusText = response.state; 9076 success = response.data; 9077 error = response.error; 9078 isSuccess = !error; 9079 } 9080 } else { 9081 9082 // Extract error from statusText and normalize for non-aborts 9083 error = statusText; 9084 if ( status || !statusText ) { 9085 statusText = "error"; 9086 if ( status < 0 ) { 9087 status = 0; 9088 } 9089 } 9090 } 9091 9092 // Set data for the fake xhr object 9093 jqXHR.status = status; 9094 jqXHR.statusText = ( nativeStatusText || statusText ) + ""; 9095 9096 // Success/Error 9097 if ( isSuccess ) { 9098 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] ); 9099 } else { 9100 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] ); 9101 } 9102 9103 // Status-dependent callbacks 9104 jqXHR.statusCode( statusCode ); 9105 statusCode = undefined; 9106 9107 if ( fireGlobals ) { 9108 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError", 9109 [ jqXHR, s, isSuccess ? success : error ] ); 9110 } 9111 9112 // Complete 9113 completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] ); 9114 9115 if ( fireGlobals ) { 9116 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] ); 9117 9118 // Handle the global AJAX counter 9119 if ( !( --jQuery.active ) ) { 9120 jQuery.event.trigger( "ajaxStop" ); 9121 } 9122 } 9123 } 9124 9125 return jqXHR; 9126 }, 9127 9128 getJSON: function( url, data, callback ) { 9129 return jQuery.get( url, data, callback, "json" ); 9130 }, 9131 9132 getScript: function( url, callback ) { 9133 return jQuery.get( url, undefined, callback, "script" ); 9134 } 9135 } ); 9136 9137 jQuery.each( [ "get", "post" ], function( i, method ) { 9138 jQuery[ method ] = function( url, data, callback, type ) { 9139 9140 // Shift arguments if data argument was omitted 9141 if ( jQuery.isFunction( data ) ) { 9142 type = type || callback; 9143 callback = data; 9144 data = undefined; 9145 } 9146 9147 // The url can be an options object (which then must have .url) 9148 return jQuery.ajax( jQuery.extend( { 9149 url: url, 9150 type: method, 9151 dataType: type, 9152 data: data, 9153 success: callback 9154 }, jQuery.isPlainObject( url ) && url ) ); 9155 }; 9156 } ); 9157 9158 9159 jQuery._evalUrl = function( url ) { 9160 return jQuery.ajax( { 9161 url: url, 9162 9163 // Make this explicit, since user can override this through ajaxSetup (#11264) 9164 type: "GET", 9165 dataType: "script", 9166 cache: true, 9167 async: false, 9168 global: false, 9169 "throws": true 9170 } ); 9171 }; 9172 9173 9174 jQuery.fn.extend( { 9175 wrapAll: function( html ) { 9176 var wrap; 9177 9178 if ( this[ 0 ] ) { 9179 if ( jQuery.isFunction( html ) ) { 9180 html = html.call( this[ 0 ] ); 9181 } 9182 9183 // The elements to wrap the target around 9184 wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true ); 9185 9186 if ( this[ 0 ].parentNode ) { 9187 wrap.insertBefore( this[ 0 ] ); 9188 } 9189 9190 wrap.map( function() { 9191 var elem = this; 9192 9193 while ( elem.firstElementChild ) { 9194 elem = elem.firstElementChild; 9195 } 9196 9197 return elem; 9198 } ).append( this ); 9199 } 9200 9201 return this; 9202 }, 9203 9204 wrapInner: function( html ) { 9205 if ( jQuery.isFunction( html ) ) { 9206 return this.each( function( i ) { 9207 jQuery( this ).wrapInner( html.call( this, i ) ); 9208 } ); 9209 } 9210 9211 return this.each( function() { 9212 var self = jQuery( this ), 9213 contents = self.contents(); 9214 9215 if ( contents.length ) { 9216 contents.wrapAll( html ); 9217 9218 } else { 9219 self.append( html ); 9220 } 9221 } ); 9222 }, 9223 9224 wrap: function( html ) { 9225 var isFunction = jQuery.isFunction( html ); 9226 9227 return this.each( function( i ) { 9228 jQuery( this ).wrapAll( isFunction ? html.call( this, i ) : html ); 9229 } ); 9230 }, 9231 9232 unwrap: function( selector ) { 9233 this.parent( selector ).not( "body" ).each( function() { 9234 jQuery( this ).replaceWith( this.childNodes ); 9235 } ); 9236 return this; 9237 } 9238 } ); 9239 9240 9241 jQuery.expr.pseudos.hidden = function( elem ) { 9242 return !jQuery.expr.pseudos.visible( elem ); 9243 }; 9244 jQuery.expr.pseudos.visible = function( elem ) { 9245 return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length ); 9246 }; 9247 9248 9249 9250 9251 jQuery.ajaxSettings.xhr = function() { 9252 try { 9253 return new window.XMLHttpRequest(); 9254 } catch ( e ) {} 9255 }; 9256 9257 var xhrSuccessStatus = { 9258 9259 // File protocol always yields status code 0, assume 200 9260 0: 200, 9261 9262 // Support: IE <=9 only 9263 // #1450: sometimes IE returns 1223 when it should be 204 9264 1223: 204 9265 }, 9266 xhrSupported = jQuery.ajaxSettings.xhr(); 9267 9268 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); 9269 support.ajax = xhrSupported = !!xhrSupported; 9270 9271 jQuery.ajaxTransport( function( options ) { 9272 var callback, errorCallback; 9273 9274 // Cross domain only allowed if supported through XMLHttpRequest 9275 if ( support.cors || xhrSupported && !options.crossDomain ) { 9276 return { 9277 send: function( headers, complete ) { 9278 var i, 9279 xhr = options.xhr(); 9280 9281 xhr.open( 9282 options.type, 9283 options.url, 9284 options.async, 9285 options.username, 9286 options.password 9287 ); 9288 9289 // Apply custom fields if provided 9290 if ( options.xhrFields ) { 9291 for ( i in options.xhrFields ) { 9292 xhr[ i ] = options.xhrFields[ i ]; 9293 } 9294 } 9295 9296 // Override mime type if needed 9297 if ( options.mimeType && xhr.overrideMimeType ) { 9298 xhr.overrideMimeType( options.mimeType ); 9299 } 9300 9301 // X-Requested-With header 9302 // For cross-domain requests, seeing as conditions for a preflight are 9303 // akin to a jigsaw puzzle, we simply never set it to be sure. 9304 // (it can always be set on a per-request basis or even using ajaxSetup) 9305 // For same-domain requests, won't change header if already provided. 9306 if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) { 9307 headers[ "X-Requested-With" ] = "XMLHttpRequest"; 9308 } 9309 9310 // Set headers 9311 for ( i in headers ) { 9312 xhr.setRequestHeader( i, headers[ i ] ); 9313 } 9314 9315 // Callback 9316 callback = function( type ) { 9317 return function() { 9318 if ( callback ) { 9319 callback = errorCallback = xhr.onload = 9320 xhr.onerror = xhr.onabort = xhr.onreadystatechange = null; 9321 9322 if ( type === "abort" ) { 9323 xhr.abort(); 9324 } else if ( type === "error" ) { 9325 9326 // Support: IE <=9 only 9327 // On a manual native abort, IE9 throws 9328 // errors on any property access that is not readyState 9329 if ( typeof xhr.status !== "number" ) { 9330 complete( 0, "error" ); 9331 } else { 9332 complete( 9333 9334 // File: protocol always yields status 0; see #8605, #14207 9335 xhr.status, 9336 xhr.statusText 9337 ); 9338 } 9339 } else { 9340 complete( 9341 xhrSuccessStatus[ xhr.status ] || xhr.status, 9342 xhr.statusText, 9343 9344 // Support: IE <=9 only 9345 // IE9 has no XHR2 but throws on binary (trac-11426) 9346 // For XHR2 non-text, let the caller handle it (gh-2498) 9347 ( xhr.responseType || "text" ) !== "text" || 9348 typeof xhr.responseText !== "string" ? 9349 { binary: xhr.response } : 9350 { text: xhr.responseText }, 9351 xhr.getAllResponseHeaders() 9352 ); 9353 } 9354 } 9355 }; 9356 }; 9357 9358 // Listen to events 9359 xhr.onload = callback(); 9360 errorCallback = xhr.onerror = callback( "error" ); 9361 9362 // Support: IE 9 only 9363 // Use onreadystatechange to replace onabort 9364 // to handle uncaught aborts 9365 if ( xhr.onabort !== undefined ) { 9366 xhr.onabort = errorCallback; 9367 } else { 9368 xhr.onreadystatechange = function() { 9369 9370 // Check readyState before timeout as it changes 9371 if ( xhr.readyState === 4 ) { 9372 9373 // Allow onerror to be called first, 9374 // but that will not handle a native abort 9375 // Also, save errorCallback to a variable 9376 // as xhr.onerror cannot be accessed 9377 window.setTimeout( function() { 9378 if ( callback ) { 9379 errorCallback(); 9380 } 9381 } ); 9382 } 9383 }; 9384 } 9385 9386 // Create the abort callback 9387 callback = callback( "abort" ); 9388 9389 try { 9390 9391 // Do send the request (this may raise an exception) 9392 xhr.send( options.hasContent && options.data || null ); 9393 } catch ( e ) { 9394 9395 // #14683: Only rethrow if this hasn't been notified as an error yet 9396 if ( callback ) { 9397 throw e; 9398 } 9399 } 9400 }, 9401 9402 abort: function() { 9403 if ( callback ) { 9404 callback(); 9405 } 9406 } 9407 }; 9408 } 9409 } ); 9410 9411 9412 9413 9414 // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432) 9415 jQuery.ajaxPrefilter( function( s ) { 9416 if ( s.crossDomain ) { 9417 s.contents.script = false; 9418 } 9419 } ); 9420 9421 // Install script dataType 9422 jQuery.ajaxSetup( { 9423 accepts: { 9424 script: "text/javascript, application/javascript, " + 9425 "application/ecmascript, application/x-ecmascript" 9426 }, 9427 contents: { 9428 script: /\b(?:java|ecma)script\b/ 9429 }, 9430 converters: { 9431 "text script": function( text ) { 9432 jQuery.globalEval( text ); 9433 return text; 9434 } 9435 } 9436 } ); 9437 9438 // Handle cache's special case and crossDomain 9439 jQuery.ajaxPrefilter( "script", function( s ) { 9440 if ( s.cache === undefined ) { 9441 s.cache = false; 9442 } 9443 if ( s.crossDomain ) { 9444 s.type = "GET"; 9445 } 9446 } ); 9447 9448 // Bind script tag hack transport 9449 jQuery.ajaxTransport( "script", function( s ) { 9450 9451 // This transport only deals with cross domain requests 9452 if ( s.crossDomain ) { 9453 var script, callback; 9454 return { 9455 send: function( _, complete ) { 9456 script = jQuery( "<script>" ).prop( { 9457 charset: s.scriptCharset, 9458 src: s.url 9459 } ).on( 9460 "load error", 9461 callback = function( evt ) { 9462 script.remove(); 9463 callback = null; 9464 if ( evt ) { 9465 complete( evt.type === "error" ? 404 : 200, evt.type ); 9466 } 9467 } 9468 ); 9469 9470 // Use native DOM manipulation to avoid our domManip AJAX trickery 9471 document.head.appendChild( script[ 0 ] ); 9472 }, 9473 abort: function() { 9474 if ( callback ) { 9475 callback(); 9476 } 9477 } 9478 }; 9479 } 9480 } ); 9481 9482 9483 9484 9485 var oldCallbacks = [], 9486 rjsonp = /(=)\?(?=&|$)|\?\?/; 9487 9488 // Default jsonp settings 9489 jQuery.ajaxSetup( { 9490 jsonp: "callback", 9491 jsonpCallback: function() { 9492 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) ); 9493 this[ callback ] = true; 9494 return callback; 9495 } 9496 } ); 9497 9498 // Detect, normalize options and install callbacks for jsonp requests 9499 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) { 9500 9501 var callbackName, overwritten, responseContainer, 9502 jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ? 9503 "url" : 9504 typeof s.data === "string" && 9505 ( s.contentType || "" ) 9506 .indexOf( "application/x-www-form-urlencoded" ) === 0 && 9507 rjsonp.test( s.data ) && "data" 9508 ); 9509 9510 // Handle iff the expected data type is "jsonp" or we have a parameter to set 9511 if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) { 9512 9513 // Get callback name, remembering preexisting value associated with it 9514 callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ? 9515 s.jsonpCallback() : 9516 s.jsonpCallback; 9517 9518 // Insert callback into url or form data 9519 if ( jsonProp ) { 9520 s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName ); 9521 } else if ( s.jsonp !== false ) { 9522 s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName; 9523 } 9524 9525 // Use data converter to retrieve json after script execution 9526 s.converters[ "script json" ] = function() { 9527 if ( !responseContainer ) { 9528 jQuery.error( callbackName + " was not called" ); 9529 } 9530 return responseContainer[ 0 ]; 9531 }; 9532 9533 // Force json dataType 9534 s.dataTypes[ 0 ] = "json"; 9535 9536 // Install callback 9537 overwritten = window[ callbackName ]; 9538 window[ callbackName ] = function() { 9539 responseContainer = arguments; 9540 }; 9541 9542 // Clean-up function (fires after converters) 9543 jqXHR.always( function() { 9544 9545 // If previous value didn't exist - remove it 9546 if ( overwritten === undefined ) { 9547 jQuery( window ).removeProp( callbackName ); 9548 9549 // Otherwise restore preexisting value 9550 } else { 9551 window[ callbackName ] = overwritten; 9552 } 9553 9554 // Save back as free 9555 if ( s[ callbackName ] ) { 9556 9557 // Make sure that re-using the options doesn't screw things around 9558 s.jsonpCallback = originalSettings.jsonpCallback; 9559 9560 // Save the callback name for future use 9561 oldCallbacks.push( callbackName ); 9562 } 9563 9564 // Call if it was a function and we have a response 9565 if ( responseContainer && jQuery.isFunction( overwritten ) ) { 9566 overwritten( responseContainer[ 0 ] ); 9567 } 9568 9569 responseContainer = overwritten = undefined; 9570 } ); 9571 9572 // Delegate to script 9573 return "script"; 9574 } 9575 } ); 9576 9577 9578 9579 9580 // Support: Safari 8 only 9581 // In Safari 8 documents created via document.implementation.createHTMLDocument 9582 // collapse sibling forms: the second one becomes a child of the first one. 9583 // Because of that, this security measure has to be disabled in Safari 8. 9584 // https://bugs.webkit.org/show_bug.cgi?id=137337 9585 support.createHTMLDocument = ( function() { 9586 var body = document.implementation.createHTMLDocument( "" ).body; 9587 body.innerHTML = "<form></form><form></form>"; 9588 return body.childNodes.length === 2; 9589 } )(); 9590 9591 9592 // Argument "data" should be string of html 9593 // context (optional): If specified, the fragment will be created in this context, 9594 // defaults to document 9595 // keepScripts (optional): If true, will include scripts passed in the html string 9596 jQuery.parseHTML = function( data, context, keepScripts ) { 9597 if ( typeof data !== "string" ) { 9598 return []; 9599 } 9600 if ( typeof context === "boolean" ) { 9601 keepScripts = context; 9602 context = false; 9603 } 9604 9605 var base, parsed, scripts; 9606 9607 if ( !context ) { 9608 9609 // Stop scripts or inline event handlers from being executed immediately 9610 // by using document.implementation 9611 if ( support.createHTMLDocument ) { 9612 context = document.implementation.createHTMLDocument( "" ); 9613 9614 // Set the base href for the created document 9615 // so any parsed elements with URLs 9616 // are based on the document's URL (gh-2965) 9617 base = context.createElement( "base" ); 9618 base.href = document.location.href; 9619 context.head.appendChild( base ); 9620 } else { 9621 context = document; 9622 } 9623 } 9624 9625 parsed = rsingleTag.exec( data ); 9626 scripts = !keepScripts && []; 9627 9628 // Single tag 9629 if ( parsed ) { 9630 return [ context.createElement( parsed[ 1 ] ) ]; 9631 } 9632 9633 parsed = buildFragment( [ data ], context, scripts ); 9634 9635 if ( scripts && scripts.length ) { 9636 jQuery( scripts ).remove(); 9637 } 9638 9639 return jQuery.merge( [], parsed.childNodes ); 9640 }; 9641 9642 9643 /** 9644 * Load a url into a page 9645 */ 9646 jQuery.fn.load = function( url, params, callback ) { 9647 var selector, type, response, 9648 self = this, 9649 off = url.indexOf( " " ); 9650 9651 if ( off > -1 ) { 9652 selector = jQuery.trim( url.slice( off ) ); 9653 url = url.slice( 0, off ); 9654 } 9655 9656 // If it's a function 9657 if ( jQuery.isFunction( params ) ) { 9658 9659 // We assume that it's the callback 9660 callback = params; 9661 params = undefined; 9662 9663 // Otherwise, build a param string 9664 } else if ( params && typeof params === "object" ) { 9665 type = "POST"; 9666 } 9667 9668 // If we have elements to modify, make the request 9669 if ( self.length > 0 ) { 9670 jQuery.ajax( { 9671 url: url, 9672 9673 // If "type" variable is undefined, then "GET" method will be used. 9674 // Make value of this field explicit since 9675 // user can override it through ajaxSetup method 9676 type: type || "GET", 9677 dataType: "html", 9678 data: params 9679 } ).done( function( responseText ) { 9680 9681 // Save response for use in complete callback 9682 response = arguments; 9683 9684 self.html( selector ? 9685 9686 // If a selector was specified, locate the right elements in a dummy div 9687 // Exclude scripts to avoid IE 'Permission Denied' errors 9688 jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) : 9689 9690 // Otherwise use the full result 9691 responseText ); 9692 9693 // If the request succeeds, this function gets "data", "status", "jqXHR" 9694 // but they are ignored because response was set above. 9695 // If it fails, this function gets "jqXHR", "status", "error" 9696 } ).always( callback && function( jqXHR, status ) { 9697 self.each( function() { 9698 callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] ); 9699 } ); 9700 } ); 9701 } 9702 9703 return this; 9704 }; 9705 9706 9707 9708 9709 // Attach a bunch of functions for handling common AJAX events 9710 jQuery.each( [ 9711 "ajaxStart", 9712 "ajaxStop", 9713 "ajaxComplete", 9714 "ajaxError", 9715 "ajaxSuccess", 9716 "ajaxSend" 9717 ], function( i, type ) { 9718 jQuery.fn[ type ] = function( fn ) { 9719 return this.on( type, fn ); 9720 }; 9721 } ); 9722 9723 9724 9725 9726 jQuery.expr.pseudos.animated = function( elem ) { 9727 return jQuery.grep( jQuery.timers, function( fn ) { 9728 return elem === fn.elem; 9729 } ).length; 9730 }; 9731 9732 9733 9734 9735 /** 9736 * Gets a window from an element 9737 */ 9738 function getWindow( elem ) { 9739 return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView; 9740 } 9741 9742 jQuery.offset = { 9743 setOffset: function( elem, options, i ) { 9744 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition, 9745 position = jQuery.css( elem, "position" ), 9746 curElem = jQuery( elem ), 9747 props = {}; 9748 9749 // Set position first, in-case top/left are set even on static elem 9750 if ( position === "static" ) { 9751 elem.style.position = "relative"; 9752 } 9753 9754 curOffset = curElem.offset(); 9755 curCSSTop = jQuery.css( elem, "top" ); 9756 curCSSLeft = jQuery.css( elem, "left" ); 9757 calculatePosition = ( position === "absolute" || position === "fixed" ) && 9758 ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1; 9759 9760 // Need to be able to calculate position if either 9761 // top or left is auto and position is either absolute or fixed 9762 if ( calculatePosition ) { 9763 curPosition = curElem.position(); 9764 curTop = curPosition.top; 9765 curLeft = curPosition.left; 9766 9767 } else { 9768 curTop = parseFloat( curCSSTop ) || 0; 9769 curLeft = parseFloat( curCSSLeft ) || 0; 9770 } 9771 9772 if ( jQuery.isFunction( options ) ) { 9773 9774 // Use jQuery.extend here to allow modification of coordinates argument (gh-1848) 9775 options = options.call( elem, i, jQuery.extend( {}, curOffset ) ); 9776 } 9777 9778 if ( options.top != null ) { 9779 props.top = ( options.top - curOffset.top ) + curTop; 9780 } 9781 if ( options.left != null ) { 9782 props.left = ( options.left - curOffset.left ) + curLeft; 9783 } 9784 9785 if ( "using" in options ) { 9786 options.using.call( elem, props ); 9787 9788 } else { 9789 curElem.css( props ); 9790 } 9791 } 9792 }; 9793 9794 jQuery.fn.extend( { 9795 offset: function( options ) { 9796 9797 // Preserve chaining for setter 9798 if ( arguments.length ) { 9799 return options === undefined ? 9800 this : 9801 this.each( function( i ) { 9802 jQuery.offset.setOffset( this, options, i ); 9803 } ); 9804 } 9805 9806 var docElem, win, rect, doc, 9807 elem = this[ 0 ]; 9808 9809 if ( !elem ) { 9810 return; 9811 } 9812 9813 // Support: IE <=11 only 9814 // Running getBoundingClientRect on a 9815 // disconnected node in IE throws an error 9816 if ( !elem.getClientRects().length ) { 9817 return { top: 0, left: 0 }; 9818 } 9819 9820 rect = elem.getBoundingClientRect(); 9821 9822 // Make sure element is not hidden (display: none) 9823 if ( rect.width || rect.height ) { 9824 doc = elem.ownerDocument; 9825 win = getWindow( doc ); 9826 docElem = doc.documentElement; 9827 9828 return { 9829 top: rect.top + win.pageYOffset - docElem.clientTop, 9830 left: rect.left + win.pageXOffset - docElem.clientLeft 9831 }; 9832 } 9833 9834 // Return zeros for disconnected and hidden elements (gh-2310) 9835 return rect; 9836 }, 9837 9838 position: function() { 9839 if ( !this[ 0 ] ) { 9840 return; 9841 } 9842 9843 var offsetParent, offset, 9844 elem = this[ 0 ], 9845 parentOffset = { top: 0, left: 0 }; 9846 9847 // Fixed elements are offset from window (parentOffset = {top:0, left: 0}, 9848 // because it is its only offset parent 9849 if ( jQuery.css( elem, "position" ) === "fixed" ) { 9850 9851 // Assume getBoundingClientRect is there when computed position is fixed 9852 offset = elem.getBoundingClientRect(); 9853 9854 } else { 9855 9856 // Get *real* offsetParent 9857 offsetParent = this.offsetParent(); 9858 9859 // Get correct offsets 9860 offset = this.offset(); 9861 if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) { 9862 parentOffset = offsetParent.offset(); 9863 } 9864 9865 // Add offsetParent borders 9866 parentOffset = { 9867 top: parentOffset.top + jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ), 9868 left: parentOffset.left + jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true ) 9869 }; 9870 } 9871 9872 // Subtract parent offsets and element margins 9873 return { 9874 top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ), 9875 left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true ) 9876 }; 9877 }, 9878 9879 // This method will return documentElement in the following cases: 9880 // 1) For the element inside the iframe without offsetParent, this method will return 9881 // documentElement of the parent window 9882 // 2) For the hidden or detached element 9883 // 3) For body or html element, i.e. in case of the html node - it will return itself 9884 // 9885 // but those exceptions were never presented as a real life use-cases 9886 // and might be considered as more preferable results. 9887 // 9888 // This logic, however, is not guaranteed and can change at any point in the future 9889 offsetParent: function() { 9890 return this.map( function() { 9891 var offsetParent = this.offsetParent; 9892 9893 while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) { 9894 offsetParent = offsetParent.offsetParent; 9895 } 9896 9897 return offsetParent || documentElement; 9898 } ); 9899 } 9900 } ); 9901 9902 // Create scrollLeft and scrollTop methods 9903 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) { 9904 var top = "pageYOffset" === prop; 9905 9906 jQuery.fn[ method ] = function( val ) { 9907 return access( this, function( elem, method, val ) { 9908 var win = getWindow( elem ); 9909 9910 if ( val === undefined ) { 9911 return win ? win[ prop ] : elem[ method ]; 9912 } 9913 9914 if ( win ) { 9915 win.scrollTo( 9916 !top ? val : win.pageXOffset, 9917 top ? val : win.pageYOffset 9918 ); 9919 9920 } else { 9921 elem[ method ] = val; 9922 } 9923 }, method, val, arguments.length ); 9924 }; 9925 } ); 9926 9927 // Support: Safari <=7 - 9.1, Chrome <=37 - 49 9928 // Add the top/left cssHooks using jQuery.fn.position 9929 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084 9930 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347 9931 // getComputedStyle returns percent when specified for top/left/bottom/right; 9932 // rather than make the css module depend on the offset module, just check for it here 9933 jQuery.each( [ "top", "left" ], function( i, prop ) { 9934 jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition, 9935 function( elem, computed ) { 9936 if ( computed ) { 9937 computed = curCSS( elem, prop ); 9938 9939 // If curCSS returns percentage, fallback to offset 9940 return rnumnonpx.test( computed ) ? 9941 jQuery( elem ).position()[ prop ] + "px" : 9942 computed; 9943 } 9944 } 9945 ); 9946 } ); 9947 9948 9949 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods 9950 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) { 9951 jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, 9952 function( defaultExtra, funcName ) { 9953 9954 // Margin is only for outerHeight, outerWidth 9955 jQuery.fn[ funcName ] = function( margin, value ) { 9956 var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ), 9957 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" ); 9958 9959 return access( this, function( elem, type, value ) { 9960 var doc; 9961 9962 if ( jQuery.isWindow( elem ) ) { 9963 9964 // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729) 9965 return funcName.indexOf( "outer" ) === 0 ? 9966 elem[ "inner" + name ] : 9967 elem.document.documentElement[ "client" + name ]; 9968 } 9969 9970 // Get document width or height 9971 if ( elem.nodeType === 9 ) { 9972 doc = elem.documentElement; 9973 9974 // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], 9975 // whichever is greatest 9976 return Math.max( 9977 elem.body[ "scroll" + name ], doc[ "scroll" + name ], 9978 elem.body[ "offset" + name ], doc[ "offset" + name ], 9979 doc[ "client" + name ] 9980 ); 9981 } 9982 9983 return value === undefined ? 9984 9985 // Get width or height on the element, requesting but not forcing parseFloat 9986 jQuery.css( elem, type, extra ) : 9987 9988 // Set width or height on the element 9989 jQuery.style( elem, type, value, extra ); 9990 }, type, chainable ? margin : undefined, chainable ); 9991 }; 9992 } ); 9993 } ); 9994 9995 9996 jQuery.fn.extend( { 9997 9998 bind: function( types, data, fn ) { 9999 return this.on( types, null, data, fn ); 10000 }, 10001 unbind: function( types, fn ) { 10002 return this.off( types, null, fn ); 10003 }, 10004 10005 delegate: function( selector, types, data, fn ) { 10006 return this.on( types, selector, data, fn ); 10007 }, 10008 undelegate: function( selector, types, fn ) { 10009 10010 // ( namespace ) or ( selector, types [, fn] ) 10011 return arguments.length === 1 ? 10012 this.off( selector, "**" ) : 10013 this.off( types, selector || "**", fn ); 10014 } 10015 } ); 10016 10017 jQuery.parseJSON = JSON.parse; 10018 10019 10020 10021 10022 // Register as a named AMD module, since jQuery can be concatenated with other 10023 // files that may use define, but not via a proper concatenation script that 10024 // understands anonymous AMD modules. A named AMD is safest and most robust 10025 // way to register. Lowercase jquery is used because AMD module names are 10026 // derived from file names, and jQuery is normally delivered in a lowercase 10027 // file name. Do this after creating the global so that if an AMD module wants 10028 // to call noConflict to hide this version of jQuery, it will work. 10029 10030 // Note that for maximum portability, libraries that are not jQuery should 10031 // declare themselves as anonymous modules, and avoid setting a global if an 10032 // AMD loader is present. jQuery is a special case. For more information, see 10033 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon 10034 10035 if ( typeof define === "function" && define.amd ) { 10036 define( "jquery", [], function() { 10037 return jQuery; 10038 } ); 10039 } 10040 10041 10042 10043 10044 10045 var 10046 10047 // Map over jQuery in case of overwrite 10048 _jQuery = window.jQuery, 10049 10050 // Map over the $ in case of overwrite 10051 _$ = window.$; 10052 10053 jQuery.noConflict = function( deep ) { 10054 if ( window.$ === jQuery ) { 10055 window.$ = _$; 10056 } 10057 10058 if ( deep && window.jQuery === jQuery ) { 10059 window.jQuery = _jQuery; 10060 } 10061 10062 return jQuery; 10063 }; 10064 10065 // Expose jQuery and $ identifiers, even in AMD 10066 // (#7102#comment:10, https://github.com/jquery/jquery/pull/557) 10067 // and CommonJS for browser emulators (#13566) 10068 if ( !noGlobal ) { 10069 window.jQuery = window.$ = jQuery; 10070 } 10071 10072 10073 return jQuery; 10074 } );
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