How to use elem.nodeName.toLowerCase method in Cypress

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jquery-1.10.2.js

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1/*!2 * jquery javascript library v1.10.23 * http://jquery.com/4 *5 * includes sizzle.js6 * http://sizzlejs.com/7 *8 * copyright 2005, 2013 jquery foundation, inc. and other contributors9 * released under the mit license10 * http://jquery.org/license11 *12 * date: 2013-07-03t13:48z13 */14(function( window, undefined ) {15// can't do this because several apps including asp.net trace16// the stack via arguments.caller.callee and firefox dies if17// you try to trace through "use strict" call chains. (#13335)18// support: firefox 18+19//"use strict";20 var21 // the deferred used on dom ready22 readylist,23 // a central reference to the root jquery(document)24 rootjquery,25 // support: ie<1026 // for `typeof xmlnode.method` instead of `xmlnode.method !== undefined`27 core_strundefined = typeof undefined,28 // use the correct document accordingly with window argument (sandbox)29 location = window.location,30 document = window.document,31 docelem = document.documentelement,32 // map over jquery in case of overwrite33 _jquery = window.jquery,34 // map over the $ in case of overwrite35 _$ = window.$,36 // [[class]] -> type pairs37 class2type = {},38 // list of deleted data cache ids, so we can reuse them39 core_deletedids = [],40 core_version = "1.10.2",41 // save a reference to some core methods42 core_concat = core_deletedids.concat,43 core_push = core_deletedids.push,44 core_slice = core_deletedids.slice,45 core_indexof = core_deletedids.indexof,46 core_tostring = class2type.tostring,47 core_hasown = class2type.hasownproperty,48 core_trim = core_version.trim,49 // define a local copy of jquery50 jquery = function( selector, context ) {51 // the jquery object is actually just the init constructor 'enhanced'52 return new jquery.fn.init( selector, context, rootjquery );53 },54 // used for matching numbers55 core_pnum = /[+-]?(?:\d*\.|)\d+(?:[ee][+-]?\d+|)/.source,56 // used for splitting on whitespace57 core_rnotwhite = /\s+/g,58 // make sure we trim bom and nbsp (here's looking at you, safari 5.0 and ie)59 rtrim = /^[\s\ufeff\xa0]+|[\s\ufeff\xa0]+$/g,60 // a simple way to check for html strings61 // prioritize #id over <tag> to avoid xss via location.hash (#9521)62 // strict html recognition (#11290: must start with <)63 rquickexpr = /^(?:\s*(<[\w\w]+>)[^>]*|#([\w-]*))$/,64 // match a standalone tag65 rsingletag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,66 // json regexp67 rvalidchars = /^[\],:{}\s]*$/,68 rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,69 rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fa-f]{4})/g,70 rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[ee][+-]?\d+|)/g,71 // matches dashed string for camelizing72 rmsprefix = /^-ms-/,73 rdashalpha = /-([\da-z])/gi,74 // used by jquery.camelcase as callback to replace()75 fcamelcase = function( all, letter ) {76 return letter.touppercase();77 },78 // the ready event handler79 completed = function( event ) {80 // readystate === "complete" is good enough for us to call the dom ready in oldie81 if ( document.addeventlistener || event.type === "load" || document.readystate === "complete" ) {82 detach();83 jquery.ready();84 }85 },86 // clean-up method for dom ready events87 detach = function() {88 if ( document.addeventlistener ) {89 document.removeeventlistener( "domcontentloaded", completed, false );90 window.removeeventlistener( "load", completed, false );91 } else {92 document.detachevent( "onreadystatechange", completed );93 window.detachevent( "onload", completed );94 }95 };96 jquery.fn = jquery.prototype = {97 // the current version of jquery being used98 jquery: core_version,99 constructor: jquery,100 init: function( selector, context, rootjquery ) {101 var match, elem;102 // handle: $(""), $(null), $(undefined), $(false)103 if ( !selector ) {104 return this;105 }106 // handle html strings107 if ( typeof selector === "string" ) {108 if ( selector.charat(0) === "<" && selector.charat( selector.length - 1 ) === ">" && selector.length >= 3 ) {109 // assume that strings that start and end with <> are html and skip the regex check110 match = [ null, selector, null ];111 } else {112 match = rquickexpr.exec( selector );113 }114 // match html or make sure no context is specified for #id115 if ( match && (match[1] || !context) ) {116 // handle: $(html) -> $(array)117 if ( match[1] ) {118 context = context instanceof jquery ? context[0] : context;119 // scripts is true for back-compat120 jquery.merge( this, jquery.parsehtml(121 match[1],122 context && context.nodetype ? context.ownerdocument || context : document,123 true124 ) );125 // handle: $(html, props)126 if ( rsingletag.test( match[1] ) && jquery.isplainobject( context ) ) {127 for ( match in context ) {128 // properties of context are called as methods if possible129 if ( jquery.isfunction( this[ match ] ) ) {130 this[ match ]( context[ match ] );131 // ...and otherwise set as attributes132 } else {133 this.attr( match, context[ match ] );134 }135 }136 }137 return this;138 // handle: $(#id)139 } else {140 elem = document.getelementbyid( match[2] );141 // check parentnode to catch when blackberry 4.6 returns142 // nodes that are no longer in the document #6963143 if ( elem && elem.parentnode ) {144 // handle the case where ie and opera return items145 // by name instead of id146 if ( elem.id !== match[2] ) {147 return rootjquery.find( selector );148 }149 // otherwise, we inject the element directly into the jquery object150 this.length = 1;151 this[0] = elem;152 }153 this.context = document;154 this.selector = selector;155 return this;156 }157 // handle: $(expr, $(...))158 } else if ( !context || context.jquery ) {159 return ( context || rootjquery ).find( selector );160 // handle: $(expr, context)161 // (which is just equivalent to: $(context).find(expr)162 } else {163 return this.constructor( context ).find( selector );164 }165 // handle: $(domelement)166 } else if ( selector.nodetype ) {167 this.context = this[0] = selector;168 this.length = 1;169 return this;170 // handle: $(function)171 // shortcut for document ready172 } else if ( jquery.isfunction( selector ) ) {173 return rootjquery.ready( selector );174 }175 if ( selector.selector !== undefined ) {176 this.selector = selector.selector;177 this.context = selector.context;178 }179 return jquery.makearray( selector, this );180 },181 // start with an empty selector182 selector: "",183 // the default length of a jquery object is 0184 length: 0,185 toarray: function() {186 return core_slice.call( this );187 },188 // get the nth element in the matched element set or189 // get the whole matched element set as a clean array190 get: function( num ) {191 return num == null ?192 // return a 'clean' array193 this.toarray() :194 // return just the object195 ( num < 0 ? this[ this.length + num ] : this[ num ] );196 },197 // take an array of elements and push it onto the stack198 // (returning the new matched element set)199 pushstack: function( elems ) {200 // build a new jquery matched element set201 var ret = jquery.merge( this.constructor(), elems );202 // add the old object onto the stack (as a reference)203 ret.prevobject = this;204 ret.context = this.context;205 // return the newly-formed element set206 return ret;207 },208 // execute a callback for every element in the matched set.209 // (you can seed the arguments with an array of args, but this is210 // only used internally.)211 each: function( callback, args ) {212 return jquery.each( this, callback, args );213 },214 ready: function( fn ) {215 // add the callback216 jquery.ready.promise().done( fn );217 return this;218 },219 slice: function() {220 return this.pushstack( core_slice.apply( this, arguments ) );221 },222 first: function() {223 return this.eq( 0 );224 },225 last: function() {226 return this.eq( -1 );227 },228 eq: function( i ) {229 var len = this.length,230 j = +i + ( i < 0 ? len : 0 );231 return this.pushstack( j >= 0 && j < len ? [ this[j] ] : [] );232 },233 map: function( callback ) {234 return this.pushstack( jquery.map(this, function( elem, i ) {235 return callback.call( elem, i, elem );236 }));237 },238 end: function() {239 return this.prevobject || this.constructor(null);240 },241 // for internal use only.242 // behaves like an array's method, not like a jquery method.243 push: core_push,244 sort: [].sort,245 splice: [].splice246 };247// give the init function the jquery prototype for later instantiation248 jquery.fn.init.prototype = jquery.fn;249 jquery.extend = jquery.fn.extend = function() {250 var src, copyisarray, copy, name, options, clone,251 target = arguments[0] || {},252 i = 1,253 length = arguments.length,254 deep = false;255 // handle a deep copy situation256 if ( typeof target === "boolean" ) {257 deep = target;258 target = arguments[1] || {};259 // skip the boolean and the target260 i = 2;261 }262 // handle case when target is a string or something (possible in deep copy)263 if ( typeof target !== "object" && !jquery.isfunction(target) ) {264 target = {};265 }266 // extend jquery itself if only one argument is passed267 if ( length === i ) {268 target = this;269 --i;270 }271 for ( ; i < length; i++ ) {272 // only deal with non-null/undefined values273 if ( (options = arguments[ i ]) != null ) {274 // extend the base object275 for ( name in options ) {276 src = target[ name ];277 copy = options[ name ];278 // prevent never-ending loop279 if ( target === copy ) {280 continue;281 }282 // recurse if we're merging plain objects or arrays283 if ( deep && copy && ( jquery.isplainobject(copy) || (copyisarray = jquery.isarray(copy)) ) ) {284 if ( copyisarray ) {285 copyisarray = false;286 clone = src && jquery.isarray(src) ? src : [];287 } else {288 clone = src && jquery.isplainobject(src) ? src : {};289 }290 // never move original objects, clone them291 target[ name ] = jquery.extend( deep, clone, copy );292 // don't bring in undefined values293 } else if ( copy !== undefined ) {294 target[ name ] = copy;295 }296 }297 }298 }299 // return the modified object300 return target;301 };302 jquery.extend({303 // unique for each copy of jquery on the page304 // non-digits removed to match rinlinejquery305 expando: "jquery" + ( core_version + math.random() ).replace( /\d/g, "" ),306 noconflict: function( deep ) {307 if ( window.$ === jquery ) {308 window.$ = _$;309 }310 if ( deep && window.jquery === jquery ) {311 window.jquery = _jquery;312 }313 return jquery;314 },315 // is the dom ready to be used? set to true once it occurs.316 isready: false,317 // a counter to track how many items to wait for before318 // the ready event fires. see #6781319 readywait: 1,320 // hold (or release) the ready event321 holdready: function( hold ) {322 if ( hold ) {323 jquery.readywait++;324 } else {325 jquery.ready( true );326 }327 },328 // handle when the dom is ready329 ready: function( wait ) {330 // abort if there are pending holds or we're already ready331 if ( wait === true ? --jquery.readywait : jquery.isready ) {332 return;333 }334 // make sure body exists, at least, in case ie gets a little overzealous (ticket #5443).335 if ( !document.body ) {336 return settimeout( jquery.ready );337 }338 // remember that the dom is ready339 jquery.isready = true;340 // if a normal dom ready event fired, decrement, and wait if need be341 if ( wait !== true && --jquery.readywait > 0 ) {342 return;343 }344 // if there are functions bound, to execute345 readylist.resolvewith( document, [ jquery ] );346 // trigger any bound ready events347 if ( jquery.fn.trigger ) {348 jquery( document ).trigger("ready").off("ready");349 }350 },351 // see test/unit/core.js for details concerning isfunction.352 // since version 1.3, dom methods and functions like alert353 // aren't supported. they return false on ie (#2968).354 isfunction: function( obj ) {355 return jquery.type(obj) === "function";356 },357 isarray: array.isarray || function( obj ) {358 return jquery.type(obj) === "array";359 },360 iswindow: function( obj ) {361 /* jshint eqeqeq: false */362 return obj != null && obj == obj.window;363 },364 isnumeric: function( obj ) {365 return !isnan( parsefloat(obj) ) && isfinite( obj );366 },367 type: function( obj ) {368 if ( obj == null ) {369 return string( obj );370 }371 return typeof obj === "object" || typeof obj === "function" ?372 class2type[ core_tostring.call(obj) ] || "object" :373 typeof obj;374 },375 isplainobject: function( obj ) {376 var key;377 // must be an object.378 // because of ie, we also have to check the presence of the constructor property.379 // make sure that dom nodes and window objects don't pass through, as well380 if ( !obj || jquery.type(obj) !== "object" || obj.nodetype || jquery.iswindow( obj ) ) {381 return false;382 }383 try {384 // not own constructor property must be object385 if ( obj.constructor &&386 !core_hasown.call(obj, "constructor") &&387 !core_hasown.call(obj.constructor.prototype, "isprototypeof") ) {388 return false;389 }390 } catch ( e ) {391 // ie8,9 will throw exceptions on certain host objects #9897392 return false;393 }394 // support: ie<9395 // handle iteration over inherited properties before own properties.396 if ( jquery.support.ownlast ) {397 for ( key in obj ) {398 return core_hasown.call( obj, key );399 }400 }401 // own properties are enumerated firstly, so to speed up,402 // if last one is own, then all properties are own.403 for ( key in obj ) {}404 return key === undefined || core_hasown.call( obj, key );405 },406 isemptyobject: function( obj ) {407 var name;408 for ( name in obj ) {409 return false;410 }411 return true;412 },413 error: function( msg ) {414 throw new error( msg );415 },416 // data: string of html417 // context (optional): if specified, the fragment will be created in this context, defaults to document418 // keepscripts (optional): if true, will include scripts passed in the html string419 parsehtml: function( data, context, keepscripts ) {420 if ( !data || typeof data !== "string" ) {421 return null;422 }423 if ( typeof context === "boolean" ) {424 keepscripts = context;425 context = false;426 }427 context = context || document;428 var parsed = rsingletag.exec( data ),429 scripts = !keepscripts && [];430 // single tag431 if ( parsed ) {432 return [ context.createelement( parsed[1] ) ];433 }434 parsed = jquery.buildfragment( [ data ], context, scripts );435 if ( scripts ) {436 jquery( scripts ).remove();437 }438 return jquery.merge( [], parsed.childnodes );439 },440 parsejson: function( data ) {441 // attempt to parse using the native json parser first442 if ( window.json && window.json.parse ) {443 return window.json.parse( data );444 }445 if ( data === null ) {446 return data;447 }448 if ( typeof data === "string" ) {449 // make sure leading/trailing whitespace is removed (ie can't handle it)450 data = jquery.trim( data );451 if ( data ) {452 // make sure the incoming data is actual json453 // logic borrowed from http://json.org/json2.js454 if ( rvalidchars.test( data.replace( rvalidescape, "@" )455 .replace( rvalidtokens, "]" )456 .replace( rvalidbraces, "")) ) {457 return ( new function( "return " + data ) )();458 }459 }460 }461 jquery.error( "invalid json: " + data );462 },463 // cross-browser xml parsing464 parsexml: function( data ) {465 var xml, tmp;466 if ( !data || typeof data !== "string" ) {467 return null;468 }469 try {470 if ( window.domparser ) { // standard471 tmp = new domparser();472 xml = tmp.parsefromstring( data , "text/xml" );473 } else { // ie474 xml = new activexobject( "microsoft.xmldom" );475 xml.async = "false";476 xml.loadxml( data );477 }478 } catch( e ) {479 xml = undefined;480 }481 if ( !xml || !xml.documentelement || xml.getelementsbytagname( "parsererror" ).length ) {482 jquery.error( "invalid xml: " + data );483 }484 return xml;485 },486 noop: function() {},487 // evaluates a script in a global context488 // workarounds based on findings by jim driscoll489 // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context490 globaleval: function( data ) {491 if ( data && jquery.trim( data ) ) {492 // we use execscript on internet explorer493 // we use an anonymous function so that context is window494 // rather than jquery in firefox495 ( window.execscript || function( data ) {496 window[ "eval" ].call( window, data );497 } )( data );498 }499 },500 // convert dashed to camelcase; used by the css and data modules501 // microsoft forgot to hump their vendor prefix (#9572)502 camelcase: function( string ) {503 return string.replace( rmsprefix, "ms-" ).replace( rdashalpha, fcamelcase );504 },505 nodename: function( elem, name ) {506 return elem.nodename && elem.nodename.tolowercase() === name.tolowercase();507 },508 // args is for internal usage only509 each: function( obj, callback, args ) {510 var value,511 i = 0,512 length = obj.length,513 isarray = isarraylike( obj );514 if ( args ) {515 if ( isarray ) {516 for ( ; i < length; i++ ) {517 value = callback.apply( obj[ i ], args );518 if ( value === false ) {519 break;520 }521 }522 } else {523 for ( i in obj ) {524 value = callback.apply( obj[ i ], args );525 if ( value === false ) {526 break;527 }528 }529 }530 // a special, fast, case for the most common use of each531 } else {532 if ( isarray ) {533 for ( ; i < length; i++ ) {534 value = callback.call( obj[ i ], i, obj[ i ] );535 if ( value === false ) {536 break;537 }538 }539 } else {540 for ( i in obj ) {541 value = callback.call( obj[ i ], i, obj[ i ] );542 if ( value === false ) {543 break;544 }545 }546 }547 }548 return obj;549 },550 // use native string.trim function wherever possible551 trim: core_trim && !core_trim.call("\ufeff\xa0") ?552 function( text ) {553 return text == null ?554 "" :555 core_trim.call( text );556 } :557 // otherwise use our own trimming functionality558 function( text ) {559 return text == null ?560 "" :561 ( text + "" ).replace( rtrim, "" );562 },563 // results is for internal usage only564 makearray: function( arr, results ) {565 var ret = results || [];566 if ( arr != null ) {567 if ( isarraylike( object(arr) ) ) {568 jquery.merge( ret,569 typeof arr === "string" ?570 [ arr ] : arr571 );572 } else {573 core_push.call( ret, arr );574 }575 }576 return ret;577 },578 inarray: function( elem, arr, i ) {579 var len;580 if ( arr ) {581 if ( core_indexof ) {582 return core_indexof.call( arr, elem, i );583 }584 len = arr.length;585 i = i ? i < 0 ? math.max( 0, len + i ) : i : 0;586 for ( ; i < len; i++ ) {587 // skip accessing in sparse arrays588 if ( i in arr && arr[ i ] === elem ) {589 return i;590 }591 }592 }593 return -1;594 },595 merge: function( first, second ) {596 var l = second.length,597 i = first.length,598 j = 0;599 if ( typeof l === "number" ) {600 for ( ; j < l; j++ ) {601 first[ i++ ] = second[ j ];602 }603 } else {604 while ( second[j] !== undefined ) {605 first[ i++ ] = second[ j++ ];606 }607 }608 first.length = i;609 return first;610 },611 grep: function( elems, callback, inv ) {612 var retval,613 ret = [],614 i = 0,615 length = elems.length;616 inv = !!inv;617 // go through the array, only saving the items618 // that pass the validator function619 for ( ; i < length; i++ ) {620 retval = !!callback( elems[ i ], i );621 if ( inv !== retval ) {622 ret.push( elems[ i ] );623 }624 }625 return ret;626 },627 // arg is for internal usage only628 map: function( elems, callback, arg ) {629 var value,630 i = 0,631 length = elems.length,632 isarray = isarraylike( elems ),633 ret = [];634 // go through the array, translating each of the items to their635 if ( isarray ) {636 for ( ; i < length; i++ ) {637 value = callback( elems[ i ], i, arg );638 if ( value != null ) {639 ret[ ret.length ] = value;640 }641 }642 // go through every key on the object,643 } else {644 for ( i in elems ) {645 value = callback( elems[ i ], i, arg );646 if ( value != null ) {647 ret[ ret.length ] = value;648 }649 }650 }651 // flatten any nested arrays652 return core_concat.apply( [], ret );653 },654 // a global guid counter for objects655 guid: 1,656 // bind a function to a context, optionally partially applying any657 // arguments.658 proxy: function( fn, context ) {659 var args, proxy, tmp;660 if ( typeof context === "string" ) {661 tmp = fn[ context ];662 context = fn;663 fn = tmp;664 }665 // quick check to determine if target is callable, in the spec666 // this throws a typeerror, but we will just return undefined.667 if ( !jquery.isfunction( fn ) ) {668 return undefined;669 }670 // simulated bind671 args = core_slice.call( arguments, 2 );672 proxy = function() {673 return fn.apply( context || this, args.concat( core_slice.call( arguments ) ) );674 };675 // set the guid of unique handler to the same of original handler, so it can be removed676 proxy.guid = fn.guid = fn.guid || jquery.guid++;677 return proxy;678 },679 // multifunctional method to get and set values of a collection680 // the value/s can optionally be executed if it's a function681 access: function( elems, fn, key, value, chainable, emptyget, raw ) {682 var i = 0,683 length = elems.length,684 bulk = key == null;685 // sets many values686 if ( jquery.type( key ) === "object" ) {687 chainable = true;688 for ( i in key ) {689 jquery.access( elems, fn, i, key[i], true, emptyget, raw );690 }691 // sets one value692 } else if ( value !== undefined ) {693 chainable = true;694 if ( !jquery.isfunction( value ) ) {695 raw = true;696 }697 if ( bulk ) {698 // bulk operations run against the entire set699 if ( raw ) {700 fn.call( elems, value );701 fn = null;702 // ...except when executing function values703 } else {704 bulk = fn;705 fn = function( elem, key, value ) {706 return bulk.call( jquery( elem ), value );707 };708 }709 }710 if ( fn ) {711 for ( ; i < length; i++ ) {712 fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );713 }714 }715 }716 return chainable ?717 elems :718 // gets719 bulk ?720 fn.call( elems ) :721 length ? fn( elems[0], key ) : emptyget;722 },723 now: function() {724 return ( new date() ).gettime();725 },726 // a method for quickly swapping in/out css properties to get correct calculations.727 // note: this method belongs to the css module but it's needed here for the support module.728 // if support gets modularized, this method should be moved back to the css module.729 swap: function( elem, options, callback, args ) {730 var ret, name,731 old = {};732 // remember the old values, and insert the new ones733 for ( name in options ) {734 old[ name ] = elem.style[ name ];735 elem.style[ name ] = options[ name ];736 }737 ret = callback.apply( elem, args || [] );738 // revert the old values739 for ( name in options ) {740 elem.style[ name ] = old[ name ];741 }742 return ret;743 }744 });745 jquery.ready.promise = function( obj ) {746 if ( !readylist ) {747 readylist = jquery.deferred();748 // catch cases where $(document).ready() is called after the browser event has already occurred.749 // we once tried to use readystate "interactive" here, but it caused issues like the one750 // discovered by chriss here: http://bugs.jquery.com/ticket/12282#comment:15751 if ( document.readystate === "complete" ) {752 // handle it asynchronously to allow scripts the opportunity to delay ready753 settimeout( jquery.ready );754 // standards-based browsers support domcontentloaded755 } else if ( document.addeventlistener ) {756 // use the handy event callback757 document.addeventlistener( "domcontentloaded", completed, false );758 // a fallback to window.onload, that will always work759 window.addeventlistener( "load", completed, false );760 // if ie event model is used761 } else {762 // ensure firing before onload, maybe late but safe also for iframes763 document.attachevent( "onreadystatechange", completed );764 // a fallback to window.onload, that will always work765 window.attachevent( "onload", completed );766 // if ie and not a frame767 // continually check to see if the document is ready768 var top = false;769 try {770 top = window.frameelement == null && document.documentelement;771 } catch(e) {}772 if ( top && top.doscroll ) {773 (function doscrollcheck() {774 if ( !jquery.isready ) {775 try {776 // use the trick by diego perini777 // http://javascript.nwbox.com/iecontentloaded/778 top.doscroll("left");779 } catch(e) {780 return settimeout( doscrollcheck, 50 );781 }782 // detach all dom ready events783 detach();784 // and execute any waiting functions785 jquery.ready();786 }787 })();788 }789 }790 }791 return readylist.promise( obj );792 };793// populate the class2type map794 jquery.each("boolean number string function array date regexp object error".split(" "), function(i, name) {795 class2type[ "[object " + name + "]" ] = name.tolowercase();796 });797 function isarraylike( obj ) {798 var length = obj.length,799 type = jquery.type( obj );800 if ( jquery.iswindow( obj ) ) {801 return false;802 }803 if ( obj.nodetype === 1 && length ) {804 return true;805 }806 return type === "array" || type !== "function" &&807 ( length === 0 ||808 typeof length === "number" && length > 0 && ( length - 1 ) in obj );809 }810// all jquery objects should point back to these811 rootjquery = jquery(document);812 /*!813 * sizzle css selector engine v1.10.2814 * http://sizzlejs.com/815 *816 * copyright 2013 jquery foundation, inc. and other contributors817 * released under the mit license818 * http://jquery.org/license819 *820 * date: 2013-07-03821 */822 (function( window, undefined ) {823 var i,824 support,825 cachedruns,826 expr,827 gettext,828 isxml,829 compile,830 outermostcontext,831 sortinput,832 // local document vars833 setdocument,834 document,835 docelem,836 documentishtml,837 rbuggyqsa,838 rbuggymatches,839 matches,840 contains,841 // instance-specific data842 expando = "sizzle" + -(new date()),843 preferreddoc = window.document,844 dirruns = 0,845 done = 0,846 classcache = createcache(),847 tokencache = createcache(),848 compilercache = createcache(),849 hasduplicate = false,850 sortorder = function( a, b ) {851 if ( a === b ) {852 hasduplicate = true;853 return 0;854 }855 return 0;856 },857 // general-purpose constants858 strundefined = typeof undefined,859 max_negative = 1 << 31,860 // instance methods861 hasown = ({}).hasownproperty,862 arr = [],863 pop = arr.pop,864 push_native = arr.push,865 push = arr.push,866 slice = arr.slice,867 // use a stripped-down indexof if we can't use a native one868 indexof = arr.indexof || function( elem ) {869 var i = 0,870 len = this.length;871 for ( ; i < len; i++ ) {872 if ( this[i] === elem ) {873 return i;874 }875 }876 return -1;877 },878 booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",879 // regular expressions880 // whitespace characters http://www.w3.org/tr/css3-selectors/#whitespace881 whitespace = "[\\x20\\t\\r\\n\\f]",882 // http://www.w3.org/tr/css3-syntax/#characters883 characterencoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",884 // loosely modeled on css identifier characters885 // an unquoted value should be a css identifier http://www.w3.org/tr/css3-selectors/#attribute-selectors886 // proper syntax: http://www.w3.org/tr/css21/syndata.html#value-def-identifier887 identifier = characterencoding.replace( "w", "w#" ),888 // acceptable operators http://www.w3.org/tr/selectors/#attribute-selectors889 attributes = "\\[" + whitespace + "*(" + characterencoding + ")" + whitespace +890 "*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",891 // prefer arguments quoted,892 // then not containing pseudos/brackets,893 // then attribute selectors/non-parenthetical expressions,894 // then anything else895 // these preferences are here to reduce the number of selectors896 // needing tokenize in the pseudo prefilter897 pseudos = ":(" + characterencoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)",898 // leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter899 rtrim = new regexp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),900 rcomma = new regexp( "^" + whitespace + "*," + whitespace + "*" ),901 rcombinators = new regexp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),902 rsibling = new regexp( whitespace + "*[+~]" ),903 rattributequotes = new regexp( "=" + whitespace + "*([^\\]'\"]*)" + whitespace + "*\\]", "g" ),904 rpseudo = new regexp( pseudos ),905 ridentifier = new regexp( "^" + identifier + "$" ),906 matchexpr = {907 "id": new regexp( "^#(" + characterencoding + ")" ),908 "class": new regexp( "^\\.(" + characterencoding + ")" ),909 "tag": new regexp( "^(" + characterencoding.replace( "w", "w*" ) + ")" ),910 "attr": new regexp( "^" + attributes ),911 "pseudo": new regexp( "^" + pseudos ),912 "child": new regexp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +913 "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +914 "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),915 "bool": new regexp( "^(?:" + booleans + ")$", "i" ),916 // for use in libraries implementing .is()917 // we use this for pos matching in `select`918 "needscontext": new regexp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +919 whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )920 },921 rnative = /^[^{]+\{\s*\[native \w/,922 // easily-parseable/retrievable id or tag or class selectors923 rquickexpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,924 rinputs = /^(?:input|select|textarea|button)$/i,925 rheader = /^h\d$/i,926 rescape = /'|\\/g,927 // css escapes http://www.w3.org/tr/css21/syndata.html#escaped-characters928 runescape = new regexp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),929 funescape = function( _, escaped, escapedwhitespace ) {930 var high = "0x" + escaped - 0x10000;931 // nan means non-codepoint932 // support: firefox933 // workaround erroneous numeric interpretation of +"0x"934 return high !== high || escapedwhitespace ?935 escaped :936 // bmp codepoint937 high < 0 ?938 string.fromcharcode( high + 0x10000 ) :939 // supplemental plane codepoint (surrogate pair)940 string.fromcharcode( high >> 10 | 0xd800, high & 0x3ff | 0xdc00 );941 };942// optimize for push.apply( _, nodelist )943 try {944 push.apply(945 (arr = slice.call( preferreddoc.childnodes )),946 preferreddoc.childnodes947 );948 // support: android<4.0949 // detect silently failing push.apply950 arr[ preferreddoc.childnodes.length ].nodetype;951 } catch ( e ) {952 push = { apply: arr.length ?953 // leverage slice if possible954 function( target, els ) {955 push_native.apply( target, slice.call(els) );956 } :957 // support: ie<9958 // otherwise append directly959 function( target, els ) {960 var j = target.length,961 i = 0;962 // can't trust nodelist.length963 while ( (target[j++] = els[i++]) ) {}964 target.length = j - 1;965 }966 };967 }968 function sizzle( selector, context, results, seed ) {969 var match, elem, m, nodetype,970 // qsa vars971 i, groups, old, nid, newcontext, newselector;972 if ( ( context ? context.ownerdocument || context : preferreddoc ) !== document ) {973 setdocument( context );974 }975 context = context || document;976 results = results || [];977 if ( !selector || typeof selector !== "string" ) {978 return results;979 }980 if ( (nodetype = context.nodetype) !== 1 && nodetype !== 9 ) {981 return [];982 }983 if ( documentishtml && !seed ) {984 // shortcuts985 if ( (match = rquickexpr.exec( selector )) ) {986 // speed-up: sizzle("#id")987 if ( (m = match[1]) ) {988 if ( nodetype === 9 ) {989 elem = context.getelementbyid( m );990 // check parentnode to catch when blackberry 4.6 returns991 // nodes that are no longer in the document #6963992 if ( elem && elem.parentnode ) {993 // handle the case where ie, opera, and webkit return items994 // by name instead of id995 if ( elem.id === m ) {996 results.push( elem );997 return results;998 }999 } else {1000 return results;1001 }1002 } else {1003 // context is not a document1004 if ( context.ownerdocument && (elem = context.ownerdocument.getelementbyid( m )) &&1005 contains( context, elem ) && elem.id === m ) {1006 results.push( elem );1007 return results;1008 }1009 }1010 // speed-up: sizzle("tag")1011 } else if ( match[2] ) {1012 push.apply( results, context.getelementsbytagname( selector ) );1013 return results;1014 // speed-up: sizzle(".class")1015 } else if ( (m = match[3]) && support.getelementsbyclassname && context.getelementsbyclassname ) {1016 push.apply( results, context.getelementsbyclassname( m ) );1017 return results;1018 }1019 }1020 // qsa path1021 if ( support.qsa && (!rbuggyqsa || !rbuggyqsa.test( selector )) ) {1022 nid = old = expando;1023 newcontext = context;1024 newselector = nodetype === 9 && selector;1025 // qsa works strangely on element-rooted queries1026 // we can work around this by specifying an extra id on the root1027 // and working up from there (thanks to andrew dupont for the technique)1028 // ie 8 doesn't work on object elements1029 if ( nodetype === 1 && context.nodename.tolowercase() !== "object" ) {1030 groups = tokenize( selector );1031 if ( (old = context.getattribute("id")) ) {1032 nid = old.replace( rescape, "\\$&" );1033 } else {1034 context.setattribute( "id", nid );1035 }1036 nid = "[id='" + nid + "'] ";1037 i = groups.length;1038 while ( i-- ) {1039 groups[i] = nid + toselector( groups[i] );1040 }1041 newcontext = rsibling.test( selector ) && context.parentnode || context;1042 newselector = groups.join(",");1043 }1044 if ( newselector ) {1045 try {1046 push.apply( results,1047 newcontext.queryselectorall( newselector )1048 );1049 return results;1050 } catch(qsaerror) {1051 } finally {1052 if ( !old ) {1053 context.removeattribute("id");1054 }1055 }1056 }1057 }1058 }1059 // all others1060 return select( selector.replace( rtrim, "$1" ), context, results, seed );1061 }1062 /**1063 * create key-value caches of limited size1064 * @returns {function(string, object)} returns the object data after storing it on itself with1065 * property name the (space-suffixed) string and (if the cache is larger than expr.cachelength)1066 * deleting the oldest entry1067 */1068 function createcache() {1069 var keys = [];1070 function cache( key, value ) {1071 // use (key + " ") to avoid collision with native prototype properties (see issue #157)1072 if ( keys.push( key += " " ) > expr.cachelength ) {1073 // only keep the most recent entries1074 delete cache[ keys.shift() ];1075 }1076 return (cache[ key ] = value);1077 }1078 return cache;1079 }1080 /**1081 * mark a function for special use by sizzle1082 * @param {function} fn the function to mark1083 */1084 function markfunction( fn ) {1085 fn[ expando ] = true;1086 return fn;1087 }1088 /**1089 * support testing using an element1090 * @param {function} fn passed the created div and expects a boolean result1091 */1092 function assert( fn ) {1093 var div = document.createelement("div");1094 try {1095 return !!fn( div );1096 } catch (e) {1097 return false;1098 } finally {1099 // remove from its parent by default1100 if ( div.parentnode ) {1101 div.parentnode.removechild( div );1102 }1103 // release memory in ie1104 div = null;1105 }1106 }1107 /**1108 * adds the same handler for all of the specified attrs1109 * @param {string} attrs pipe-separated list of attributes1110 * @param {function} handler the method that will be applied1111 */1112 function addhandle( attrs, handler ) {1113 var arr = attrs.split("|"),1114 i = attrs.length;1115 while ( i-- ) {1116 expr.attrhandle[ arr[i] ] = handler;1117 }1118 }1119 /**1120 * checks document order of two siblings1121 * @param {element} a1122 * @param {element} b1123 * @returns {number} returns less than 0 if a precedes b, greater than 0 if a follows b1124 */1125 function siblingcheck( a, b ) {1126 var cur = b && a,1127 diff = cur && a.nodetype === 1 && b.nodetype === 1 &&1128 ( ~b.sourceindex || max_negative ) -1129 ( ~a.sourceindex || max_negative );1130 // use ie sourceindex if available on both nodes1131 if ( diff ) {1132 return diff;1133 }1134 // check if b follows a1135 if ( cur ) {1136 while ( (cur = cur.nextsibling) ) {1137 if ( cur === b ) {1138 return -1;1139 }1140 }1141 }1142 return a ? 1 : -1;1143 }1144 /**1145 * returns a function to use in pseudos for input types1146 * @param {string} type1147 */1148 function createinputpseudo( type ) {1149 return function( elem ) {1150 var name = elem.nodename.tolowercase();1151 return name === "input" && elem.type === type;1152 };1153 }1154 /**1155 * returns a function to use in pseudos for buttons1156 * @param {string} type1157 */1158 function createbuttonpseudo( type ) {1159 return function( elem ) {1160 var name = elem.nodename.tolowercase();1161 return (name === "input" || name === "button") && elem.type === type;1162 };1163 }1164 /**1165 * returns a function to use in pseudos for positionals1166 * @param {function} fn1167 */1168 function createpositionalpseudo( fn ) {1169 return markfunction(function( argument ) {1170 argument = +argument;1171 return markfunction(function( seed, matches ) {1172 var j,1173 matchindexes = fn( [], seed.length, argument ),1174 i = matchindexes.length;1175 // match elements found at the specified indexes1176 while ( i-- ) {1177 if ( seed[ (j = matchindexes[i]) ] ) {1178 seed[j] = !(matches[j] = seed[j]);1179 }1180 }1181 });1182 });1183 }1184 /**1185 * detect xml1186 * @param {element|object} elem an element or a document1187 */1188 isxml = sizzle.isxml = function( elem ) {1189 // documentelement is verified for cases where it doesn't yet exist1190 // (such as loading iframes in ie - #4833)1191 var documentelement = elem && (elem.ownerdocument || elem).documentelement;1192 return documentelement ? documentelement.nodename !== "html" : false;1193 };1194// expose support vars for convenience1195 support = sizzle.support = {};1196 /**1197 * sets document-related variables once based on the current document1198 * @param {element|object} [doc] an element or document object to use to set the document1199 * @returns {object} returns the current document1200 */1201 setdocument = sizzle.setdocument = function( node ) {1202 var doc = node ? node.ownerdocument || node : preferreddoc,1203 parent = doc.defaultview;1204 // if no document and documentelement is available, return1205 if ( doc === document || doc.nodetype !== 9 || !doc.documentelement ) {1206 return document;1207 }1208 // set our document1209 document = doc;1210 docelem = doc.documentelement;1211 // support tests1212 documentishtml = !isxml( doc );1213 // support: ie>81214 // if iframe document is assigned to "document" variable and if iframe has been reloaded,1215 // ie will throw "permission denied" error when accessing "document" variable, see jquery #139361216 // ie6-8 do not support the defaultview property so parent will be undefined1217 if ( parent && parent.attachevent && parent !== parent.top ) {1218 parent.attachevent( "onbeforeunload", function() {1219 setdocument();1220 });1221 }1222 /* attributes1223 ---------------------------------------------------------------------- */1224 // support: ie<81225 // verify that getattribute really returns attributes and not properties (excepting ie8 booleans)1226 support.attributes = assert(function( div ) {1227 div.classname = "i";1228 return !div.getattribute("classname");1229 });1230 /* getelement(s)by*1231 ---------------------------------------------------------------------- */1232 // check if getelementsbytagname("*") returns only elements1233 support.getelementsbytagname = assert(function( div ) {1234 div.appendchild( doc.createcomment("") );1235 return !div.getelementsbytagname("*").length;1236 });1237 // check if getelementsbyclassname can be trusted1238 support.getelementsbyclassname = assert(function( div ) {1239 div.innerhtml = "<div class='a'></div><div class='a i'></div>";1240 // support: safari<41241 // catch class over-caching1242 div.firstchild.classname = "i";1243 // support: opera<101244 // catch gebcn failure to find non-leading classes1245 return div.getelementsbyclassname("i").length === 2;1246 });1247 // support: ie<101248 // check if getelementbyid returns elements by name1249 // the broken getelementbyid methods don't pick up programatically-set names,1250 // so use a roundabout getelementsbyname test1251 support.getbyid = assert(function( div ) {1252 docelem.appendchild( div ).id = expando;1253 return !doc.getelementsbyname || !doc.getelementsbyname( expando ).length;1254 });1255 // id find and filter1256 if ( support.getbyid ) {1257 expr.find["id"] = function( id, context ) {1258 if ( typeof context.getelementbyid !== strundefined && documentishtml ) {1259 var m = context.getelementbyid( id );1260 // check parentnode to catch when blackberry 4.6 returns1261 // nodes that are no longer in the document #69631262 return m && m.parentnode ? [m] : [];1263 }1264 };1265 expr.filter["id"] = function( id ) {1266 var attrid = id.replace( runescape, funescape );1267 return function( elem ) {1268 return elem.getattribute("id") === attrid;1269 };1270 };1271 } else {1272 // support: ie6/71273 // getelementbyid is not reliable as a find shortcut1274 delete expr.find["id"];1275 expr.filter["id"] = function( id ) {1276 var attrid = id.replace( runescape, funescape );1277 return function( elem ) {1278 var node = typeof elem.getattributenode !== strundefined && elem.getattributenode("id");1279 return node && node.value === attrid;1280 };1281 };1282 }1283 // tag1284 expr.find["tag"] = support.getelementsbytagname ?1285 function( tag, context ) {1286 if ( typeof context.getelementsbytagname !== strundefined ) {1287 return context.getelementsbytagname( tag );1288 }1289 } :1290 function( tag, context ) {1291 var elem,1292 tmp = [],1293 i = 0,1294 results = context.getelementsbytagname( tag );1295 // filter out possible comments1296 if ( tag === "*" ) {1297 while ( (elem = results[i++]) ) {1298 if ( elem.nodetype === 1 ) {1299 tmp.push( elem );1300 }1301 }1302 return tmp;1303 }1304 return results;1305 };1306 // class1307 expr.find["class"] = support.getelementsbyclassname && function( classname, context ) {1308 if ( typeof context.getelementsbyclassname !== strundefined && documentishtml ) {1309 return context.getelementsbyclassname( classname );1310 }1311 };1312 /* qsa/matchesselector1313 ---------------------------------------------------------------------- */1314 // qsa and matchesselector support1315 // matchesselector(:active) reports false when true (ie9/opera 11.5)1316 rbuggymatches = [];1317 // qsa(:focus) reports false when true (chrome 21)1318 // we allow this because of a bug in ie8/9 that throws an error1319 // whenever `document.activeelement` is accessed on an iframe1320 // so, we allow :focus to pass through qsa all the time to avoid the ie error1321 // see http://bugs.jquery.com/ticket/133781322 rbuggyqsa = [];1323 if ( (support.qsa = rnative.test( doc.queryselectorall )) ) {1324 // build qsa regex1325 // regex strategy adopted from diego perini1326 assert(function( div ) {1327 // select is set to empty string on purpose1328 // this is to test ie's treatment of not explicitly1329 // setting a boolean content attribute,1330 // since its presence should be enough1331 // http://bugs.jquery.com/ticket/123591332 div.innerhtml = "<select><option selected=''></option></select>";1333 // support: ie81334 // boolean attributes and "value" are not treated correctly1335 if ( !div.queryselectorall("[selected]").length ) {1336 rbuggyqsa.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );1337 }1338 // webkit/opera - :checked should return selected option elements1339 // http://www.w3.org/tr/2011/rec-css3-selectors-20110929/#checked1340 // ie8 throws error here and will not see later tests1341 if ( !div.queryselectorall(":checked").length ) {1342 rbuggyqsa.push(":checked");1343 }1344 });1345 assert(function( div ) {1346 // support: opera 10-12/ie81347 // ^= $= *= and empty values1348 // should not select anything1349 // support: windows 8 native apps1350 // the type attribute is restricted during .innerhtml assignment1351 var input = doc.createelement("input");1352 input.setattribute( "type", "hidden" );1353 div.appendchild( input ).setattribute( "t", "" );1354 if ( div.queryselectorall("[t^='']").length ) {1355 rbuggyqsa.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );1356 }1357 // ff 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)1358 // ie8 throws error here and will not see later tests1359 if ( !div.queryselectorall(":enabled").length ) {1360 rbuggyqsa.push( ":enabled", ":disabled" );1361 }1362 // opera 10-11 does not throw on post-comma invalid pseudos1363 div.queryselectorall("*,:x");1364 rbuggyqsa.push(",.*:");1365 });1366 }1367 if ( (support.matchesselector = rnative.test( (matches = docelem.webkitmatchesselector ||1368 docelem.mozmatchesselector ||1369 docelem.omatchesselector ||1370 docelem.msmatchesselector) )) ) {1371 assert(function( div ) {1372 // check to see if it's possible to do matchesselector1373 // on a disconnected node (ie 9)1374 support.disconnectedmatch = matches.call( div, "div" );1375 // this should fail with an exception1376 // gecko does not error, returns false instead1377 matches.call( div, "[s!='']:x" );1378 rbuggymatches.push( "!=", pseudos );1379 });1380 }1381 rbuggyqsa = rbuggyqsa.length && new regexp( rbuggyqsa.join("|") );1382 rbuggymatches = rbuggymatches.length && new regexp( rbuggymatches.join("|") );1383 /* contains1384 ---------------------------------------------------------------------- */1385 // element contains another1386 // purposefully does not implement inclusive descendent1387 // as in, an element does not contain itself1388 contains = rnative.test( docelem.contains ) || docelem.comparedocumentposition ?1389 function( a, b ) {1390 var adown = a.nodetype === 9 ? a.documentelement : a,1391 bup = b && b.parentnode;1392 return a === bup || !!( bup && bup.nodetype === 1 && (1393 adown.contains ?1394 adown.contains( bup ) :1395 a.comparedocumentposition && a.comparedocumentposition( bup ) & 161396 ));1397 } :1398 function( a, b ) {1399 if ( b ) {1400 while ( (b = b.parentnode) ) {1401 if ( b === a ) {1402 return true;1403 }1404 }1405 }1406 return false;1407 };1408 /* sorting1409 ---------------------------------------------------------------------- */1410 // document order sorting1411 sortorder = docelem.comparedocumentposition ?1412 function( a, b ) {1413 // flag for duplicate removal1414 if ( a === b ) {1415 hasduplicate = true;1416 return 0;1417 }1418 var compare = b.comparedocumentposition && a.comparedocumentposition && a.comparedocumentposition( b );1419 if ( compare ) {1420 // disconnected nodes1421 if ( compare & 1 ||1422 (!support.sortdetached && b.comparedocumentposition( a ) === compare) ) {1423 // choose the first element that is related to our preferred document1424 if ( a === doc || contains(preferreddoc, a) ) {1425 return -1;1426 }1427 if ( b === doc || contains(preferreddoc, b) ) {1428 return 1;1429 }1430 // maintain original order1431 return sortinput ?1432 ( indexof.call( sortinput, a ) - indexof.call( sortinput, b ) ) :1433 0;1434 }1435 return compare & 4 ? -1 : 1;1436 }1437 // not directly comparable, sort on existence of method1438 return a.comparedocumentposition ? -1 : 1;1439 } :1440 function( a, b ) {1441 var cur,1442 i = 0,1443 aup = a.parentnode,1444 bup = b.parentnode,1445 ap = [ a ],1446 bp = [ b ];1447 // exit early if the nodes are identical1448 if ( a === b ) {1449 hasduplicate = true;1450 return 0;1451 // parentless nodes are either documents or disconnected1452 } else if ( !aup || !bup ) {1453 return a === doc ? -1 :1454 b === doc ? 1 :1455 aup ? -1 :1456 bup ? 1 :1457 sortinput ?1458 ( indexof.call( sortinput, a ) - indexof.call( sortinput, b ) ) :1459 0;1460 // if the nodes are siblings, we can do a quick check1461 } else if ( aup === bup ) {1462 return siblingcheck( a, b );1463 }1464 // otherwise we need full lists of their ancestors for comparison1465 cur = a;1466 while ( (cur = cur.parentnode) ) {1467 ap.unshift( cur );1468 }1469 cur = b;1470 while ( (cur = cur.parentnode) ) {1471 bp.unshift( cur );1472 }1473 // walk down the tree looking for a discrepancy1474 while ( ap[i] === bp[i] ) {1475 i++;1476 }1477 return i ?1478 // do a sibling check if the nodes have a common ancestor1479 siblingcheck( ap[i], bp[i] ) :1480 // otherwise nodes in our document sort first1481 ap[i] === preferreddoc ? -1 :1482 bp[i] === preferreddoc ? 1 :1483 0;1484 };1485 return doc;1486 };1487 sizzle.matches = function( expr, elements ) {1488 return sizzle( expr, null, null, elements );1489 };1490 sizzle.matchesselector = function( elem, expr ) {1491 // set document vars if needed1492 if ( ( elem.ownerdocument || elem ) !== document ) {1493 setdocument( elem );1494 }1495 // make sure that attribute selectors are quoted1496 expr = expr.replace( rattributequotes, "='$1']" );1497 if ( support.matchesselector && documentishtml &&1498 ( !rbuggymatches || !rbuggymatches.test( expr ) ) &&1499 ( !rbuggyqsa || !rbuggyqsa.test( expr ) ) ) {1500 try {1501 var ret = matches.call( elem, expr );1502 // ie 9's matchesselector returns false on disconnected nodes1503 if ( ret || support.disconnectedmatch ||1504 // as well, disconnected nodes are said to be in a document1505 // fragment in ie 91506 elem.document && elem.document.nodetype !== 11 ) {1507 return ret;1508 }1509 } catch(e) {}1510 }1511 return sizzle( expr, document, null, [elem] ).length > 0;1512 };1513 sizzle.contains = function( context, elem ) {1514 // set document vars if needed1515 if ( ( context.ownerdocument || context ) !== document ) {1516 setdocument( context );1517 }1518 return contains( context, elem );1519 };1520 sizzle.attr = function( elem, name ) {1521 // set document vars if needed1522 if ( ( elem.ownerdocument || elem ) !== document ) {1523 setdocument( elem );1524 }1525 var fn = expr.attrhandle[ name.tolowercase() ],1526 // don't get fooled by object.prototype properties (jquery #13807)1527 val = fn && hasown.call( expr.attrhandle, name.tolowercase() ) ?1528 fn( elem, name, !documentishtml ) :1529 undefined;1530 return val === undefined ?1531 support.attributes || !documentishtml ?1532 elem.getattribute( name ) :1533 (val = elem.getattributenode(name)) && val.specified ?1534 val.value :1535 null :1536 val;1537 };1538 sizzle.error = function( msg ) {1539 throw new error( "syntax error, unrecognized expression: " + msg );1540 };1541 /**1542 * document sorting and removing duplicates1543 * @param {arraylike} results1544 */1545 sizzle.uniquesort = function( results ) {1546 var elem,1547 duplicates = [],1548 j = 0,1549 i = 0;1550 // unless we *know* we can detect duplicates, assume their presence1551 hasduplicate = !support.detectduplicates;1552 sortinput = !support.sortstable && results.slice( 0 );1553 results.sort( sortorder );1554 if ( hasduplicate ) {1555 while ( (elem = results[i++]) ) {1556 if ( elem === results[ i ] ) {1557 j = duplicates.push( i );1558 }1559 }1560 while ( j-- ) {1561 results.splice( duplicates[ j ], 1 );1562 }1563 }1564 return results;1565 };1566 /**1567 * utility function for retrieving the text value of an array of dom nodes1568 * @param {array|element} elem1569 */1570 gettext = sizzle.gettext = function( elem ) {1571 var node,1572 ret = "",1573 i = 0,1574 nodetype = elem.nodetype;1575 if ( !nodetype ) {1576 // if no nodetype, this is expected to be an array1577 for ( ; (node = elem[i]); i++ ) {1578 // do not traverse comment nodes1579 ret += gettext( node );1580 }1581 } else if ( nodetype === 1 || nodetype === 9 || nodetype === 11 ) {1582 // use textcontent for elements1583 // innertext usage removed for consistency of new lines (see #11153)1584 if ( typeof elem.textcontent === "string" ) {1585 return elem.textcontent;1586 } else {1587 // traverse its children1588 for ( elem = elem.firstchild; elem; elem = elem.nextsibling ) {1589 ret += gettext( elem );1590 }1591 }1592 } else if ( nodetype === 3 || nodetype === 4 ) {1593 return elem.nodevalue;1594 }1595 // do not include comment or processing instruction nodes1596 return ret;1597 };1598 expr = sizzle.selectors = {1599 // can be adjusted by the user1600 cachelength: 50,1601 createpseudo: markfunction,1602 match: matchexpr,1603 attrhandle: {},1604 find: {},1605 relative: {1606 ">": { dir: "parentnode", first: true },1607 " ": { dir: "parentnode" },1608 "+": { dir: "previoussibling", first: true },1609 "~": { dir: "previoussibling" }1610 },1611 prefilter: {1612 "attr": function( match ) {1613 match[1] = match[1].replace( runescape, funescape );1614 // move the given value to match[3] whether quoted or unquoted1615 match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape );1616 if ( match[2] === "~=" ) {1617 match[3] = " " + match[3] + " ";1618 }1619 return match.slice( 0, 4 );1620 },1621 "child": function( match ) {1622 /* matches from matchexpr["child"]1623 1 type (only|nth|...)1624 2 what (child|of-type)1625 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)1626 4 xn-component of xn+y argument ([+-]?\d*n|)1627 5 sign of xn-component1628 6 x of xn-component1629 7 sign of y-component1630 8 y of y-component1631 */1632 match[1] = match[1].tolowercase();1633 if ( match[1].slice( 0, 3 ) === "nth" ) {1634 // nth-* requires argument1635 if ( !match[3] ) {1636 sizzle.error( match[0] );1637 }1638 // numeric x and y parameters for expr.filter.child1639 // remember that false/true cast respectively to 0/11640 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );1641 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );1642 // other types prohibit arguments1643 } else if ( match[3] ) {1644 sizzle.error( match[0] );1645 }1646 return match;1647 },1648 "pseudo": function( match ) {1649 var excess,1650 unquoted = !match[5] && match[2];1651 if ( matchexpr["child"].test( match[0] ) ) {1652 return null;1653 }1654 // accept quoted arguments as-is1655 if ( match[3] && match[4] !== undefined ) {1656 match[2] = match[4];1657 // strip excess characters from unquoted arguments1658 } else if ( unquoted && rpseudo.test( unquoted ) &&1659 // get excess from tokenize (recursively)1660 (excess = tokenize( unquoted, true )) &&1661 // advance to the next closing parenthesis1662 (excess = unquoted.indexof( ")", unquoted.length - excess ) - unquoted.length) ) {1663 // excess is a negative index1664 match[0] = match[0].slice( 0, excess );1665 match[2] = unquoted.slice( 0, excess );1666 }1667 // return only captures needed by the pseudo filter method (type and argument)1668 return match.slice( 0, 3 );1669 }1670 },1671 filter: {1672 "tag": function( nodenameselector ) {1673 var nodename = nodenameselector.replace( runescape, funescape ).tolowercase();1674 return nodenameselector === "*" ?1675 function() { return true; } :1676 function( elem ) {1677 return elem.nodename && elem.nodename.tolowercase() === nodename;1678 };1679 },1680 "class": function( classname ) {1681 var pattern = classcache[ classname + " " ];1682 return pattern ||1683 (pattern = new regexp( "(^|" + whitespace + ")" + classname + "(" + whitespace + "|$)" )) &&1684 classcache( classname, function( elem ) {1685 return pattern.test( typeof elem.classname === "string" && elem.classname || typeof elem.getattribute !== strundefined && elem.getattribute("class") || "" );1686 });1687 },1688 "attr": function( name, operator, check ) {1689 return function( elem ) {1690 var result = sizzle.attr( elem, name );1691 if ( result == null ) {1692 return operator === "!=";1693 }1694 if ( !operator ) {1695 return true;1696 }1697 result += "";1698 return operator === "=" ? result === check :1699 operator === "!=" ? result !== check :1700 operator === "^=" ? check && result.indexof( check ) === 0 :1701 operator === "*=" ? check && result.indexof( check ) > -1 :1702 operator === "$=" ? check && result.slice( -check.length ) === check :1703 operator === "~=" ? ( " " + result + " " ).indexof( check ) > -1 :1704 operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :1705 false;1706 };1707 },1708 "child": function( type, what, argument, first, last ) {1709 var simple = type.slice( 0, 3 ) !== "nth",1710 forward = type.slice( -4 ) !== "last",1711 oftype = what === "of-type";1712 return first === 1 && last === 0 ?1713 // shortcut for :nth-*(n)1714 function( elem ) {1715 return !!elem.parentnode;1716 } :1717 function( elem, context, xml ) {1718 var cache, outercache, node, diff, nodeindex, start,1719 dir = simple !== forward ? "nextsibling" : "previoussibling",1720 parent = elem.parentnode,1721 name = oftype && elem.nodename.tolowercase(),1722 usecache = !xml && !oftype;1723 if ( parent ) {1724 // :(first|last|only)-(child|of-type)1725 if ( simple ) {1726 while ( dir ) {1727 node = elem;1728 while ( (node = node[ dir ]) ) {1729 if ( oftype ? node.nodename.tolowercase() === name : node.nodetype === 1 ) {1730 return false;1731 }1732 }1733 // reverse direction for :only-* (if we haven't yet done so)1734 start = dir = type === "only" && !start && "nextsibling";1735 }1736 return true;1737 }1738 start = [ forward ? parent.firstchild : parent.lastchild ];1739 // non-xml :nth-child(...) stores cache data on `parent`1740 if ( forward && usecache ) {1741 // seek `elem` from a previously-cached index1742 outercache = parent[ expando ] || (parent[ expando ] = {});1743 cache = outercache[ type ] || [];1744 nodeindex = cache[0] === dirruns && cache[1];1745 diff = cache[0] === dirruns && cache[2];1746 node = nodeindex && parent.childnodes[ nodeindex ];1747 while ( (node = ++nodeindex && node && node[ dir ] ||1748 // fallback to seeking `elem` from the start1749 (diff = nodeindex = 0) || start.pop()) ) {1750 // when found, cache indexes on `parent` and break1751 if ( node.nodetype === 1 && ++diff && node === elem ) {1752 outercache[ type ] = [ dirruns, nodeindex, diff ];1753 break;1754 }1755 }1756 // use previously-cached element index if available1757 } else if ( usecache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {1758 diff = cache[1];1759 // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)1760 } else {1761 // use the same loop as above to seek `elem` from the start1762 while ( (node = ++nodeindex && node && node[ dir ] ||1763 (diff = nodeindex = 0) || start.pop()) ) {1764 if ( ( oftype ? node.nodename.tolowercase() === name : node.nodetype === 1 ) && ++diff ) {1765 // cache the index of each encountered element1766 if ( usecache ) {1767 (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];1768 }1769 if ( node === elem ) {1770 break;1771 }1772 }1773 }1774 }1775 // incorporate the offset, then check against cycle size1776 diff -= last;1777 return diff === first || ( diff % first === 0 && diff / first >= 0 );1778 }1779 };1780 },1781 "pseudo": function( pseudo, argument ) {1782 // pseudo-class names are case-insensitive1783 // http://www.w3.org/tr/selectors/#pseudo-classes1784 // prioritize by case sensitivity in case custom pseudos are added with uppercase letters1785 // remember that setfilters inherits from pseudos1786 var args,1787 fn = expr.pseudos[ pseudo ] || expr.setfilters[ pseudo.tolowercase() ] ||1788 sizzle.error( "unsupported pseudo: " + pseudo );1789 // the user may use createpseudo to indicate that1790 // arguments are needed to create the filter function1791 // just as sizzle does1792 if ( fn[ expando ] ) {1793 return fn( argument );1794 }1795 // but maintain support for old signatures1796 if ( fn.length > 1 ) {1797 args = [ pseudo, pseudo, "", argument ];1798 return expr.setfilters.hasownproperty( pseudo.tolowercase() ) ?1799 markfunction(function( seed, matches ) {1800 var idx,1801 matched = fn( seed, argument ),1802 i = matched.length;1803 while ( i-- ) {1804 idx = indexof.call( seed, matched[i] );1805 seed[ idx ] = !( matches[ idx ] = matched[i] );1806 }1807 }) :1808 function( elem ) {1809 return fn( elem, 0, args );1810 };1811 }1812 return fn;1813 }1814 },1815 pseudos: {1816 // potentially complex pseudos1817 "not": markfunction(function( selector ) {1818 // trim the selector passed to compile1819 // to avoid treating leading and trailing1820 // spaces as combinators1821 var input = [],1822 results = [],1823 matcher = compile( selector.replace( rtrim, "$1" ) );1824 return matcher[ expando ] ?1825 markfunction(function( seed, matches, context, xml ) {1826 var elem,1827 unmatched = matcher( seed, null, xml, [] ),1828 i = seed.length;1829 // match elements unmatched by `matcher`1830 while ( i-- ) {1831 if ( (elem = unmatched[i]) ) {1832 seed[i] = !(matches[i] = elem);1833 }1834 }1835 }) :1836 function( elem, context, xml ) {1837 input[0] = elem;1838 matcher( input, null, xml, results );1839 return !results.pop();1840 };1841 }),1842 "has": markfunction(function( selector ) {1843 return function( elem ) {1844 return sizzle( selector, elem ).length > 0;1845 };1846 }),1847 "contains": markfunction(function( text ) {1848 return function( elem ) {1849 return ( elem.textcontent || elem.innertext || gettext( elem ) ).indexof( text ) > -1;1850 };1851 }),1852 // "whether an element is represented by a :lang() selector1853 // is based solely on the element's language value1854 // being equal to the identifier c,1855 // or beginning with the identifier c immediately followed by "-".1856 // the matching of c against the element's language value is performed case-insensitively.1857 // the identifier c does not have to be a valid language name."1858 // http://www.w3.org/tr/selectors/#lang-pseudo1859 "lang": markfunction( function( lang ) {1860 // lang value must be a valid identifier1861 if ( !ridentifier.test(lang || "") ) {1862 sizzle.error( "unsupported lang: " + lang );1863 }1864 lang = lang.replace( runescape, funescape ).tolowercase();1865 return function( elem ) {1866 var elemlang;1867 do {1868 if ( (elemlang = documentishtml ?1869 elem.lang :1870 elem.getattribute("xml:lang") || elem.getattribute("lang")) ) {1871 elemlang = elemlang.tolowercase();1872 return elemlang === lang || elemlang.indexof( lang + "-" ) === 0;1873 }1874 } while ( (elem = elem.parentnode) && elem.nodetype === 1 );1875 return false;1876 };1877 }),1878 // miscellaneous1879 "target": function( elem ) {1880 var hash = window.location && window.location.hash;1881 return hash && hash.slice( 1 ) === elem.id;1882 },1883 "root": function( elem ) {1884 return elem === docelem;1885 },1886 "focus": function( elem ) {1887 return elem === document.activeelement && (!document.hasfocus || document.hasfocus()) && !!(elem.type || elem.href || ~elem.tabindex);1888 },1889 // boolean properties1890 "enabled": function( elem ) {1891 return elem.disabled === false;1892 },1893 "disabled": function( elem ) {1894 return elem.disabled === true;1895 },1896 "checked": function( elem ) {1897 // in css3, :checked should return both checked and selected elements1898 // http://www.w3.org/tr/2011/rec-css3-selectors-20110929/#checked1899 var nodename = elem.nodename.tolowercase();1900 return (nodename === "input" && !!elem.checked) || (nodename === "option" && !!elem.selected);1901 },1902 "selected": function( elem ) {1903 // accessing this property makes selected-by-default1904 // options in safari work properly1905 if ( elem.parentnode ) {1906 elem.parentnode.selectedindex;1907 }1908 return elem.selected === true;1909 },1910 // contents1911 "empty": function( elem ) {1912 // http://www.w3.org/tr/selectors/#empty-pseudo1913 // :empty is only affected by element nodes and content nodes(including text(3), cdata(4)),1914 // not comment, processing instructions, or others1915 // thanks to diego perini for the nodename shortcut1916 // greater than "@" means alpha characters (specifically not starting with "#" or "?")1917 for ( elem = elem.firstchild; elem; elem = elem.nextsibling ) {1918 if ( elem.nodename > "@" || elem.nodetype === 3 || elem.nodetype === 4 ) {1919 return false;1920 }1921 }1922 return true;1923 },1924 "parent": function( elem ) {1925 return !expr.pseudos["empty"]( elem );1926 },1927 // element/input types1928 "header": function( elem ) {1929 return rheader.test( elem.nodename );1930 },1931 "input": function( elem ) {1932 return rinputs.test( elem.nodename );1933 },1934 "button": function( elem ) {1935 var name = elem.nodename.tolowercase();1936 return name === "input" && elem.type === "button" || name === "button";1937 },1938 "text": function( elem ) {1939 var attr;1940 // ie6 and 7 will map elem.type to 'text' for new html5 types (search, etc)1941 // use getattribute instead to test this case1942 return elem.nodename.tolowercase() === "input" &&1943 elem.type === "text" &&1944 ( (attr = elem.getattribute("type")) == null || attr.tolowercase() === elem.type );1945 },1946 // position-in-collection1947 "first": createpositionalpseudo(function() {1948 return [ 0 ];1949 }),1950 "last": createpositionalpseudo(function( matchindexes, length ) {1951 return [ length - 1 ];1952 }),1953 "eq": createpositionalpseudo(function( matchindexes, length, argument ) {1954 return [ argument < 0 ? argument + length : argument ];1955 }),1956 "even": createpositionalpseudo(function( matchindexes, length ) {1957 var i = 0;1958 for ( ; i < length; i += 2 ) {1959 matchindexes.push( i );1960 }1961 return matchindexes;1962 }),1963 "odd": createpositionalpseudo(function( matchindexes, length ) {1964 var i = 1;1965 for ( ; i < length; i += 2 ) {1966 matchindexes.push( i );1967 }1968 return matchindexes;1969 }),1970 "lt": createpositionalpseudo(function( matchindexes, length, argument ) {1971 var i = argument < 0 ? argument + length : argument;1972 for ( ; --i >= 0; ) {1973 matchindexes.push( i );1974 }1975 return matchindexes;1976 }),1977 "gt": createpositionalpseudo(function( matchindexes, length, argument ) {1978 var i = argument < 0 ? argument + length : argument;1979 for ( ; ++i < length; ) {1980 matchindexes.push( i );1981 }1982 return matchindexes;1983 })1984 }1985 };1986 expr.pseudos["nth"] = expr.pseudos["eq"];1987// add button/input type pseudos1988 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {1989 expr.pseudos[ i ] = createinputpseudo( i );1990 }1991 for ( i in { submit: true, reset: true } ) {1992 expr.pseudos[ i ] = createbuttonpseudo( i );1993 }1994// easy api for creating new setfilters1995 function setfilters() {}1996 setfilters.prototype = expr.filters = expr.pseudos;1997 expr.setfilters = new setfilters();1998 function tokenize( selector, parseonly ) {1999 var matched, match, tokens, type,2000 sofar, groups, prefilters,2001 cached = tokencache[ selector + " " ];2002 if ( cached ) {2003 return parseonly ? 0 : cached.slice( 0 );2004 }2005 sofar = selector;2006 groups = [];2007 prefilters = expr.prefilter;2008 while ( sofar ) {2009 // comma and first run2010 if ( !matched || (match = rcomma.exec( sofar )) ) {2011 if ( match ) {2012 // don't consume trailing commas as valid2013 sofar = sofar.slice( match[0].length ) || sofar;2014 }2015 groups.push( tokens = [] );2016 }2017 matched = false;2018 // combinators2019 if ( (match = rcombinators.exec( sofar )) ) {2020 matched = match.shift();2021 tokens.push({2022 value: matched,2023 // cast descendant combinators to space2024 type: match[0].replace( rtrim, " " )2025 });2026 sofar = sofar.slice( matched.length );2027 }2028 // filters2029 for ( type in expr.filter ) {2030 if ( (match = matchexpr[ type ].exec( sofar )) && (!prefilters[ type ] ||2031 (match = prefilters[ type ]( match ))) ) {2032 matched = match.shift();2033 tokens.push({2034 value: matched,2035 type: type,2036 matches: match2037 });2038 sofar = sofar.slice( matched.length );2039 }2040 }2041 if ( !matched ) {2042 break;2043 }2044 }2045 // return the length of the invalid excess2046 // if we're just parsing2047 // otherwise, throw an error or return tokens2048 return parseonly ?2049 sofar.length :2050 sofar ?2051 sizzle.error( selector ) :2052 // cache the tokens2053 tokencache( selector, groups ).slice( 0 );2054 }2055 function toselector( tokens ) {2056 var i = 0,2057 len = tokens.length,2058 selector = "";2059 for ( ; i < len; i++ ) {2060 selector += tokens[i].value;2061 }2062 return selector;2063 }2064 function addcombinator( matcher, combinator, base ) {2065 var dir = combinator.dir,2066 checknonelements = base && dir === "parentnode",2067 donename = done++;2068 return combinator.first ?2069 // check against closest ancestor/preceding element2070 function( elem, context, xml ) {2071 while ( (elem = elem[ dir ]) ) {2072 if ( elem.nodetype === 1 || checknonelements ) {2073 return matcher( elem, context, xml );2074 }2075 }2076 } :2077 // check against all ancestor/preceding elements2078 function( elem, context, xml ) {2079 var data, cache, outercache,2080 dirkey = dirruns + " " + donename;2081 // we can't set arbitrary data on xml nodes, so they don't benefit from dir caching2082 if ( xml ) {2083 while ( (elem = elem[ dir ]) ) {2084 if ( elem.nodetype === 1 || checknonelements ) {2085 if ( matcher( elem, context, xml ) ) {2086 return true;2087 }2088 }2089 }2090 } else {2091 while ( (elem = elem[ dir ]) ) {2092 if ( elem.nodetype === 1 || checknonelements ) {2093 outercache = elem[ expando ] || (elem[ expando ] = {});2094 if ( (cache = outercache[ dir ]) && cache[0] === dirkey ) {2095 if ( (data = cache[1]) === true || data === cachedruns ) {2096 return data === true;2097 }2098 } else {2099 cache = outercache[ dir ] = [ dirkey ];2100 cache[1] = matcher( elem, context, xml ) || cachedruns;2101 if ( cache[1] === true ) {2102 return true;2103 }2104 }2105 }2106 }2107 }2108 };2109 }2110 function elementmatcher( matchers ) {2111 return matchers.length > 1 ?2112 function( elem, context, xml ) {2113 var i = matchers.length;2114 while ( i-- ) {2115 if ( !matchers[i]( elem, context, xml ) ) {2116 return false;2117 }2118 }2119 return true;2120 } :2121 matchers[0];2122 }2123 function condense( unmatched, map, filter, context, xml ) {2124 var elem,2125 newunmatched = [],2126 i = 0,2127 len = unmatched.length,2128 mapped = map != null;2129 for ( ; i < len; i++ ) {2130 if ( (elem = unmatched[i]) ) {2131 if ( !filter || filter( elem, context, xml ) ) {2132 newunmatched.push( elem );2133 if ( mapped ) {2134 map.push( i );2135 }2136 }2137 }2138 }2139 return newunmatched;2140 }2141 function setmatcher( prefilter, selector, matcher, postfilter, postfinder, postselector ) {2142 if ( postfilter && !postfilter[ expando ] ) {2143 postfilter = setmatcher( postfilter );2144 }2145 if ( postfinder && !postfinder[ expando ] ) {2146 postfinder = setmatcher( postfinder, postselector );2147 }2148 return markfunction(function( seed, results, context, xml ) {2149 var temp, i, elem,2150 premap = [],2151 postmap = [],2152 preexisting = results.length,2153 // get initial elements from seed or context2154 elems = seed || multiplecontexts( selector || "*", context.nodetype ? [ context ] : context, [] ),2155 // prefilter to get matcher input, preserving a map for seed-results synchronization2156 matcherin = prefilter && ( seed || !selector ) ?2157 condense( elems, premap, prefilter, context, xml ) :2158 elems,2159 matcherout = matcher ?2160 // if we have a postfinder, or filtered seed, or non-seed postfilter or preexisting results,2161 postfinder || ( seed ? prefilter : preexisting || postfilter ) ?2162 // ...intermediate processing is necessary2163 [] :2164 // ...otherwise use results directly2165 results :2166 matcherin;2167 // find primary matches2168 if ( matcher ) {2169 matcher( matcherin, matcherout, context, xml );2170 }2171 // apply postfilter2172 if ( postfilter ) {2173 temp = condense( matcherout, postmap );2174 postfilter( temp, [], context, xml );2175 // un-match failing elements by moving them back to matcherin2176 i = temp.length;2177 while ( i-- ) {2178 if ( (elem = temp[i]) ) {2179 matcherout[ postmap[i] ] = !(matcherin[ postmap[i] ] = elem);2180 }2181 }2182 }2183 if ( seed ) {2184 if ( postfinder || prefilter ) {2185 if ( postfinder ) {2186 // get the final matcherout by condensing this intermediate into postfinder contexts2187 temp = [];2188 i = matcherout.length;2189 while ( i-- ) {2190 if ( (elem = matcherout[i]) ) {2191 // restore matcherin since elem is not yet a final match2192 temp.push( (matcherin[i] = elem) );2193 }2194 }2195 postfinder( null, (matcherout = []), temp, xml );2196 }2197 // move matched elements from seed to results to keep them synchronized2198 i = matcherout.length;2199 while ( i-- ) {2200 if ( (elem = matcherout[i]) &&2201 (temp = postfinder ? indexof.call( seed, elem ) : premap[i]) > -1 ) {2202 seed[temp] = !(results[temp] = elem);2203 }2204 }2205 }2206 // add elements to results, through postfinder if defined2207 } else {2208 matcherout = condense(2209 matcherout === results ?2210 matcherout.splice( preexisting, matcherout.length ) :2211 matcherout2212 );2213 if ( postfinder ) {2214 postfinder( null, results, matcherout, xml );2215 } else {2216 push.apply( results, matcherout );2217 }2218 }2219 });2220 }2221 function matcherfromtokens( tokens ) {2222 var checkcontext, matcher, j,2223 len = tokens.length,2224 leadingrelative = expr.relative[ tokens[0].type ],2225 implicitrelative = leadingrelative || expr.relative[" "],2226 i = leadingrelative ? 1 : 0,2227 // the foundational matcher ensures that elements are reachable from top-level context(s)2228 matchcontext = addcombinator( function( elem ) {2229 return elem === checkcontext;2230 }, implicitrelative, true ),2231 matchanycontext = addcombinator( function( elem ) {2232 return indexof.call( checkcontext, elem ) > -1;2233 }, implicitrelative, true ),2234 matchers = [ function( elem, context, xml ) {2235 return ( !leadingrelative && ( xml || context !== outermostcontext ) ) || (2236 (checkcontext = context).nodetype ?2237 matchcontext( elem, context, xml ) :2238 matchanycontext( elem, context, xml ) );2239 } ];2240 for ( ; i < len; i++ ) {2241 if ( (matcher = expr.relative[ tokens[i].type ]) ) {2242 matchers = [ addcombinator(elementmatcher( matchers ), matcher) ];2243 } else {2244 matcher = expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );2245 // return special upon seeing a positional matcher2246 if ( matcher[ expando ] ) {2247 // find the next relative operator (if any) for proper handling2248 j = ++i;2249 for ( ; j < len; j++ ) {2250 if ( expr.relative[ tokens[j].type ] ) {2251 break;2252 }2253 }2254 return setmatcher(2255 i > 1 && elementmatcher( matchers ),2256 i > 1 && toselector(2257 // if the preceding token was a descendant combinator, insert an implicit any-element `*`2258 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })2259 ).replace( rtrim, "$1" ),2260 matcher,2261 i < j && matcherfromtokens( tokens.slice( i, j ) ),2262 j < len && matcherfromtokens( (tokens = tokens.slice( j )) ),2263 j < len && toselector( tokens )2264 );2265 }2266 matchers.push( matcher );2267 }2268 }2269 return elementmatcher( matchers );2270 }2271 function matcherfromgroupmatchers( elementmatchers, setmatchers ) {2272 // a counter to specify which element is currently being matched2273 var matchercachedruns = 0,2274 byset = setmatchers.length > 0,2275 byelement = elementmatchers.length > 0,2276 supermatcher = function( seed, context, xml, results, expandcontext ) {2277 var elem, j, matcher,2278 setmatched = [],2279 matchedcount = 0,2280 i = "0",2281 unmatched = seed && [],2282 outermost = expandcontext != null,2283 contextbackup = outermostcontext,2284 // we must always have either seed elements or context2285 elems = seed || byelement && expr.find["tag"]( "*", expandcontext && context.parentnode || context ),2286 // use integer dirruns iff this is the outermost matcher2287 dirrunsunique = (dirruns += contextbackup == null ? 1 : math.random() || 0.1);2288 if ( outermost ) {2289 outermostcontext = context !== document && context;2290 cachedruns = matchercachedruns;2291 }2292 // add elements passing elementmatchers directly to results2293 // keep `i` a string if there are no elements so `matchedcount` will be "00" below2294 for ( ; (elem = elems[i]) != null; i++ ) {2295 if ( byelement && elem ) {2296 j = 0;2297 while ( (matcher = elementmatchers[j++]) ) {2298 if ( matcher( elem, context, xml ) ) {2299 results.push( elem );2300 break;2301 }2302 }2303 if ( outermost ) {2304 dirruns = dirrunsunique;2305 cachedruns = ++matchercachedruns;2306 }2307 }2308 // track unmatched elements for set filters2309 if ( byset ) {2310 // they will have gone through all possible matchers2311 if ( (elem = !matcher && elem) ) {2312 matchedcount--;2313 }2314 // lengthen the array for every element, matched or not2315 if ( seed ) {2316 unmatched.push( elem );2317 }2318 }2319 }2320 // apply set filters to unmatched elements2321 matchedcount += i;2322 if ( byset && i !== matchedcount ) {2323 j = 0;2324 while ( (matcher = setmatchers[j++]) ) {2325 matcher( unmatched, setmatched, context, xml );2326 }2327 if ( seed ) {2328 // reintegrate element matches to eliminate the need for sorting2329 if ( matchedcount > 0 ) {2330 while ( i-- ) {2331 if ( !(unmatched[i] || setmatched[i]) ) {2332 setmatched[i] = pop.call( results );2333 }2334 }2335 }2336 // discard index placeholder values to get only actual matches2337 setmatched = condense( setmatched );2338 }2339 // add matches to results2340 push.apply( results, setmatched );2341 // seedless set matches succeeding multiple successful matchers stipulate sorting2342 if ( outermost && !seed && setmatched.length > 0 &&2343 ( matchedcount + setmatchers.length ) > 1 ) {2344 sizzle.uniquesort( results );2345 }2346 }2347 // override manipulation of globals by nested matchers2348 if ( outermost ) {2349 dirruns = dirrunsunique;2350 outermostcontext = contextbackup;2351 }2352 return unmatched;2353 };2354 return byset ?2355 markfunction( supermatcher ) :2356 supermatcher;2357 }2358 compile = sizzle.compile = function( selector, group /* internal use only */ ) {2359 var i,2360 setmatchers = [],2361 elementmatchers = [],2362 cached = compilercache[ selector + " " ];2363 if ( !cached ) {2364 // generate a function of recursive functions that can be used to check each element2365 if ( !group ) {2366 group = tokenize( selector );2367 }2368 i = group.length;2369 while ( i-- ) {2370 cached = matcherfromtokens( group[i] );2371 if ( cached[ expando ] ) {2372 setmatchers.push( cached );2373 } else {2374 elementmatchers.push( cached );2375 }2376 }2377 // cache the compiled function2378 cached = compilercache( selector, matcherfromgroupmatchers( elementmatchers, setmatchers ) );2379 }2380 return cached;2381 };2382 function multiplecontexts( selector, contexts, results ) {2383 var i = 0,2384 len = contexts.length;2385 for ( ; i < len; i++ ) {2386 sizzle( selector, contexts[i], results );2387 }2388 return results;2389 }2390 function select( selector, context, results, seed ) {2391 var i, tokens, token, type, find,2392 match = tokenize( selector );2393 if ( !seed ) {2394 // try to minimize operations if there is only one group2395 if ( match.length === 1 ) {2396 // take a shortcut and set the context if the root selector is an id2397 tokens = match[0] = match[0].slice( 0 );2398 if ( tokens.length > 2 && (token = tokens[0]).type === "id" &&2399 support.getbyid && context.nodetype === 9 && documentishtml &&2400 expr.relative[ tokens[1].type ] ) {2401 context = ( expr.find["id"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];2402 if ( !context ) {2403 return results;2404 }2405 selector = selector.slice( tokens.shift().value.length );2406 }2407 // fetch a seed set for right-to-left matching2408 i = matchexpr["needscontext"].test( selector ) ? 0 : tokens.length;2409 while ( i-- ) {2410 token = tokens[i];2411 // abort if we hit a combinator2412 if ( expr.relative[ (type = token.type) ] ) {2413 break;2414 }2415 if ( (find = expr.find[ type ]) ) {2416 // search, expanding context for leading sibling combinators2417 if ( (seed = find(2418 token.matches[0].replace( runescape, funescape ),2419 rsibling.test( tokens[0].type ) && context.parentnode || context2420 )) ) {2421 // if seed is empty or no tokens remain, we can return early2422 tokens.splice( i, 1 );2423 selector = seed.length && toselector( tokens );2424 if ( !selector ) {2425 push.apply( results, seed );2426 return results;2427 }2428 break;2429 }2430 }2431 }2432 }2433 }2434 // compile and execute a filtering function2435 // provide `match` to avoid retokenization if we modified the selector above2436 compile( selector, match )(2437 seed,2438 context,2439 !documentishtml,2440 results,2441 rsibling.test( selector )2442 );2443 return results;2444 }2445// one-time assignments2446// sort stability2447 support.sortstable = expando.split("").sort( sortorder ).join("") === expando;2448// support: chrome<142449// always assume duplicates if they aren't passed to the comparison function2450 support.detectduplicates = hasduplicate;2451// initialize against the default document2452 setdocument();2453// support: webkit<537.32 - safari 6.0.3/chrome 25 (fixed in chrome 27)2454// detached nodes confoundingly follow *each other*2455 support.sortdetached = assert(function( div1 ) {2456 // should return 1, but returns 4 (following)2457 return div1.comparedocumentposition( document.createelement("div") ) & 1;2458 });2459// support: ie<82460// prevent attribute/property "interpolation"2461// http://msdn.microsoft.com/en-us/library/ms536429%28vs.85%29.aspx2462 if ( !assert(function( div ) {2463 div.innerhtml = "<a href='#'></a>";2464 return div.firstchild.getattribute("href") === "#" ;2465 }) ) {2466 addhandle( "type|href|height|width", function( elem, name, isxml ) {2467 if ( !isxml ) {2468 return elem.getattribute( name, name.tolowercase() === "type" ? 1 : 2 );2469 }2470 });2471 }2472// support: ie<92473// use defaultvalue in place of getattribute("value")2474 if ( !support.attributes || !assert(function( div ) {2475 div.innerhtml = "<input/>";2476 div.firstchild.setattribute( "value", "" );2477 return div.firstchild.getattribute( "value" ) === "";2478 }) ) {2479 addhandle( "value", function( elem, name, isxml ) {2480 if ( !isxml && elem.nodename.tolowercase() === "input" ) {2481 return elem.defaultvalue;2482 }2483 });2484 }2485// support: ie<92486// use getattributenode to fetch booleans when getattribute lies2487 if ( !assert(function( div ) {2488 return div.getattribute("disabled") == null;2489 }) ) {2490 addhandle( booleans, function( elem, name, isxml ) {2491 var val;2492 if ( !isxml ) {2493 return (val = elem.getattributenode( name )) && val.specified ?2494 val.value :2495 elem[ name ] === true ? name.tolowercase() : null;2496 }2497 });2498 }2499 jquery.find = sizzle;2500 jquery.expr = sizzle.selectors;2501 jquery.expr[":"] = jquery.expr.pseudos;2502 jquery.unique = sizzle.uniquesort;2503 jquery.text = sizzle.gettext;2504 jquery.isxmldoc = sizzle.isxml;2505 jquery.contains = sizzle.contains;2506 })( window );2507// string to object options format cache2508 var optionscache = {};2509// convert string-formatted options into object-formatted ones and store in cache2510 function createoptions( options ) {2511 var object = optionscache[ options ] = {};2512 jquery.each( options.match( core_rnotwhite ) || [], function( _, flag ) {2513 object[ flag ] = true;2514 });2515 return object;2516 }2517 /*2518 * create a callback list using the following parameters:2519 *2520 * options: an optional list of space-separated options that will change how2521 * the callback list behaves or a more traditional option object2522 *2523 * by default a callback list will act like an event callback list and can be2524 * "fired" multiple times.2525 *2526 * possible options:2527 *2528 * once: will ensure the callback list can only be fired once (like a deferred)2529 *2530 * memory: will keep track of previous values and will call any callback added2531 * after the list has been fired right away with the latest "memorized"2532 * values (like a deferred)2533 *2534 * unique: will ensure a callback can only be added once (no duplicate in the list)2535 *2536 * stoponfalse: interrupt callings when a callback returns false2537 *2538 */2539 jquery.callbacks = function( options ) {2540 // convert options from string-formatted to object-formatted if needed2541 // (we check in cache first)2542 options = typeof options === "string" ?2543 ( optionscache[ options ] || createoptions( options ) ) :2544 jquery.extend( {}, options );2545 var // flag to know if list is currently firing2546 firing,2547 // last fire value (for non-forgettable lists)2548 memory,2549 // flag to know if list was already fired2550 fired,2551 // end of the loop when firing2552 firinglength,2553 // index of currently firing callback (modified by remove if needed)2554 firingindex,2555 // first callback to fire (used internally by add and firewith)2556 firingstart,2557 // actual callback list2558 list = [],2559 // stack of fire calls for repeatable lists2560 stack = !options.once && [],2561 // fire callbacks2562 fire = function( data ) {2563 memory = options.memory && data;2564 fired = true;2565 firingindex = firingstart || 0;2566 firingstart = 0;2567 firinglength = list.length;2568 firing = true;2569 for ( ; list && firingindex < firinglength; firingindex++ ) {2570 if ( list[ firingindex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stoponfalse ) {2571 memory = false; // to prevent further calls using add2572 break;2573 }2574 }2575 firing = false;2576 if ( list ) {2577 if ( stack ) {2578 if ( stack.length ) {2579 fire( stack.shift() );2580 }2581 } else if ( memory ) {2582 list = [];2583 } else {2584 self.disable();2585 }2586 }2587 },2588 // actual callbacks object2589 self = {2590 // add a callback or a collection of callbacks to the list2591 add: function() {2592 if ( list ) {2593 // first, we save the current length2594 var start = list.length;2595 (function add( args ) {2596 jquery.each( args, function( _, arg ) {2597 var type = jquery.type( arg );2598 if ( type === "function" ) {2599 if ( !options.unique || !self.has( arg ) ) {2600 list.push( arg );2601 }2602 } else if ( arg && arg.length && type !== "string" ) {2603 // inspect recursively2604 add( arg );2605 }2606 });2607 })( arguments );2608 // do we need to add the callbacks to the2609 // current firing batch?2610 if ( firing ) {2611 firinglength = list.length;2612 // with memory, if we're not firing then2613 // we should call right away2614 } else if ( memory ) {2615 firingstart = start;2616 fire( memory );2617 }2618 }2619 return this;2620 },2621 // remove a callback from the list2622 remove: function() {2623 if ( list ) {2624 jquery.each( arguments, function( _, arg ) {2625 var index;2626 while( ( index = jquery.inarray( arg, list, index ) ) > -1 ) {2627 list.splice( index, 1 );2628 // handle firing indexes2629 if ( firing ) {2630 if ( index <= firinglength ) {2631 firinglength--;2632 }2633 if ( index <= firingindex ) {2634 firingindex--;2635 }2636 }2637 }2638 });2639 }2640 return this;2641 },2642 // check if a given callback is in the list.2643 // if no argument is given, return whether or not list has callbacks attached.2644 has: function( fn ) {2645 return fn ? jquery.inarray( fn, list ) > -1 : !!( list && list.length );2646 },2647 // remove all callbacks from the list2648 empty: function() {2649 list = [];2650 firinglength = 0;2651 return this;2652 },2653 // have the list do nothing anymore2654 disable: function() {2655 list = stack = memory = undefined;2656 return this;2657 },2658 // is it disabled?2659 disabled: function() {2660 return !list;2661 },2662 // lock the list in its current state2663 lock: function() {2664 stack = undefined;2665 if ( !memory ) {2666 self.disable();2667 }2668 return this;2669 },2670 // is it locked?2671 locked: function() {2672 return !stack;2673 },2674 // call all callbacks with the given context and arguments2675 firewith: function( context, args ) {2676 if ( list && ( !fired || stack ) ) {2677 args = args || [];2678 args = [ context, args.slice ? args.slice() : args ];2679 if ( firing ) {2680 stack.push( args );2681 } else {2682 fire( args );2683 }2684 }2685 return this;2686 },2687 // call all the callbacks with the given arguments2688 fire: function() {2689 self.firewith( this, arguments );2690 return this;2691 },2692 // to know if the callbacks have already been called at least once2693 fired: function() {2694 return !!fired;2695 }2696 };2697 return self;2698 };2699 jquery.extend({2700 deferred: function( func ) {2701 var tuples = [2702 // action, add listener, listener list, final state2703 [ "resolve", "done", jquery.callbacks("once memory"), "resolved" ],2704 [ "reject", "fail", jquery.callbacks("once memory"), "rejected" ],2705 [ "notify", "progress", jquery.callbacks("memory") ]2706 ],2707 state = "pending",2708 promise = {2709 state: function() {2710 return state;2711 },2712 always: function() {2713 deferred.done( arguments ).fail( arguments );2714 return this;2715 },2716 then: function( /* fndone, fnfail, fnprogress */ ) {2717 var fns = arguments;2718 return jquery.deferred(function( newdefer ) {2719 jquery.each( tuples, function( i, tuple ) {2720 var action = tuple[ 0 ],2721 fn = jquery.isfunction( fns[ i ] ) && fns[ i ];2722 // deferred[ done | fail | progress ] for forwarding actions to newdefer2723 deferred[ tuple[1] ](function() {2724 var returned = fn && fn.apply( this, arguments );2725 if ( returned && jquery.isfunction( returned.promise ) ) {2726 returned.promise()2727 .done( newdefer.resolve )2728 .fail( newdefer.reject )2729 .progress( newdefer.notify );2730 } else {2731 newdefer[ action + "with" ]( this === promise ? newdefer.promise() : this, fn ? [ returned ] : arguments );2732 }2733 });2734 });2735 fns = null;2736 }).promise();2737 },2738 // get a promise for this deferred2739 // if obj is provided, the promise aspect is added to the object2740 promise: function( obj ) {2741 return obj != null ? jquery.extend( obj, promise ) : promise;2742 }2743 },2744 deferred = {};2745 // keep pipe for back-compat2746 promise.pipe = promise.then;2747 // add list-specific methods2748 jquery.each( tuples, function( i, tuple ) {2749 var list = tuple[ 2 ],2750 statestring = tuple[ 3 ];2751 // promise[ done | fail | progress ] = list.add2752 promise[ tuple[1] ] = list.add;2753 // handle state2754 if ( statestring ) {2755 list.add(function() {2756 // state = [ resolved | rejected ]2757 state = statestring;2758 // [ reject_list | resolve_list ].disable; progress_list.lock2759 }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );2760 }2761 // deferred[ resolve | reject | notify ]2762 deferred[ tuple[0] ] = function() {2763 deferred[ tuple[0] + "with" ]( this === deferred ? promise : this, arguments );2764 return this;2765 };2766 deferred[ tuple[0] + "with" ] = list.firewith;2767 });2768 // make the deferred a promise2769 promise.promise( deferred );2770 // call given func if any2771 if ( func ) {2772 func.call( deferred, deferred );2773 }2774 // all done!2775 return deferred;2776 },2777 // deferred helper2778 when: function( subordinate /* , ..., subordinaten */ ) {2779 var i = 0,2780 resolvevalues = core_slice.call( arguments ),2781 length = resolvevalues.length,2782 // the count of uncompleted subordinates2783 remaining = length !== 1 || ( subordinate && jquery.isfunction( subordinate.promise ) ) ? length : 0,2784 // the master deferred. if resolvevalues consist of only a single deferred, just use that.2785 deferred = remaining === 1 ? subordinate : jquery.deferred(),2786 // update function for both resolve and progress values2787 updatefunc = function( i, contexts, values ) {2788 return function( value ) {2789 contexts[ i ] = this;2790 values[ i ] = arguments.length > 1 ? core_slice.call( arguments ) : value;2791 if( values === progressvalues ) {2792 deferred.notifywith( contexts, values );2793 } else if ( !( --remaining ) ) {2794 deferred.resolvewith( contexts, values );2795 }2796 };2797 },2798 progressvalues, progresscontexts, resolvecontexts;2799 // add listeners to deferred subordinates; treat others as resolved2800 if ( length > 1 ) {2801 progressvalues = new array( length );2802 progresscontexts = new array( length );2803 resolvecontexts = new array( length );2804 for ( ; i < length; i++ ) {2805 if ( resolvevalues[ i ] && jquery.isfunction( resolvevalues[ i ].promise ) ) {2806 resolvevalues[ i ].promise()2807 .done( updatefunc( i, resolvecontexts, resolvevalues ) )2808 .fail( deferred.reject )2809 .progress( updatefunc( i, progresscontexts, progressvalues ) );2810 } else {2811 --remaining;2812 }2813 }2814 }2815 // if we're not waiting on anything, resolve the master2816 if ( !remaining ) {2817 deferred.resolvewith( resolvecontexts, resolvevalues );2818 }2819 return deferred.promise();2820 }2821 });2822 jquery.support = (function( support ) {2823 var all, a, input, select, fragment, opt, eventname, issupported, i,2824 div = document.createelement("div");2825 // setup2826 div.setattribute( "classname", "t" );2827 div.innerhtml = " <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";2828 // finish early in limited (non-browser) environments2829 all = div.getelementsbytagname("*") || [];2830 a = div.getelementsbytagname("a")[ 0 ];2831 if ( !a || !a.style || !all.length ) {2832 return support;2833 }2834 // first batch of tests2835 select = document.createelement("select");2836 opt = select.appendchild( document.createelement("option") );2837 input = div.getelementsbytagname("input")[ 0 ];2838 a.style.csstext = "top:1px;float:left;opacity:.5";2839 // test setattribute on camelcase class. if it works, we need attrfixes when doing get/setattribute (ie6/7)2840 support.getsetattribute = div.classname !== "t";2841 // ie strips leading whitespace when .innerhtml is used2842 support.leadingwhitespace = div.firstchild.nodetype === 3;2843 // make sure that tbody elements aren't automatically inserted2844 // ie will insert them into empty tables2845 support.tbody = !div.getelementsbytagname("tbody").length;2846 // make sure that link elements get serialized correctly by innerhtml2847 // this requires a wrapper element in ie2848 support.htmlserialize = !!div.getelementsbytagname("link").length;2849 // get the style information from getattribute2850 // (ie uses .csstext instead)2851 support.style = /top/.test( a.getattribute("style") );2852 // make sure that urls aren't manipulated2853 // (ie normalizes it by default)2854 support.hrefnormalized = a.getattribute("href") === "/a";2855 // make sure that element opacity exists2856 // (ie uses filter instead)2857 // use a regex to work around a webkit issue. see #51452858 support.opacity = /^0.5/.test( a.style.opacity );2859 // verify style float existence2860 // (ie uses stylefloat instead of cssfloat)2861 support.cssfloat = !!a.style.cssfloat;2862 // check the default checkbox/radio value ("" on webkit; "on" elsewhere)2863 support.checkon = !!input.value;2864 // make sure that a selected-by-default option has a working selected property.2865 // (webkit defaults to false instead of true, ie too, if it's in an optgroup)2866 support.optselected = opt.selected;2867 // tests for enctype support on a form (#6743)2868 support.enctype = !!document.createelement("form").enctype;2869 // makes sure cloning an html5 element does not cause problems2870 // where outerhtml is undefined, this still works2871 support.html5clone = document.createelement("nav").clonenode( true ).outerhtml !== "<:nav></:nav>";2872 // will be defined later2873 support.inlineblockneedslayout = false;2874 support.shrinkwrapblocks = false;2875 support.pixelposition = false;2876 support.deleteexpando = true;2877 support.nocloneevent = true;2878 support.reliablemarginright = true;2879 support.boxsizingreliable = true;2880 // make sure checked status is properly cloned2881 input.checked = true;2882 support.noclonechecked = input.clonenode( true ).checked;2883 // make sure that the options inside disabled selects aren't marked as disabled2884 // (webkit marks them as disabled)2885 select.disabled = true;2886 support.optdisabled = !opt.disabled;2887 // support: ie<92888 try {2889 delete div.test;2890 } catch( e ) {2891 support.deleteexpando = false;2892 }2893 // check if we can trust getattribute("value")2894 input = document.createelement("input");2895 input.setattribute( "value", "" );2896 support.input = input.getattribute( "value" ) === "";2897 // check if an input maintains its value after becoming a radio2898 input.value = "t";2899 input.setattribute( "type", "radio" );2900 support.radiovalue = input.value === "t";2901 // #11217 - webkit loses check when the name is after the checked attribute2902 input.setattribute( "checked", "t" );2903 input.setattribute( "name", "t" );2904 fragment = document.createdocumentfragment();2905 fragment.appendchild( input );2906 // check if a disconnected checkbox will retain its checked2907 // value of true after appended to the dom (ie6/7)2908 support.appendchecked = input.checked;2909 // webkit doesn't clone checked state correctly in fragments2910 support.checkclone = fragment.clonenode( true ).clonenode( true ).lastchild.checked;2911 // support: ie<92912 // opera does not clone events (and typeof div.attachevent === undefined).2913 // ie9-10 clones events bound via attachevent, but they don't trigger with .click()2914 if ( div.attachevent ) {2915 div.attachevent( "onclick", function() {2916 support.nocloneevent = false;2917 });2918 div.clonenode( true ).click();2919 }2920 // support: ie<9 (lack submit/change bubble), firefox 17+ (lack focusin event)2921 // beware of csp restrictions (https://developer.mozilla.org/en/security/csp)2922 for ( i in { submit: true, change: true, focusin: true }) {2923 div.setattribute( eventname = "on" + i, "t" );2924 support[ i + "bubbles" ] = eventname in window || div.attributes[ eventname ].expando === false;2925 }2926 div.style.backgroundclip = "content-box";2927 div.clonenode( true ).style.backgroundclip = "";2928 support.clearclonestyle = div.style.backgroundclip === "content-box";2929 // support: ie<92930 // iteration over object's inherited properties before its own.2931 for ( i in jquery( support ) ) {2932 break;2933 }2934 support.ownlast = i !== "0";2935 // run tests that need a body at doc ready2936 jquery(function() {2937 var container, margindiv, tds,2938 divreset = "padding:0;margin:0;border:0;display:block;box-sizing:content-box;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;",2939 body = document.getelementsbytagname("body")[0];2940 if ( !body ) {2941 // return for frameset docs that don't have a body2942 return;2943 }2944 container = document.createelement("div");2945 container.style.csstext = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";2946 body.appendchild( container ).appendchild( div );2947 // support: ie82948 // check if table cells still have offsetwidth/height when they are set2949 // to display:none and there are still other visible table cells in a2950 // table row; if so, offsetwidth/height are not reliable for use when2951 // determining if an element has been hidden directly using2952 // display:none (it is still safe to use offsets if a parent element is2953 // hidden; don safety goggles and see bug #4512 for more information).2954 div.innerhtml = "<table><tr><td></td><td>t</td></tr></table>";2955 tds = div.getelementsbytagname("td");2956 tds[ 0 ].style.csstext = "padding:0;margin:0;border:0;display:none";2957 issupported = ( tds[ 0 ].offsetheight === 0 );2958 tds[ 0 ].style.display = "";2959 tds[ 1 ].style.display = "none";2960 // support: ie82961 // check if empty table cells still have offsetwidth/height2962 support.reliablehiddenoffsets = issupported && ( tds[ 0 ].offsetheight === 0 );2963 // check box-sizing and margin behavior.2964 div.innerhtml = "";2965 div.style.csstext = "box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%;";2966 // workaround failing boxsizing test due to offsetwidth returning wrong value2967 // with some non-1 values of body zoom, ticket #135432968 jquery.swap( body, body.style.zoom != null ? { zoom: 1 } : {}, function() {2969 support.boxsizing = div.offsetwidth === 4;2970 });2971 // use window.getcomputedstyle because jsdom on node.js will break without it.2972 if ( window.getcomputedstyle ) {2973 support.pixelposition = ( window.getcomputedstyle( div, null ) || {} ).top !== "1%";2974 support.boxsizingreliable = ( window.getcomputedstyle( div, null ) || { width: "4px" } ).width === "4px";2975 // check if div with explicit width and no margin-right incorrectly2976 // gets computed margin-right based on width of container. (#3333)2977 // fails in webkit before feb 2011 nightlies2978 // webkit bug 13343 - getcomputedstyle returns wrong value for margin-right2979 margindiv = div.appendchild( document.createelement("div") );2980 margindiv.style.csstext = div.style.csstext = divreset;2981 margindiv.style.marginright = margindiv.style.width = "0";2982 div.style.width = "1px";2983 support.reliablemarginright =2984 !parsefloat( ( window.getcomputedstyle( margindiv, null ) || {} ).marginright );2985 }2986 if ( typeof div.style.zoom !== core_strundefined ) {2987 // support: ie<82988 // check if natively block-level elements act like inline-block2989 // elements when setting their display to 'inline' and giving2990 // them layout2991 div.innerhtml = "";2992 div.style.csstext = divreset + "width:1px;padding:1px;display:inline;zoom:1";2993 support.inlineblockneedslayout = ( div.offsetwidth === 3 );2994 // support: ie62995 // check if elements with layout shrink-wrap their children2996 div.style.display = "block";2997 div.innerhtml = "<div></div>";2998 div.firstchild.style.width = "5px";2999 support.shrinkwrapblocks = ( div.offsetwidth !== 3 );3000 if ( support.inlineblockneedslayout ) {3001 // prevent ie 6 from affecting layout for positioned elements #110483002 // prevent ie from shrinking the body in ie 7 mode #128693003 // support: ie<83004 body.style.zoom = 1;3005 }3006 }3007 body.removechild( container );3008 // null elements to avoid leaks in ie3009 container = div = tds = margindiv = null;3010 });3011 // null elements to avoid leaks in ie3012 all = select = fragment = opt = a = input = null;3013 return support;3014 })({});3015 var rbrace = /(?:\{[\s\s]*\}|\[[\s\s]*\])$/,3016 rmultidash = /([a-z])/g;3017 function internaldata( elem, name, data, pvt /* internal use only */ ){3018 if ( !jquery.acceptdata( elem ) ) {3019 return;3020 }3021 var ret, thiscache,3022 internalkey = jquery.expando,3023 // we have to handle dom nodes and js objects differently because ie6-73024 // can't gc object references properly across the dom-js boundary3025 isnode = elem.nodetype,3026 // only dom nodes need the global jquery cache; js object data is3027 // attached directly to the object so gc can occur automatically3028 cache = isnode ? jquery.cache : elem,3029 // only defining an id for js objects if its cache already exists allows3030 // the code to shortcut on the same path as a dom node with no cache3031 id = isnode ? elem[ internalkey ] : elem[ internalkey ] && internalkey;3032 // avoid doing any more work than we need to when trying to get data on an3033 // object that has no data at all3034 if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && data === undefined && typeof name === "string" ) {3035 return;3036 }3037 if ( !id ) {3038 // only dom nodes need a new unique id for each element since their data3039 // ends up in the global cache3040 if ( isnode ) {3041 id = elem[ internalkey ] = core_deletedids.pop() || jquery.guid++;3042 } else {3043 id = internalkey;3044 }3045 }3046 if ( !cache[ id ] ) {3047 // avoid exposing jquery metadata on plain js objects when the object3048 // is serialized using json.stringify3049 cache[ id ] = isnode ? {} : { tojson: jquery.noop };3050 }3051 // an object can be passed to jquery.data instead of a key/value pair; this gets3052 // shallow copied over onto the existing cache3053 if ( typeof name === "object" || typeof name === "function" ) {3054 if ( pvt ) {3055 cache[ id ] = jquery.extend( cache[ id ], name );3056 } else {3057 cache[ id ].data = jquery.extend( cache[ id ].data, name );3058 }3059 }3060 thiscache = cache[ id ];3061 // jquery data() is stored in a separate object inside the object's internal data3062 // cache in order to avoid key collisions between internal data and user-defined3063 // data.3064 if ( !pvt ) {3065 if ( !thiscache.data ) {3066 thiscache.data = {};3067 }3068 thiscache = thiscache.data;3069 }3070 if ( data !== undefined ) {3071 thiscache[ jquery.camelcase( name ) ] = data;3072 }3073 // check for both converted-to-camel and non-converted data property names3074 // if a data property was specified3075 if ( typeof name === "string" ) {3076 // first try to find as-is property data3077 ret = thiscache[ name ];3078 // test for null|undefined property data3079 if ( ret == null ) {3080 // try to find the camelcased property3081 ret = thiscache[ jquery.camelcase( name ) ];3082 }3083 } else {3084 ret = thiscache;3085 }3086 return ret;3087 }3088 function internalremovedata( elem, name, pvt ) {3089 if ( !jquery.acceptdata( elem ) ) {3090 return;3091 }3092 var thiscache, i,3093 isnode = elem.nodetype,3094 // see jquery.data for more information3095 cache = isnode ? jquery.cache : elem,3096 id = isnode ? elem[ jquery.expando ] : jquery.expando;3097 // if there is already no cache entry for this object, there is no3098 // purpose in continuing3099 if ( !cache[ id ] ) {3100 return;3101 }3102 if ( name ) {3103 thiscache = pvt ? cache[ id ] : cache[ id ].data;3104 if ( thiscache ) {3105 // support array or space separated string names for data keys3106 if ( !jquery.isarray( name ) ) {3107 // try the string as a key before any manipulation3108 if ( name in thiscache ) {3109 name = [ name ];3110 } else {3111 // split the camel cased version by spaces unless a key with the spaces exists3112 name = jquery.camelcase( name );3113 if ( name in thiscache ) {3114 name = [ name ];3115 } else {3116 name = name.split(" ");3117 }3118 }3119 } else {3120 // if "name" is an array of keys...3121 // when data is initially created, via ("key", "val") signature,3122 // keys will be converted to camelcase.3123 // since there is no way to tell _how_ a key was added, remove3124 // both plain key and camelcase key. #127863125 // this will only penalize the array argument path.3126 name = name.concat( jquery.map( name, jquery.camelcase ) );3127 }3128 i = name.length;3129 while ( i-- ) {3130 delete thiscache[ name[i] ];3131 }3132 // if there is no data left in the cache, we want to continue3133 // and let the cache object itself get destroyed3134 if ( pvt ? !isemptydataobject(thiscache) : !jquery.isemptyobject(thiscache) ) {3135 return;3136 }3137 }3138 }3139 // see jquery.data for more information3140 if ( !pvt ) {3141 delete cache[ id ].data;3142 // don't destroy the parent cache unless the internal data object3143 // had been the only thing left in it3144 if ( !isemptydataobject( cache[ id ] ) ) {3145 return;3146 }3147 }3148 // destroy the cache3149 if ( isnode ) {3150 jquery.cleandata( [ elem ], true );3151 // use delete when supported for expandos or `cache` is not a window per iswindow (#10080)3152 /* jshint eqeqeq: false */3153 } else if ( jquery.support.deleteexpando || cache != cache.window ) {3154 /* jshint eqeqeq: true */3155 delete cache[ id ];3156 // when all else fails, null3157 } else {3158 cache[ id ] = null;3159 }3160 }3161 jquery.extend({3162 cache: {},3163 // the following elements throw uncatchable exceptions if you3164 // attempt to add expando properties to them.3165 nodata: {3166 "applet": true,3167 "embed": true,3168 // ban all objects except for flash (which handle expandos)3169 "object": "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"3170 },3171 hasdata: function( elem ) {3172 elem = elem.nodetype ? jquery.cache[ elem[jquery.expando] ] : elem[ jquery.expando ];3173 return !!elem && !isemptydataobject( elem );3174 },3175 data: function( elem, name, data ) {3176 return internaldata( elem, name, data );3177 },3178 removedata: function( elem, name ) {3179 return internalremovedata( elem, name );3180 },3181 // for internal use only.3182 _data: function( elem, name, data ) {3183 return internaldata( elem, name, data, true );3184 },3185 _removedata: function( elem, name ) {3186 return internalremovedata( elem, name, true );3187 },3188 // a method for determining if a dom node can handle the data expando3189 acceptdata: function( elem ) {3190 // do not set data on non-element because it will not be cleared (#8335).3191 if ( elem.nodetype && elem.nodetype !== 1 && elem.nodetype !== 9 ) {3192 return false;3193 }3194 var nodata = elem.nodename && jquery.nodata[ elem.nodename.tolowercase() ];3195 // nodes accept data unless otherwise specified; rejection can be conditional3196 return !nodata || nodata !== true && elem.getattribute("classid") === nodata;3197 }3198 });3199 jquery.fn.extend({3200 data: function( key, value ) {3201 var attrs, name,3202 data = null,3203 i = 0,3204 elem = this[0];3205 // special expections of .data basically thwart jquery.access,3206 // so implement the relevant behavior ourselves3207 // gets all values3208 if ( key === undefined ) {3209 if ( this.length ) {3210 data = jquery.data( elem );3211 if ( elem.nodetype === 1 && !jquery._data( elem, "parsedattrs" ) ) {3212 attrs = elem.attributes;3213 for ( ; i < attrs.length; i++ ) {3214 name = attrs[i].name;3215 if ( name.indexof("data-") === 0 ) {3216 name = jquery.camelcase( name.slice(5) );3217 dataattr( elem, name, data[ name ] );3218 }3219 }3220 jquery._data( elem, "parsedattrs", true );3221 }3222 }3223 return data;3224 }3225 // sets multiple values3226 if ( typeof key === "object" ) {3227 return this.each(function() {3228 jquery.data( this, key );3229 });3230 }3231 return arguments.length > 1 ?3232 // sets one value3233 this.each(function() {3234 jquery.data( this, key, value );3235 }) :3236 // gets one value3237 // try to fetch any internally stored data first3238 elem ? dataattr( elem, key, jquery.data( elem, key ) ) : null;3239 },3240 removedata: function( key ) {3241 return this.each(function() {3242 jquery.removedata( this, key );3243 });3244 }3245 });3246 function dataattr( elem, key, data ) {3247 // if nothing was found internally, try to fetch any3248 // data from the html5 data-* attribute3249 if ( data === undefined && elem.nodetype === 1 ) {3250 var name = "data-" + key.replace( rmultidash, "-$1" ).tolowercase();3251 data = elem.getattribute( name );3252 if ( typeof data === "string" ) {3253 try {3254 data = data === "true" ? true :3255 data === "false" ? false :3256 data === "null" ? null :3257 // only convert to a number if it doesn't change the string3258 +data + "" === data ? +data :3259 rbrace.test( data ) ? jquery.parsejson( data ) :3260 data;3261 } catch( e ) {}3262 // make sure we set the data so it isn't changed later3263 jquery.data( elem, key, data );3264 } else {3265 data = undefined;3266 }3267 }3268 return data;3269 }3270// checks a cache object for emptiness3271 function isemptydataobject( obj ) {3272 var name;3273 for ( name in obj ) {3274 // if the public data object is empty, the private is still empty3275 if ( name === "data" && jquery.isemptyobject( obj[name] ) ) {3276 continue;3277 }3278 if ( name !== "tojson" ) {3279 return false;3280 }3281 }3282 return true;3283 }3284 jquery.extend({3285 queue: function( elem, type, data ) {3286 var queue;3287 if ( elem ) {3288 type = ( type || "fx" ) + "queue";3289 queue = jquery._data( elem, type );3290 // speed up dequeue by getting out quickly if this is just a lookup3291 if ( data ) {3292 if ( !queue || jquery.isarray(data) ) {3293 queue = jquery._data( elem, type, jquery.makearray(data) );3294 } else {3295 queue.push( data );3296 }3297 }3298 return queue || [];3299 }3300 },3301 dequeue: function( elem, type ) {3302 type = type || "fx";3303 var queue = jquery.queue( elem, type ),3304 startlength = queue.length,3305 fn = queue.shift(),3306 hooks = jquery._queuehooks( elem, type ),3307 next = function() {3308 jquery.dequeue( elem, type );3309 };3310 // if the fx queue is dequeued, always remove the progress sentinel3311 if ( fn === "inprogress" ) {3312 fn = queue.shift();3313 startlength--;3314 }3315 if ( fn ) {3316 // add a progress sentinel to prevent the fx queue from being3317 // automatically dequeued3318 if ( type === "fx" ) {3319 queue.unshift( "inprogress" );3320 }3321 // clear up the last queue stop function3322 delete hooks.stop;3323 fn.call( elem, next, hooks );3324 }3325 if ( !startlength && hooks ) {3326 hooks.empty.fire();3327 }3328 },3329 // not intended for public consumption - generates a queuehooks object, or returns the current one3330 _queuehooks: function( elem, type ) {3331 var key = type + "queuehooks";3332 return jquery._data( elem, key ) || jquery._data( elem, key, {3333 empty: jquery.callbacks("once memory").add(function() {3334 jquery._removedata( elem, type + "queue" );3335 jquery._removedata( elem, key );3336 })3337 });3338 }3339 });3340 jquery.fn.extend({3341 queue: function( type, data ) {3342 var setter = 2;3343 if ( typeof type !== "string" ) {3344 data = type;3345 type = "fx";3346 setter--;3347 }3348 if ( arguments.length < setter ) {3349 return jquery.queue( this[0], type );3350 }3351 return data === undefined ?3352 this :3353 this.each(function() {3354 var queue = jquery.queue( this, type, data );3355 // ensure a hooks for this queue3356 jquery._queuehooks( this, type );3357 if ( type === "fx" && queue[0] !== "inprogress" ) {3358 jquery.dequeue( this, type );3359 }3360 });3361 },3362 dequeue: function( type ) {3363 return this.each(function() {3364 jquery.dequeue( this, type );3365 });3366 },3367 // based off of the plugin by clint helfers, with permission.3368 // http://blindsignals.com/index.php/2009/07/jquery-delay/3369 delay: function( time, type ) {3370 time = jquery.fx ? jquery.fx.speeds[ time ] || time : time;3371 type = type || "fx";3372 return this.queue( type, function( next, hooks ) {3373 var timeout = settimeout( next, time );3374 hooks.stop = function() {3375 cleartimeout( timeout );3376 };3377 });3378 },3379 clearqueue: function( type ) {3380 return this.queue( type || "fx", [] );3381 },3382 // get a promise resolved when queues of a certain type3383 // are emptied (fx is the type by default)3384 promise: function( type, obj ) {3385 var tmp,3386 count = 1,3387 defer = jquery.deferred(),3388 elements = this,3389 i = this.length,3390 resolve = function() {3391 if ( !( --count ) ) {3392 defer.resolvewith( elements, [ elements ] );3393 }3394 };3395 if ( typeof type !== "string" ) {3396 obj = type;3397 type = undefined;3398 }3399 type = type || "fx";3400 while( i-- ) {3401 tmp = jquery._data( elements[ i ], type + "queuehooks" );3402 if ( tmp && tmp.empty ) {3403 count++;3404 tmp.empty.add( resolve );3405 }3406 }3407 resolve();3408 return defer.promise( obj );3409 }3410 });3411 var nodehook, boolhook,3412 rclass = /[\t\r\n\f]/g,3413 rreturn = /\r/g,3414 rfocusable = /^(?:input|select|textarea|button|object)$/i,3415 rclickable = /^(?:a|area)$/i,3416 rusedefault = /^(?:checked|selected)$/i,3417 getsetattribute = jquery.support.getsetattribute,3418 getsetinput = jquery.support.input;3419 jquery.fn.extend({3420 attr: function( name, value ) {3421 return jquery.access( this, jquery.attr, name, value, arguments.length > 1 );3422 },3423 removeattr: function( name ) {3424 return this.each(function() {3425 jquery.removeattr( this, name );3426 });3427 },3428 prop: function( name, value ) {3429 return jquery.access( this, jquery.prop, name, value, arguments.length > 1 );3430 },3431 removeprop: function( name ) {3432 name = jquery.propfix[ name ] || name;3433 return this.each(function() {3434 // try/catch handles cases where ie balks (such as removing a property on window)3435 try {3436 this[ name ] = undefined;3437 delete this[ name ];3438 } catch( e ) {}3439 });3440 },3441 addclass: function( value ) {3442 var classes, elem, cur, clazz, j,3443 i = 0,3444 len = this.length,3445 proceed = typeof value === "string" && value;3446 if ( jquery.isfunction( value ) ) {3447 return this.each(function( j ) {3448 jquery( this ).addclass( value.call( this, j, this.classname ) );3449 });3450 }3451 if ( proceed ) {3452 // the disjunction here is for better compressibility (see removeclass)3453 classes = ( value || "" ).match( core_rnotwhite ) || [];3454 for ( ; i < len; i++ ) {3455 elem = this[ i ];3456 cur = elem.nodetype === 1 && ( elem.classname ?3457 ( " " + elem.classname + " " ).replace( rclass, " " ) :3458 " "3459 );3460 if ( cur ) {3461 j = 0;3462 while ( (clazz = classes[j++]) ) {3463 if ( cur.indexof( " " + clazz + " " ) < 0 ) {3464 cur += clazz + " ";3465 }3466 }3467 elem.classname = jquery.trim( cur );3468 }3469 }3470 }3471 return this;3472 },3473 removeclass: function( value ) {3474 var classes, elem, cur, clazz, j,3475 i = 0,3476 len = this.length,3477 proceed = arguments.length === 0 || typeof value === "string" && value;3478 if ( jquery.isfunction( value ) ) {3479 return this.each(function( j ) {3480 jquery( this ).removeclass( value.call( this, j, this.classname ) );3481 });3482 }3483 if ( proceed ) {3484 classes = ( value || "" ).match( core_rnotwhite ) || [];3485 for ( ; i < len; i++ ) {3486 elem = this[ i ];3487 // this expression is here for better compressibility (see addclass)3488 cur = elem.nodetype === 1 && ( elem.classname ?3489 ( " " + elem.classname + " " ).replace( rclass, " " ) :3490 ""3491 );3492 if ( cur ) {3493 j = 0;3494 while ( (clazz = classes[j++]) ) {3495 // remove *all* instances3496 while ( cur.indexof( " " + clazz + " " ) >= 0 ) {3497 cur = cur.replace( " " + clazz + " ", " " );3498 }3499 }3500 elem.classname = value ? jquery.trim( cur ) : "";3501 }3502 }3503 }3504 return this;3505 },3506 toggleclass: function( value, stateval ) {3507 var type = typeof value;3508 if ( typeof stateval === "boolean" && type === "string" ) {3509 return stateval ? this.addclass( value ) : this.removeclass( value );3510 }3511 if ( jquery.isfunction( value ) ) {3512 return this.each(function( i ) {3513 jquery( this ).toggleclass( value.call(this, i, this.classname, stateval), stateval );3514 });3515 }3516 return this.each(function() {3517 if ( type === "string" ) {3518 // toggle individual class names3519 var classname,3520 i = 0,3521 self = jquery( this ),3522 classnames = value.match( core_rnotwhite ) || [];3523 while ( (classname = classnames[ i++ ]) ) {3524 // check each classname given, space separated list3525 if ( self.hasclass( classname ) ) {3526 self.removeclass( classname );3527 } else {3528 self.addclass( classname );3529 }3530 }3531 // toggle whole class name3532 } else if ( type === core_strundefined || type === "boolean" ) {3533 if ( this.classname ) {3534 // store classname if set3535 jquery._data( this, "__classname__", this.classname );3536 }3537 // if the element has a class name or if we're passed "false",3538 // then remove the whole classname (if there was one, the above saved it).3539 // otherwise bring back whatever was previously saved (if anything),3540 // falling back to the empty string if nothing was stored.3541 this.classname = this.classname || value === false ? "" : jquery._data( this, "__classname__" ) || "";3542 }3543 });3544 },3545 hasclass: function( selector ) {3546 var classname = " " + selector + " ",3547 i = 0,3548 l = this.length;3549 for ( ; i < l; i++ ) {3550 if ( this[i].nodetype === 1 && (" " + this[i].classname + " ").replace(rclass, " ").indexof( classname ) >= 0 ) {3551 return true;3552 }3553 }3554 return false;3555 },3556 val: function( value ) {3557 var ret, hooks, isfunction,3558 elem = this[0];3559 if ( !arguments.length ) {3560 if ( elem ) {3561 hooks = jquery.valhooks[ elem.type ] || jquery.valhooks[ elem.nodename.tolowercase() ];3562 if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {3563 return ret;3564 }3565 ret = elem.value;3566 return typeof ret === "string" ?3567 // handle most common string cases3568 ret.replace(rreturn, "") :3569 // handle cases where value is null/undef or number3570 ret == null ? "" : ret;3571 }3572 return;3573 }3574 isfunction = jquery.isfunction( value );3575 return this.each(function( i ) {3576 var val;3577 if ( this.nodetype !== 1 ) {3578 return;3579 }3580 if ( isfunction ) {3581 val = value.call( this, i, jquery( this ).val() );3582 } else {3583 val = value;3584 }3585 // treat null/undefined as ""; convert numbers to string3586 if ( val == null ) {3587 val = "";3588 } else if ( typeof val === "number" ) {3589 val += "";3590 } else if ( jquery.isarray( val ) ) {3591 val = jquery.map(val, function ( value ) {3592 return value == null ? "" : value + "";3593 });3594 }3595 hooks = jquery.valhooks[ this.type ] || jquery.valhooks[ this.nodename.tolowercase() ];3596 // if set returns undefined, fall back to normal setting3597 if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {3598 this.value = val;3599 }3600 });3601 }3602 });3603 jquery.extend({3604 valhooks: {3605 option: {3606 get: function( elem ) {3607 // use proper attribute retrieval(#6932, #12072)3608 var val = jquery.find.attr( elem, "value" );3609 return val != null ?3610 val :3611 elem.text;3612 }3613 },3614 select: {3615 get: function( elem ) {3616 var value, option,3617 options = elem.options,3618 index = elem.selectedindex,3619 one = elem.type === "select-one" || index < 0,3620 values = one ? null : [],3621 max = one ? index + 1 : options.length,3622 i = index < 0 ?3623 max :3624 one ? index : 0;3625 // loop through all the selected options3626 for ( ; i < max; i++ ) {3627 option = options[ i ];3628 // oldie doesn't update selected after form reset (#2551)3629 if ( ( option.selected || i === index ) &&3630 // don't return options that are disabled or in a disabled optgroup3631 ( jquery.support.optdisabled ? !option.disabled : option.getattribute("disabled") === null ) &&3632 ( !option.parentnode.disabled || !jquery.nodename( option.parentnode, "optgroup" ) ) ) {3633 // get the specific value for the option3634 value = jquery( option ).val();3635 // we don't need an array for one selects3636 if ( one ) {3637 return value;3638 }3639 // multi-selects return an array3640 values.push( value );3641 }3642 }3643 return values;3644 },3645 set: function( elem, value ) {3646 var optionset, option,3647 options = elem.options,3648 values = jquery.makearray( value ),3649 i = options.length;3650 while ( i-- ) {3651 option = options[ i ];3652 if ( (option.selected = jquery.inarray( jquery(option).val(), values ) >= 0) ) {3653 optionset = true;3654 }3655 }3656 // force browsers to behave consistently when non-matching value is set3657 if ( !optionset ) {3658 elem.selectedindex = -1;3659 }3660 return values;3661 }3662 }3663 },3664 attr: function( elem, name, value ) {3665 var hooks, ret,3666 ntype = elem.nodetype;3667 // don't get/set attributes on text, comment and attribute nodes3668 if ( !elem || ntype === 3 || ntype === 8 || ntype === 2 ) {3669 return;3670 }3671 // fallback to prop when attributes are not supported3672 if ( typeof elem.getattribute === core_strundefined ) {3673 return jquery.prop( elem, name, value );3674 }3675 // all attributes are lowercase3676 // grab necessary hook if one is defined3677 if ( ntype !== 1 || !jquery.isxmldoc( elem ) ) {3678 name = name.tolowercase();3679 hooks = jquery.attrhooks[ name ] ||3680 ( jquery.expr.match.bool.test( name ) ? boolhook : nodehook );3681 }3682 if ( value !== undefined ) {3683 if ( value === null ) {3684 jquery.removeattr( elem, name );3685 } else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {3686 return ret;3687 } else {3688 elem.setattribute( name, value + "" );3689 return value;3690 }3691 } else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {3692 return ret;3693 } else {3694 ret = jquery.find.attr( elem, name );3695 // non-existent attributes return null, we normalize to undefined3696 return ret == null ?3697 undefined :3698 ret;3699 }3700 },3701 removeattr: function( elem, value ) {3702 var name, propname,3703 i = 0,3704 attrnames = value && value.match( core_rnotwhite );3705 if ( attrnames && elem.nodetype === 1 ) {3706 while ( (name = attrnames[i++]) ) {3707 propname = jquery.propfix[ name ] || name;3708 // boolean attributes get special treatment (#10870)3709 if ( jquery.expr.match.bool.test( name ) ) {3710 // set corresponding property to false3711 if ( getsetinput && getsetattribute || !rusedefault.test( name ) ) {3712 elem[ propname ] = false;3713 // support: ie<93714 // also clear defaultchecked/defaultselected (if appropriate)3715 } else {3716 elem[ jquery.camelcase( "default-" + name ) ] =3717 elem[ propname ] = false;3718 }3719 // see #9699 for explanation of this approach (setting first, then removal)3720 } else {3721 jquery.attr( elem, name, "" );3722 }3723 elem.removeattribute( getsetattribute ? name : propname );3724 }3725 }3726 },3727 attrhooks: {3728 type: {3729 set: function( elem, value ) {3730 if ( !jquery.support.radiovalue && value === "radio" && jquery.nodename(elem, "input") ) {3731 // setting the type on a radio button after the value resets the value in ie6-93732 // reset value to default in case type is set after value during creation3733 var val = elem.value;3734 elem.setattribute( "type", value );3735 if ( val ) {3736 elem.value = val;3737 }3738 return value;3739 }3740 }3741 }3742 },3743 propfix: {3744 "for": "htmlfor",3745 "class": "classname"3746 },3747 prop: function( elem, name, value ) {3748 var ret, hooks, notxml,3749 ntype = elem.nodetype;3750 // don't get/set properties on text, comment and attribute nodes3751 if ( !elem || ntype === 3 || ntype === 8 || ntype === 2 ) {3752 return;3753 }3754 notxml = ntype !== 1 || !jquery.isxmldoc( elem );3755 if ( notxml ) {3756 // fix name and attach hooks3757 name = jquery.propfix[ name ] || name;3758 hooks = jquery.prophooks[ name ];3759 }3760 if ( value !== undefined ) {3761 return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ?3762 ret :3763 ( elem[ name ] = value );3764 } else {3765 return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ?3766 ret :3767 elem[ name ];3768 }3769 },3770 prophooks: {3771 tabindex: {3772 get: function( elem ) {3773 // elem.tabindex doesn't always return the correct value when it hasn't been explicitly set3774 // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/3775 // use proper attribute retrieval(#12072)3776 var tabindex = jquery.find.attr( elem, "tabindex" );3777 return tabindex ?3778 parseint( tabindex, 10 ) :3779 rfocusable.test( elem.nodename ) || rclickable.test( elem.nodename ) && elem.href ?3780 0 :3781 -1;3782 }3783 }3784 }3785 });3786// hooks for boolean attributes3787 boolhook = {3788 set: function( elem, value, name ) {3789 if ( value === false ) {3790 // remove boolean attributes when set to false3791 jquery.removeattr( elem, name );3792 } else if ( getsetinput && getsetattribute || !rusedefault.test( name ) ) {3793 // ie<8 needs the *property* name3794 elem.setattribute( !getsetattribute && jquery.propfix[ name ] || name, name );3795 // use defaultchecked and defaultselected for oldie3796 } else {3797 elem[ jquery.camelcase( "default-" + name ) ] = elem[ name ] = true;3798 }3799 return name;3800 }3801 };3802 jquery.each( jquery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {3803 var getter = jquery.expr.attrhandle[ name ] || jquery.find.attr;3804 jquery.expr.attrhandle[ name ] = getsetinput && getsetattribute || !rusedefault.test( name ) ?3805 function( elem, name, isxml ) {3806 var fn = jquery.expr.attrhandle[ name ],3807 ret = isxml ?3808 undefined :3809 /* jshint eqeqeq: false */3810 (jquery.expr.attrhandle[ name ] = undefined) !=3811 getter( elem, name, isxml ) ?3812 name.tolowercase() :3813 null;3814 jquery.expr.attrhandle[ name ] = fn;3815 return ret;3816 } :3817 function( elem, name, isxml ) {3818 return isxml ?3819 undefined :3820 elem[ jquery.camelcase( "default-" + name ) ] ?3821 name.tolowercase() :3822 null;3823 };3824 });3825// fix oldie attroperties3826 if ( !getsetinput || !getsetattribute ) {3827 jquery.attrhooks.value = {3828 set: function( elem, value, name ) {3829 if ( jquery.nodename( elem, "input" ) ) {3830 // does not return so that setattribute is also used3831 elem.defaultvalue = value;3832 } else {3833 // use nodehook if defined (#1954); otherwise setattribute is fine3834 return nodehook && nodehook.set( elem, value, name );3835 }3836 }3837 };3838 }3839// ie6/7 do not support getting/setting some attributes with get/setattribute3840 if ( !getsetattribute ) {3841 // use this for any attribute in ie6/73842 // this fixes almost every ie6/7 issue3843 nodehook = {3844 set: function( elem, value, name ) {3845 // set the existing or create a new attribute node3846 var ret = elem.getattributenode( name );3847 if ( !ret ) {3848 elem.setattributenode(3849 (ret = elem.ownerdocument.createattribute( name ))3850 );3851 }3852 ret.value = value += "";3853 // break association with cloned elements by also using setattribute (#9646)3854 return name === "value" || value === elem.getattribute( name ) ?3855 value :3856 undefined;3857 }3858 };3859 jquery.expr.attrhandle.id = jquery.expr.attrhandle.name = jquery.expr.attrhandle.coords =3860 // some attributes are constructed with empty-string values when not defined3861 function( elem, name, isxml ) {3862 var ret;3863 return isxml ?3864 undefined :3865 (ret = elem.getattributenode( name )) && ret.value !== "" ?3866 ret.value :3867 null;3868 };3869 jquery.valhooks.button = {3870 get: function( elem, name ) {3871 var ret = elem.getattributenode( name );3872 return ret && ret.specified ?3873 ret.value :3874 undefined;3875 },3876 set: nodehook.set3877 };3878 // set contenteditable to false on removals(#10429)3879 // setting to empty string throws an error as an invalid value3880 jquery.attrhooks.contenteditable = {3881 set: function( elem, value, name ) {3882 nodehook.set( elem, value === "" ? false : value, name );3883 }3884 };3885 // set width and height to auto instead of 0 on empty string( bug #8150 )3886 // this is for removals3887 jquery.each([ "width", "height" ], function( i, name ) {3888 jquery.attrhooks[ name ] = {3889 set: function( elem, value ) {3890 if ( value === "" ) {3891 elem.setattribute( name, "auto" );3892 return value;3893 }3894 }3895 };3896 });3897 }3898// some attributes require a special call on ie3899// http://msdn.microsoft.com/en-us/library/ms536429%28vs.85%29.aspx3900 if ( !jquery.support.hrefnormalized ) {3901 // href/src property should get the full normalized url (#10299/#12915)3902 jquery.each([ "href", "src" ], function( i, name ) {3903 jquery.prophooks[ name ] = {3904 get: function( elem ) {3905 return elem.getattribute( name, 4 );3906 }3907 };3908 });3909 }3910 if ( !jquery.support.style ) {3911 jquery.attrhooks.style = {3912 get: function( elem ) {3913 // return undefined in the case of empty string3914 // note: ie uppercases css property names, but if we were to .tolowercase()3915 // .csstext, that would destroy case senstitivity in url's, like in "background"3916 return elem.style.csstext || undefined;3917 },3918 set: function( elem, value ) {3919 return ( elem.style.csstext = value + "" );3920 }3921 };3922 }3923// safari mis-reports the default selected property of an option3924// accessing the parent's selectedindex property fixes it3925 if ( !jquery.support.optselected ) {3926 jquery.prophooks.selected = {3927 get: function( elem ) {3928 var parent = elem.parentnode;3929 if ( parent ) {3930 parent.selectedindex;3931 // make sure that it also works with optgroups, see #57013932 if ( parent.parentnode ) {3933 parent.parentnode.selectedindex;3934 }3935 }3936 return null;3937 }3938 };3939 }3940 jquery.each([3941 "tabindex",3942 "readonly",3943 "maxlength",3944 "cellspacing",3945 "cellpadding",3946 "rowspan",3947 "colspan",3948 "usemap",3949 "frameborder",3950 "contenteditable"3951 ], function() {3952 jquery.propfix[ this.tolowercase() ] = this;3953 });3954// ie6/7 call enctype encoding3955 if ( !jquery.support.enctype ) {3956 jquery.propfix.enctype = "encoding";3957 }3958// radios and checkboxes getter/setter3959 jquery.each([ "radio", "checkbox" ], function() {3960 jquery.valhooks[ this ] = {3961 set: function( elem, value ) {3962 if ( jquery.isarray( value ) ) {3963 return ( elem.checked = jquery.inarray( jquery(elem).val(), value ) >= 0 );3964 }3965 }3966 };3967 if ( !jquery.support.checkon ) {3968 jquery.valhooks[ this ].get = function( elem ) {3969 // support: webkit3970 // "" is returned instead of "on" if a value isn't specified3971 return elem.getattribute("value") === null ? "on" : elem.value;3972 };3973 }3974 });3975 var rformelems = /^(?:input|select|textarea)$/i,3976 rkeyevent = /^key/,3977 rmouseevent = /^(?:mouse|contextmenu)|click/,3978 rfocusmorph = /^(?:focusinfocus|focusoutblur)$/,3979 rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;3980 function returntrue() {3981 return true;3982 }3983 function returnfalse() {3984 return false;3985 }3986 function safeactiveelement() {3987 try {3988 return document.activeelement;3989 } catch ( err ) { }3990 }3991 /*3992 * helper functions for managing events -- not part of the public interface.3993 * props to dean edwards' addevent library for many of the ideas.3994 */3995 jquery.event = {3996 global: {},3997 add: function( elem, types, handler, data, selector ) {3998 var tmp, events, t, handleobjin,3999 special, eventhandle, handleobj,4000 handlers, type, namespaces, origtype,4001 elemdata = jquery._data( elem );4002 // don't attach events to nodata or text/comment nodes (but allow plain objects)4003 if ( !elemdata ) {4004 return;4005 }4006 // caller can pass in an object of custom data in lieu of the handler4007 if ( handler.handler ) {4008 handleobjin = handler;4009 handler = handleobjin.handler;4010 selector = handleobjin.selector;4011 }4012 // make sure that the handler has a unique id, used to find/remove it later4013 if ( !handler.guid ) {4014 handler.guid = jquery.guid++;4015 }4016 // init the element's event structure and main handler, if this is the first4017 if ( !(events = elemdata.events) ) {4018 events = elemdata.events = {};4019 }4020 if ( !(eventhandle = elemdata.handle) ) {4021 eventhandle = elemdata.handle = function( e ) {4022 // discard the second event of a jquery.event.trigger() and4023 // when an event is called after a page has unloaded4024 return typeof jquery !== core_strundefined && (!e || jquery.event.triggered !== e.type) ?4025 jquery.event.dispatch.apply( eventhandle.elem, arguments ) :4026 undefined;4027 };4028 // add elem as a property of the handle fn to prevent a memory leak with ie non-native events4029 eventhandle.elem = elem;4030 }4031 // handle multiple events separated by a space4032 types = ( types || "" ).match( core_rnotwhite ) || [""];4033 t = types.length;4034 while ( t-- ) {4035 tmp = rtypenamespace.exec( types[t] ) || [];4036 type = origtype = tmp[1];4037 namespaces = ( tmp[2] || "" ).split( "." ).sort();4038 // there *must* be a type, no attaching namespace-only handlers4039 if ( !type ) {4040 continue;4041 }4042 // if event changes its type, use the special event handlers for the changed type4043 special = jquery.event.special[ type ] || {};4044 // if selector defined, determine special event api type, otherwise given type4045 type = ( selector ? special.delegatetype : special.bindtype ) || type;4046 // update special based on newly reset type4047 special = jquery.event.special[ type ] || {};4048 // handleobj is passed to all event handlers4049 handleobj = jquery.extend({4050 type: type,4051 origtype: origtype,4052 data: data,4053 handler: handler,4054 guid: handler.guid,4055 selector: selector,4056 needscontext: selector && jquery.expr.match.needscontext.test( selector ),4057 namespace: namespaces.join(".")4058 }, handleobjin );4059 // init the event handler queue if we're the first4060 if ( !(handlers = events[ type ]) ) {4061 handlers = events[ type ] = [];4062 handlers.delegatecount = 0;4063 // only use addeventlistener/attachevent if the special events handler returns false4064 if ( !special.setup || special.setup.call( elem, data, namespaces, eventhandle ) === false ) {4065 // bind the global event handler to the element4066 if ( elem.addeventlistener ) {4067 elem.addeventlistener( type, eventhandle, false );4068 } else if ( elem.attachevent ) {4069 elem.attachevent( "on" + type, eventhandle );4070 }4071 }4072 }4073 if ( special.add ) {4074 special.add.call( elem, handleobj );4075 if ( !handleobj.handler.guid ) {4076 handleobj.handler.guid = handler.guid;4077 }4078 }4079 // add to the element's handler list, delegates in front4080 if ( selector ) {4081 handlers.splice( handlers.delegatecount++, 0, handleobj );4082 } else {4083 handlers.push( handleobj );4084 }4085 // keep track of which events have ever been used, for event optimization4086 jquery.event.global[ type ] = true;4087 }4088 // nullify elem to prevent memory leaks in ie4089 elem = null;4090 },4091 // detach an event or set of events from an element4092 remove: function( elem, types, handler, selector, mappedtypes ) {4093 var j, handleobj, tmp,4094 origcount, t, events,4095 special, handlers, type,4096 namespaces, origtype,4097 elemdata = jquery.hasdata( elem ) && jquery._data( elem );4098 if ( !elemdata || !(events = elemdata.events) ) {4099 return;4100 }4101 // once for each type.namespace in types; type may be omitted4102 types = ( types || "" ).match( core_rnotwhite ) || [""];4103 t = types.length;4104 while ( t-- ) {4105 tmp = rtypenamespace.exec( types[t] ) || [];4106 type = origtype = tmp[1];4107 namespaces = ( tmp[2] || "" ).split( "." ).sort();4108 // unbind all events (on this namespace, if provided) for the element4109 if ( !type ) {4110 for ( type in events ) {4111 jquery.event.remove( elem, type + types[ t ], handler, selector, true );4112 }4113 continue;4114 }4115 special = jquery.event.special[ type ] || {};4116 type = ( selector ? special.delegatetype : special.bindtype ) || type;4117 handlers = events[ type ] || [];4118 tmp = tmp[2] && new regexp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );4119 // remove matching events4120 origcount = j = handlers.length;4121 while ( j-- ) {4122 handleobj = handlers[ j ];4123 if ( ( mappedtypes || origtype === handleobj.origtype ) &&4124 ( !handler || handler.guid === handleobj.guid ) &&4125 ( !tmp || tmp.test( handleobj.namespace ) ) &&4126 ( !selector || selector === handleobj.selector || selector === "**" && handleobj.selector ) ) {4127 handlers.splice( j, 1 );4128 if ( handleobj.selector ) {4129 handlers.delegatecount--;4130 }4131 if ( special.remove ) {4132 special.remove.call( elem, handleobj );4133 }4134 }4135 }4136 // remove generic event handler if we removed something and no more handlers exist4137 // (avoids potential for endless recursion during removal of special event handlers)4138 if ( origcount && !handlers.length ) {4139 if ( !special.teardown || special.teardown.call( elem, namespaces, elemdata.handle ) === false ) {4140 jquery.removeevent( elem, type, elemdata.handle );4141 }4142 delete events[ type ];4143 }4144 }4145 // remove the expando if it's no longer used4146 if ( jquery.isemptyobject( events ) ) {4147 delete elemdata.handle;4148 // removedata also checks for emptiness and clears the expando if empty4149 // so use it instead of delete4150 jquery._removedata( elem, "events" );4151 }4152 },4153 trigger: function( event, data, elem, onlyhandlers ) {4154 var handle, ontype, cur,4155 bubbletype, special, tmp, i,4156 eventpath = [ elem || document ],4157 type = core_hasown.call( event, "type" ) ? event.type : event,4158 namespaces = core_hasown.call( event, "namespace" ) ? event.namespace.split(".") : [];4159 cur = tmp = elem = elem || document;4160 // don't do events on text and comment nodes4161 if ( elem.nodetype === 3 || elem.nodetype === 8 ) {4162 return;4163 }4164 // focus/blur morphs to focusin/out; ensure we're not firing them right now4165 if ( rfocusmorph.test( type + jquery.event.triggered ) ) {4166 return;4167 }4168 if ( type.indexof(".") >= 0 ) {4169 // namespaced trigger; create a regexp to match event type in handle()4170 namespaces = type.split(".");4171 type = namespaces.shift();4172 namespaces.sort();4173 }4174 ontype = type.indexof(":") < 0 && "on" + type;4175 // caller can pass in a jquery.event object, object, or just an event type string4176 event = event[ jquery.expando ] ?4177 event :4178 new jquery.event( type, typeof event === "object" && event );4179 // trigger bitmask: & 1 for native handlers; & 2 for jquery (always true)4180 event.istrigger = onlyhandlers ? 2 : 3;4181 event.namespace = namespaces.join(".");4182 event.namespace_re = event.namespace ?4183 new regexp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :4184 null;4185 // clean up the event in case it is being reused4186 event.result = undefined;4187 if ( !event.target ) {4188 event.target = elem;4189 }4190 // clone any incoming data and prepend the event, creating the handler arg list4191 data = data == null ?4192 [ event ] :4193 jquery.makearray( data, [ event ] );4194 // allow special events to draw outside the lines4195 special = jquery.event.special[ type ] || {};4196 if ( !onlyhandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {4197 return;4198 }4199 // determine event propagation path in advance, per w3c events spec (#9951)4200 // bubble up to document, then to window; watch for a global ownerdocument var (#9724)4201 if ( !onlyhandlers && !special.nobubble && !jquery.iswindow( elem ) ) {4202 bubbletype = special.delegatetype || type;4203 if ( !rfocusmorph.test( bubbletype + type ) ) {4204 cur = cur.parentnode;4205 }4206 for ( ; cur; cur = cur.parentnode ) {4207 eventpath.push( cur );4208 tmp = cur;4209 }4210 // only add window if we got to document (e.g., not plain obj or detached dom)4211 if ( tmp === (elem.ownerdocument || document) ) {4212 eventpath.push( tmp.defaultview || tmp.parentwindow || window );4213 }4214 }4215 // fire handlers on the event path4216 i = 0;4217 while ( (cur = eventpath[i++]) && !event.ispropagationstopped() ) {4218 event.type = i > 1 ?4219 bubbletype :4220 special.bindtype || type;4221 // jquery handler4222 handle = ( jquery._data( cur, "events" ) || {} )[ event.type ] && jquery._data( cur, "handle" );4223 if ( handle ) {4224 handle.apply( cur, data );4225 }4226 // native handler4227 handle = ontype && cur[ ontype ];4228 if ( handle && jquery.acceptdata( cur ) && handle.apply && handle.apply( cur, data ) === false ) {4229 event.preventdefault();4230 }4231 }4232 event.type = type;4233 // if nobody prevented the default action, do it now4234 if ( !onlyhandlers && !event.isdefaultprevented() ) {4235 if ( (!special._default || special._default.apply( eventpath.pop(), data ) === false) &&4236 jquery.acceptdata( elem ) ) {4237 // call a native dom method on the target with the same name name as the event.4238 // can't use an .isfunction() check here because ie6/7 fails that test.4239 // don't do default actions on window, that's where global variables be (#6170)4240 if ( ontype && elem[ type ] && !jquery.iswindow( elem ) ) {4241 // don't re-trigger an onfoo event when we call its foo() method4242 tmp = elem[ ontype ];4243 if ( tmp ) {4244 elem[ ontype ] = null;4245 }4246 // prevent re-triggering of the same event, since we already bubbled it above4247 jquery.event.triggered = type;4248 try {4249 elem[ type ]();4250 } catch ( e ) {4251 // ie<9 dies on focus/blur to hidden element (#1486,#12518)4252 // only reproducible on winxp ie8 native, not ie9 in ie8 mode4253 }4254 jquery.event.triggered = undefined;4255 if ( tmp ) {4256 elem[ ontype ] = tmp;4257 }4258 }4259 }4260 }4261 return event.result;4262 },4263 dispatch: function( event ) {4264 // make a writable jquery.event from the native event object4265 event = jquery.event.fix( event );4266 var i, ret, handleobj, matched, j,4267 handlerqueue = [],4268 args = core_slice.call( arguments ),4269 handlers = ( jquery._data( this, "events" ) || {} )[ event.type ] || [],4270 special = jquery.event.special[ event.type ] || {};4271 // use the fix-ed jquery.event rather than the (read-only) native event4272 args[0] = event;4273 event.delegatetarget = this;4274 // call the predispatch hook for the mapped type, and let it bail if desired4275 if ( special.predispatch && special.predispatch.call( this, event ) === false ) {4276 return;4277 }4278 // determine handlers4279 handlerqueue = jquery.event.handlers.call( this, event, handlers );4280 // run delegates first; they may want to stop propagation beneath us4281 i = 0;4282 while ( (matched = handlerqueue[ i++ ]) && !event.ispropagationstopped() ) {4283 event.currenttarget = matched.elem;4284 j = 0;4285 while ( (handleobj = matched.handlers[ j++ ]) && !event.isimmediatepropagationstopped() ) {4286 // triggered event must either 1) have no namespace, or4287 // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).4288 if ( !event.namespace_re || event.namespace_re.test( handleobj.namespace ) ) {4289 event.handleobj = handleobj;4290 event.data = handleobj.data;4291 ret = ( (jquery.event.special[ handleobj.origtype ] || {}).handle || handleobj.handler )4292 .apply( matched.elem, args );4293 if ( ret !== undefined ) {4294 if ( (event.result = ret) === false ) {4295 event.preventdefault();4296 event.stoppropagation();4297 }4298 }4299 }4300 }4301 }4302 // call the postdispatch hook for the mapped type4303 if ( special.postdispatch ) {4304 special.postdispatch.call( this, event );4305 }4306 return event.result;4307 },4308 handlers: function( event, handlers ) {4309 var sel, handleobj, matches, i,4310 handlerqueue = [],4311 delegatecount = handlers.delegatecount,4312 cur = event.target;4313 // find delegate handlers4314 // black-hole svg <use> instance trees (#13180)4315 // avoid non-left-click bubbling in firefox (#3861)4316 if ( delegatecount && cur.nodetype && (!event.button || event.type !== "click") ) {4317 /* jshint eqeqeq: false */4318 for ( ; cur != this; cur = cur.parentnode || this ) {4319 /* jshint eqeqeq: true */4320 // don't check non-elements (#13208)4321 // don't process clicks on disabled elements (#6911, #8165, #11382, #11764)4322 if ( cur.nodetype === 1 && (cur.disabled !== true || event.type !== "click") ) {4323 matches = [];4324 for ( i = 0; i < delegatecount; i++ ) {4325 handleobj = handlers[ i ];4326 // don't conflict with object.prototype properties (#13203)4327 sel = handleobj.selector + " ";4328 if ( matches[ sel ] === undefined ) {4329 matches[ sel ] = handleobj.needscontext ?4330 jquery( sel, this ).index( cur ) >= 0 :4331 jquery.find( sel, this, null, [ cur ] ).length;4332 }4333 if ( matches[ sel ] ) {4334 matches.push( handleobj );4335 }4336 }4337 if ( matches.length ) {4338 handlerqueue.push({ elem: cur, handlers: matches });4339 }4340 }4341 }4342 }4343 // add the remaining (directly-bound) handlers4344 if ( delegatecount < handlers.length ) {4345 handlerqueue.push({ elem: this, handlers: handlers.slice( delegatecount ) });4346 }4347 return handlerqueue;4348 },4349 fix: function( event ) {4350 if ( event[ jquery.expando ] ) {4351 return event;4352 }4353 // create a writable copy of the event object and normalize some properties4354 var i, prop, copy,4355 type = event.type,4356 originalevent = event,4357 fixhook = this.fixhooks[ type ];4358 if ( !fixhook ) {4359 this.fixhooks[ type ] = fixhook =4360 rmouseevent.test( type ) ? this.mousehooks :4361 rkeyevent.test( type ) ? this.keyhooks :4362 {};4363 }4364 copy = fixhook.props ? this.props.concat( fixhook.props ) : this.props;4365 event = new jquery.event( originalevent );4366 i = copy.length;4367 while ( i-- ) {4368 prop = copy[ i ];4369 event[ prop ] = originalevent[ prop ];4370 }4371 // support: ie<94372 // fix target property (#1925)4373 if ( !event.target ) {4374 event.target = originalevent.srcelement || document;4375 }4376 // support: chrome 23+, safari?4377 // target should not be a text node (#504, #13143)4378 if ( event.target.nodetype === 3 ) {4379 event.target = event.target.parentnode;4380 }4381 // support: ie<94382 // for mouse/key events, metakey==false if it's undefined (#3368, #11328)4383 event.metakey = !!event.metakey;4384 return fixhook.filter ? fixhook.filter( event, originalevent ) : event;4385 },4386 // includes some event props shared by keyevent and mouseevent4387 props: "altkey bubbles cancelable ctrlkey currenttarget eventphase metakey relatedtarget shiftkey target timestamp view which".split(" "),4388 fixhooks: {},4389 keyhooks: {4390 props: "char charcode key keycode".split(" "),4391 filter: function( event, original ) {4392 // add which for key events4393 if ( event.which == null ) {4394 event.which = original.charcode != null ? original.charcode : original.keycode;4395 }4396 return event;4397 }4398 },4399 mousehooks: {4400 props: "button buttons clientx clienty fromelement offsetx offsety pagex pagey screenx screeny toelement".split(" "),4401 filter: function( event, original ) {4402 var body, eventdoc, doc,4403 button = original.button,4404 fromelement = original.fromelement;4405 // calculate pagex/y if missing and clientx/y available4406 if ( event.pagex == null && original.clientx != null ) {4407 eventdoc = event.target.ownerdocument || document;4408 doc = eventdoc.documentelement;4409 body = eventdoc.body;4410 event.pagex = original.clientx + ( doc && doc.scrollleft || body && body.scrollleft || 0 ) - ( doc && doc.clientleft || body && body.clientleft || 0 );4411 event.pagey = original.clienty + ( doc && doc.scrolltop || body && body.scrolltop || 0 ) - ( doc && doc.clienttop || body && body.clienttop || 0 );4412 }4413 // add relatedtarget, if necessary4414 if ( !event.relatedtarget && fromelement ) {4415 event.relatedtarget = fromelement === event.target ? original.toelement : fromelement;4416 }4417 // add which for click: 1 === left; 2 === middle; 3 === right4418 // note: button is not normalized, so don't use it4419 if ( !event.which && button !== undefined ) {4420 event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );4421 }4422 return event;4423 }4424 },4425 special: {4426 load: {4427 // prevent triggered image.load events from bubbling to window.load4428 nobubble: true4429 },4430 focus: {4431 // fire native event if possible so blur/focus sequence is correct4432 trigger: function() {4433 if ( this !== safeactiveelement() && this.focus ) {4434 try {4435 this.focus();4436 return false;4437 } catch ( e ) {4438 // support: ie<94439 // if we error on focus to hidden element (#1486, #12518),4440 // let .trigger() run the handlers4441 }4442 }4443 },4444 delegatetype: "focusin"4445 },4446 blur: {4447 trigger: function() {4448 if ( this === safeactiveelement() && this.blur ) {4449 this.blur();4450 return false;4451 }4452 },4453 delegatetype: "focusout"4454 },4455 click: {4456 // for checkbox, fire native event so checked state will be right4457 trigger: function() {4458 if ( jquery.nodename( this, "input" ) && this.type === "checkbox" && this.click ) {4459 this.click();4460 return false;4461 }4462 },4463 // for cross-browser consistency, don't fire native .click() on links4464 _default: function( event ) {4465 return jquery.nodename( event.target, "a" );4466 }4467 },4468 beforeunload: {4469 postdispatch: function( event ) {4470 // even when returnvalue equals to undefined firefox will still show alert4471 if ( event.result !== undefined ) {4472 event.originalevent.returnvalue = event.result;4473 }4474 }4475 }4476 },4477 simulate: function( type, elem, event, bubble ) {4478 // piggyback on a donor event to simulate a different one.4479 // fake originalevent to avoid donor's stoppropagation, but if the4480 // simulated event prevents default then we do the same on the donor.4481 var e = jquery.extend(4482 new jquery.event(),4483 event,4484 {4485 type: type,4486 issimulated: true,4487 originalevent: {}4488 }4489 );4490 if ( bubble ) {4491 jquery.event.trigger( e, null, elem );4492 } else {4493 jquery.event.dispatch.call( elem, e );4494 }4495 if ( e.isdefaultprevented() ) {4496 event.preventdefault();4497 }4498 }4499 };4500 jquery.removeevent = document.removeeventlistener ?4501 function( elem, type, handle ) {4502 if ( elem.removeeventlistener ) {4503 elem.removeeventlistener( type, handle, false );4504 }4505 } :4506 function( elem, type, handle ) {4507 var name = "on" + type;4508 if ( elem.detachevent ) {4509 // #8545, #7054, preventing memory leaks for custom events in ie6-84510 // detachevent needed property on element, by name of that event, to properly expose it to gc4511 if ( typeof elem[ name ] === core_strundefined ) {4512 elem[ name ] = null;4513 }4514 elem.detachevent( name, handle );4515 }4516 };4517 jquery.event = function( src, props ) {4518 // allow instantiation without the 'new' keyword4519 if ( !(this instanceof jquery.event) ) {4520 return new jquery.event( src, props );4521 }4522 // event object4523 if ( src && src.type ) {4524 this.originalevent = src;4525 this.type = src.type;4526 // events bubbling up the document may have been marked as prevented4527 // by a handler lower down the tree; reflect the correct value.4528 this.isdefaultprevented = ( src.defaultprevented || src.returnvalue === false ||4529 src.getpreventdefault && src.getpreventdefault() ) ? returntrue : returnfalse;4530 // event type4531 } else {4532 this.type = src;4533 }4534 // put explicitly provided properties onto the event object4535 if ( props ) {4536 jquery.extend( this, props );4537 }4538 // create a timestamp if incoming event doesn't have one4539 this.timestamp = src && src.timestamp || jquery.now();4540 // mark it as fixed4541 this[ jquery.expando ] = true;4542 };4543// jquery.event is based on dom3 events as specified by the ecmascript language binding4544// http://www.w3.org/tr/2003/wd-dom-level-3-events-20030331/ecma-script-binding.html4545 jquery.event.prototype = {4546 isdefaultprevented: returnfalse,4547 ispropagationstopped: returnfalse,4548 isimmediatepropagationstopped: returnfalse,4549 preventdefault: function() {4550 var e = this.originalevent;4551 this.isdefaultprevented = returntrue;4552 if ( !e ) {4553 return;4554 }4555 // if preventdefault exists, run it on the original event4556 if ( e.preventdefault ) {4557 e.preventdefault();4558 // support: ie4559 // otherwise set the returnvalue property of the original event to false4560 } else {4561 e.returnvalue = false;4562 }4563 },4564 stoppropagation: function() {4565 var e = this.originalevent;4566 this.ispropagationstopped = returntrue;4567 if ( !e ) {4568 return;4569 }4570 // if stoppropagation exists, run it on the original event4571 if ( e.stoppropagation ) {4572 e.stoppropagation();4573 }4574 // support: ie4575 // set the cancelbubble property of the original event to true4576 e.cancelbubble = true;4577 },4578 stopimmediatepropagation: function() {4579 this.isimmediatepropagationstopped = returntrue;4580 this.stoppropagation();4581 }4582 };4583// create mouseenter/leave events using mouseover/out and event-time checks4584 jquery.each({4585 mouseenter: "mouseover",4586 mouseleave: "mouseout"4587 }, function( orig, fix ) {4588 jquery.event.special[ orig ] = {4589 delegatetype: fix,4590 bindtype: fix,4591 handle: function( event ) {4592 var ret,4593 target = this,4594 related = event.relatedtarget,4595 handleobj = event.handleobj;4596 // for mousenter/leave call the handler if related is outside the target.4597 // nb: no relatedtarget if the mouse left/entered the browser window4598 if ( !related || (related !== target && !jquery.contains( target, related )) ) {4599 event.type = handleobj.origtype;4600 ret = handleobj.handler.apply( this, arguments );4601 event.type = fix;4602 }4603 return ret;4604 }4605 };4606 });4607// ie submit delegation4608 if ( !jquery.support.submitbubbles ) {4609 jquery.event.special.submit = {4610 setup: function() {4611 // only need this for delegated form submit events4612 if ( jquery.nodename( this, "form" ) ) {4613 return false;4614 }4615 // lazy-add a submit handler when a descendant form may potentially be submitted4616 jquery.event.add( this, "click._submit keypress._submit", function( e ) {4617 // node name check avoids a vml-related crash in ie (#9807)4618 var elem = e.target,4619 form = jquery.nodename( elem, "input" ) || jquery.nodename( elem, "button" ) ? elem.form : undefined;4620 if ( form && !jquery._data( form, "submitbubbles" ) ) {4621 jquery.event.add( form, "submit._submit", function( event ) {4622 event._submit_bubble = true;4623 });4624 jquery._data( form, "submitbubbles", true );4625 }4626 });4627 // return undefined since we don't need an event listener4628 },4629 postdispatch: function( event ) {4630 // if form was submitted by the user, bubble the event up the tree4631 if ( event._submit_bubble ) {4632 delete event._submit_bubble;4633 if ( this.parentnode && !event.istrigger ) {4634 jquery.event.simulate( "submit", this.parentnode, event, true );4635 }4636 }4637 },4638 teardown: function() {4639 // only need this for delegated form submit events4640 if ( jquery.nodename( this, "form" ) ) {4641 return false;4642 }4643 // remove delegated handlers; cleandata eventually reaps submit handlers attached above4644 jquery.event.remove( this, "._submit" );4645 }4646 };4647 }4648// ie change delegation and checkbox/radio fix4649 if ( !jquery.support.changebubbles ) {4650 jquery.event.special.change = {4651 setup: function() {4652 if ( rformelems.test( this.nodename ) ) {4653 // ie doesn't fire change on a check/radio until blur; trigger it on click4654 // after a propertychange. eat the blur-change in special.change.handle.4655 // this still fires onchange a second time for check/radio after blur.4656 if ( this.type === "checkbox" || this.type === "radio" ) {4657 jquery.event.add( this, "propertychange._change", function( event ) {4658 if ( event.originalevent.propertyname === "checked" ) {4659 this._just_changed = true;4660 }4661 });4662 jquery.event.add( this, "click._change", function( event ) {4663 if ( this._just_changed && !event.istrigger ) {4664 this._just_changed = false;4665 }4666 // allow triggered, simulated change events (#11500)4667 jquery.event.simulate( "change", this, event, true );4668 });4669 }4670 return false;4671 }4672 // delegated event; lazy-add a change handler on descendant inputs4673 jquery.event.add( this, "beforeactivate._change", function( e ) {4674 var elem = e.target;4675 if ( rformelems.test( elem.nodename ) && !jquery._data( elem, "changebubbles" ) ) {4676 jquery.event.add( elem, "change._change", function( event ) {4677 if ( this.parentnode && !event.issimulated && !event.istrigger ) {4678 jquery.event.simulate( "change", this.parentnode, event, true );4679 }4680 });4681 jquery._data( elem, "changebubbles", true );4682 }4683 });4684 },4685 handle: function( event ) {4686 var elem = event.target;4687 // swallow native change events from checkbox/radio, we already triggered them above4688 if ( this !== elem || event.issimulated || event.istrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {4689 return event.handleobj.handler.apply( this, arguments );4690 }4691 },4692 teardown: function() {4693 jquery.event.remove( this, "._change" );4694 return !rformelems.test( this.nodename );4695 }4696 };4697 }4698// create "bubbling" focus and blur events4699 if ( !jquery.support.focusinbubbles ) {4700 jquery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {4701 // attach a single capturing handler while someone wants focusin/focusout4702 var attaches = 0,4703 handler = function( event ) {4704 jquery.event.simulate( fix, event.target, jquery.event.fix( event ), true );4705 };4706 jquery.event.special[ fix ] = {4707 setup: function() {4708 if ( attaches++ === 0 ) {4709 document.addeventlistener( orig, handler, true );4710 }4711 },4712 teardown: function() {4713 if ( --attaches === 0 ) {4714 document.removeeventlistener( orig, handler, true );4715 }4716 }4717 };4718 });4719 }4720 jquery.fn.extend({4721 on: function( types, selector, data, fn, /*internal*/ one ) {4722 var type, origfn;4723 // types can be a map of types/handlers4724 if ( typeof types === "object" ) {4725 // ( types-object, selector, data )4726 if ( typeof selector !== "string" ) {4727 // ( types-object, data )4728 data = data || selector;4729 selector = undefined;4730 }4731 for ( type in types ) {4732 this.on( type, selector, data, types[ type ], one );4733 }4734 return this;4735 }4736 if ( data == null && fn == null ) {4737 // ( types, fn )4738 fn = selector;4739 data = selector = undefined;4740 } else if ( fn == null ) {4741 if ( typeof selector === "string" ) {4742 // ( types, selector, fn )4743 fn = data;4744 data = undefined;4745 } else {4746 // ( types, data, fn )4747 fn = data;4748 data = selector;4749 selector = undefined;4750 }4751 }4752 if ( fn === false ) {4753 fn = returnfalse;4754 } else if ( !fn ) {4755 return this;4756 }4757 if ( one === 1 ) {4758 origfn = fn;4759 fn = function( event ) {4760 // can use an empty set, since event contains the info4761 jquery().off( event );4762 return origfn.apply( this, arguments );4763 };4764 // use same guid so caller can remove using origfn4765 fn.guid = origfn.guid || ( origfn.guid = jquery.guid++ );4766 }4767 return this.each( function() {4768 jquery.event.add( this, types, fn, data, selector );4769 });4770 },4771 one: function( types, selector, data, fn ) {4772 return this.on( types, selector, data, fn, 1 );4773 },4774 off: function( types, selector, fn ) {4775 var handleobj, type;4776 if ( types && types.preventdefault && types.handleobj ) {4777 // ( event ) dispatched jquery.event4778 handleobj = types.handleobj;4779 jquery( types.delegatetarget ).off(4780 handleobj.namespace ? handleobj.origtype + "." + handleobj.namespace : handleobj.origtype,4781 handleobj.selector,4782 handleobj.handler4783 );4784 return this;4785 }4786 if ( typeof types === "object" ) {4787 // ( types-object [, selector] )4788 for ( type in types ) {4789 this.off( type, selector, types[ type ] );4790 }4791 return this;4792 }4793 if ( selector === false || typeof selector === "function" ) {4794 // ( types [, fn] )4795 fn = selector;4796 selector = undefined;4797 }4798 if ( fn === false ) {4799 fn = returnfalse;4800 }4801 return this.each(function() {4802 jquery.event.remove( this, types, fn, selector );4803 });4804 },4805 trigger: function( type, data ) {4806 return this.each(function() {4807 jquery.event.trigger( type, data, this );4808 });4809 },4810 triggerhandler: function( type, data ) {4811 var elem = this[0];4812 if ( elem ) {4813 return jquery.event.trigger( type, data, elem, true );4814 }4815 }4816 });4817 var issimple = /^.[^:#\[\.,]*$/,4818 rparentsprev = /^(?:parents|prev(?:until|all))/,4819 rneedscontext = jquery.expr.match.needscontext,4820 // methods guaranteed to produce a unique set when starting from a unique set4821 guaranteedunique = {4822 children: true,4823 contents: true,4824 next: true,4825 prev: true4826 };4827 jquery.fn.extend({4828 find: function( selector ) {4829 var i,4830 ret = [],4831 self = this,4832 len = self.length;4833 if ( typeof selector !== "string" ) {4834 return this.pushstack( jquery( selector ).filter(function() {4835 for ( i = 0; i < len; i++ ) {4836 if ( jquery.contains( self[ i ], this ) ) {4837 return true;4838 }4839 }4840 }) );4841 }4842 for ( i = 0; i < len; i++ ) {4843 jquery.find( selector, self[ i ], ret );4844 }4845 // needed because $( selector, context ) becomes $( context ).find( selector )4846 ret = this.pushstack( len > 1 ? jquery.unique( ret ) : ret );4847 ret.selector = this.selector ? this.selector + " " + selector : selector;4848 return ret;4849 },4850 has: function( target ) {4851 var i,4852 targets = jquery( target, this ),4853 len = targets.length;4854 return this.filter(function() {4855 for ( i = 0; i < len; i++ ) {4856 if ( jquery.contains( this, targets[i] ) ) {4857 return true;4858 }4859 }4860 });4861 },4862 not: function( selector ) {4863 return this.pushstack( winnow(this, selector || [], true) );4864 },4865 filter: function( selector ) {4866 return this.pushstack( winnow(this, selector || [], false) );4867 },4868 is: function( selector ) {4869 return !!winnow(4870 this,4871 // if this is a positional/relative selector, check membership in the returned set4872 // so $("p:first").is("p:last") won't return true for a doc with two "p".4873 typeof selector === "string" && rneedscontext.test( selector ) ?4874 jquery( selector ) :4875 selector || [],4876 false4877 ).length;4878 },4879 closest: function( selectors, context ) {4880 var cur,4881 i = 0,4882 l = this.length,4883 ret = [],4884 pos = rneedscontext.test( selectors ) || typeof selectors !== "string" ?4885 jquery( selectors, context || this.context ) :4886 0;4887 for ( ; i < l; i++ ) {4888 for ( cur = this[i]; cur && cur !== context; cur = cur.parentnode ) {4889 // always skip document fragments4890 if ( cur.nodetype < 11 && (pos ?4891 pos.index(cur) > -1 :4892 // don't pass non-elements to sizzle4893 cur.nodetype === 1 &&4894 jquery.find.matchesselector(cur, selectors)) ) {4895 cur = ret.push( cur );4896 break;4897 }4898 }4899 }4900 return this.pushstack( ret.length > 1 ? jquery.unique( ret ) : ret );4901 },4902 // determine the position of an element within4903 // the matched set of elements4904 index: function( elem ) {4905 // no argument, return index in parent4906 if ( !elem ) {4907 return ( this[0] && this[0].parentnode ) ? this.first().prevall().length : -1;4908 }4909 // index in selector4910 if ( typeof elem === "string" ) {4911 return jquery.inarray( this[0], jquery( elem ) );4912 }4913 // locate the position of the desired element4914 return jquery.inarray(4915 // if it receives a jquery object, the first element is used4916 elem.jquery ? elem[0] : elem, this );4917 },4918 add: function( selector, context ) {4919 var set = typeof selector === "string" ?4920 jquery( selector, context ) :4921 jquery.makearray( selector && selector.nodetype ? [ selector ] : selector ),4922 all = jquery.merge( this.get(), set );4923 return this.pushstack( jquery.unique(all) );4924 },4925 addback: function( selector ) {4926 return this.add( selector == null ?4927 this.prevobject : this.prevobject.filter(selector)4928 );4929 }4930 });4931 function sibling( cur, dir ) {4932 do {4933 cur = cur[ dir ];4934 } while ( cur && cur.nodetype !== 1 );4935 return cur;4936 }4937 jquery.each({4938 parent: function( elem ) {4939 var parent = elem.parentnode;4940 return parent && parent.nodetype !== 11 ? parent : null;4941 },4942 parents: function( elem ) {4943 return jquery.dir( elem, "parentnode" );4944 },4945 parentsuntil: function( elem, i, until ) {4946 return jquery.dir( elem, "parentnode", until );4947 },4948 next: function( elem ) {4949 return sibling( elem, "nextsibling" );4950 },4951 prev: function( elem ) {4952 return sibling( elem, "previoussibling" );4953 },4954 nextall: function( elem ) {4955 return jquery.dir( elem, "nextsibling" );4956 },4957 prevall: function( elem ) {4958 return jquery.dir( elem, "previoussibling" );4959 },4960 nextuntil: function( elem, i, until ) {4961 return jquery.dir( elem, "nextsibling", until );4962 },4963 prevuntil: function( elem, i, until ) {4964 return jquery.dir( elem, "previoussibling", until );4965 },4966 siblings: function( elem ) {4967 return jquery.sibling( ( elem.parentnode || {} ).firstchild, elem );4968 },4969 children: function( elem ) {4970 return jquery.sibling( elem.firstchild );4971 },4972 contents: function( elem ) {4973 return jquery.nodename( elem, "iframe" ) ?4974 elem.contentdocument || elem.contentwindow.document :4975 jquery.merge( [], elem.childnodes );4976 }4977 }, function( name, fn ) {4978 jquery.fn[ name ] = function( until, selector ) {4979 var ret = jquery.map( this, fn, until );4980 if ( name.slice( -5 ) !== "until" ) {4981 selector = until;4982 }4983 if ( selector && typeof selector === "string" ) {4984 ret = jquery.filter( selector, ret );4985 }4986 if ( this.length > 1 ) {4987 // remove duplicates4988 if ( !guaranteedunique[ name ] ) {4989 ret = jquery.unique( ret );4990 }4991 // reverse order for parents* and prev-derivatives4992 if ( rparentsprev.test( name ) ) {4993 ret = ret.reverse();4994 }4995 }4996 return this.pushstack( ret );4997 };4998 });4999 jquery.extend({5000 filter: function( expr, elems, not ) {5001 var elem = elems[ 0 ];5002 if ( not ) {5003 expr = ":not(" + expr + ")";5004 }5005 return elems.length === 1 && elem.nodetype === 1 ?5006 jquery.find.matchesselector( elem, expr ) ? [ elem ] : [] :5007 jquery.find.matches( expr, jquery.grep( elems, function( elem ) {5008 return elem.nodetype === 1;5009 }));5010 },5011 dir: function( elem, dir, until ) {5012 var matched = [],5013 cur = elem[ dir ];5014 while ( cur && cur.nodetype !== 9 && (until === undefined || cur.nodetype !== 1 || !jquery( cur ).is( until )) ) {5015 if ( cur.nodetype === 1 ) {5016 matched.push( cur );5017 }5018 cur = cur[dir];5019 }5020 return matched;5021 },5022 sibling: function( n, elem ) {5023 var r = [];5024 for ( ; n; n = n.nextsibling ) {5025 if ( n.nodetype === 1 && n !== elem ) {5026 r.push( n );5027 }5028 }5029 return r;5030 }5031 });5032// implement the identical functionality for filter and not5033 function winnow( elements, qualifier, not ) {5034 if ( jquery.isfunction( qualifier ) ) {5035 return jquery.grep( elements, function( elem, i ) {5036 /* jshint -w018 */5037 return !!qualifier.call( elem, i, elem ) !== not;5038 });5039 }5040 if ( qualifier.nodetype ) {5041 return jquery.grep( elements, function( elem ) {5042 return ( elem === qualifier ) !== not;5043 });5044 }5045 if ( typeof qualifier === "string" ) {5046 if ( issimple.test( qualifier ) ) {5047 return jquery.filter( qualifier, elements, not );5048 }5049 qualifier = jquery.filter( qualifier, elements );5050 }5051 return jquery.grep( elements, function( elem ) {5052 return ( jquery.inarray( elem, qualifier ) >= 0 ) !== not;5053 });5054 }5055 function createsafefragment( document ) {5056 var list = nodenames.split( "|" ),5057 safefrag = document.createdocumentfragment();5058 if ( safefrag.createelement ) {5059 while ( list.length ) {5060 safefrag.createelement(5061 list.pop()5062 );5063 }5064 }5065 return safefrag;5066 }5067 var nodenames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +5068 "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",5069 rinlinejquery = / jquery\d+="(?:null|\d+)"/g,5070 rnoshimcache = new regexp("<(?:" + nodenames + ")[\\s/>]", "i"),5071 rleadingwhitespace = /^\s+/,5072 rxhtmltag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,5073 rtagname = /<([\w:]+)/,5074 rtbody = /<tbody/i,5075 rhtml = /<|&#?\w+;/,5076 rnoinnerhtml = /<(?:script|style|link)/i,5077 manipulation_rcheckabletype = /^(?:checkbox|radio)$/i,5078 // checked="checked" or checked5079 rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,5080 rscripttype = /^$|\/(?:java|ecma)script/i,5081 rscripttypemasked = /^true\/(.*)/,5082 rcleanscript = /^\s*<!(?:\[cdata\[|--)|(?:\]\]|--)>\s*$/g,5083 // we have to close these tags to support xhtml (#13200)5084 wrapmap = {5085 option: [ 1, "<select multiple='multiple'>", "</select>" ],5086 legend: [ 1, "<fieldset>", "</fieldset>" ],5087 area: [ 1, "<map>", "</map>" ],5088 param: [ 1, "<object>", "</object>" ],5089 thead: [ 1, "<table>", "</table>" ],5090 tr: [ 2, "<table><tbody>", "</tbody></table>" ],5091 col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],5092 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],5093 // ie6-8 can't serialize link, script, style, or any html5 (noscope) tags,5094 // unless wrapped in a div with non-breaking characters in front of it.5095 _default: jquery.support.htmlserialize ? [ 0, "", "" ] : [ 1, "x<div>", "</div>" ]5096 },5097 safefragment = createsafefragment( document ),5098 fragmentdiv = safefragment.appendchild( document.createelement("div") );5099 wrapmap.optgroup = wrapmap.option;5100 wrapmap.tbody = wrapmap.tfoot = wrapmap.colgroup = wrapmap.caption = wrapmap.thead;5101 wrapmap.th = wrapmap.td;5102 jquery.fn.extend({5103 text: function( value ) {5104 return jquery.access( this, function( value ) {5105 return value === undefined ?5106 jquery.text( this ) :5107 this.empty().append( ( this[0] && this[0].ownerdocument || document ).createtextnode( value ) );5108 }, null, value, arguments.length );5109 },5110 append: function() {5111 return this.dommanip( arguments, function( elem ) {5112 if ( this.nodetype === 1 || this.nodetype === 11 || this.nodetype === 9 ) {5113 var target = manipulationtarget( this, elem );5114 target.appendchild( elem );5115 }5116 });5117 },5118 prepend: function() {5119 return this.dommanip( arguments, function( elem ) {5120 if ( this.nodetype === 1 || this.nodetype === 11 || this.nodetype === 9 ) {5121 var target = manipulationtarget( this, elem );5122 target.insertbefore( elem, target.firstchild );5123 }5124 });5125 },5126 before: function() {5127 return this.dommanip( arguments, function( elem ) {5128 if ( this.parentnode ) {5129 this.parentnode.insertbefore( elem, this );5130 }5131 });5132 },5133 after: function() {5134 return this.dommanip( arguments, function( elem ) {5135 if ( this.parentnode ) {5136 this.parentnode.insertbefore( elem, this.nextsibling );5137 }5138 });5139 },5140 // keepdata is for internal use only--do not document5141 remove: function( selector, keepdata ) {5142 var elem,5143 elems = selector ? jquery.filter( selector, this ) : this,5144 i = 0;5145 for ( ; (elem = elems[i]) != null; i++ ) {5146 if ( !keepdata && elem.nodetype === 1 ) {5147 jquery.cleandata( getall( elem ) );5148 }5149 if ( elem.parentnode ) {5150 if ( keepdata && jquery.contains( elem.ownerdocument, elem ) ) {5151 setglobaleval( getall( elem, "script" ) );5152 }5153 elem.parentnode.removechild( elem );5154 }5155 }5156 return this;5157 },5158 empty: function() {5159 var elem,5160 i = 0;5161 for ( ; (elem = this[i]) != null; i++ ) {5162 // remove element nodes and prevent memory leaks5163 if ( elem.nodetype === 1 ) {5164 jquery.cleandata( getall( elem, false ) );5165 }5166 // remove any remaining nodes5167 while ( elem.firstchild ) {5168 elem.removechild( elem.firstchild );5169 }5170 // if this is a select, ensure that it displays empty (#12336)5171 // support: ie<95172 if ( elem.options && jquery.nodename( elem, "select" ) ) {5173 elem.options.length = 0;5174 }5175 }5176 return this;5177 },5178 clone: function( dataandevents, deepdataandevents ) {5179 dataandevents = dataandevents == null ? false : dataandevents;5180 deepdataandevents = deepdataandevents == null ? dataandevents : deepdataandevents;5181 return this.map( function () {5182 return jquery.clone( this, dataandevents, deepdataandevents );5183 });5184 },5185 html: function( value ) {5186 return jquery.access( this, function( value ) {5187 var elem = this[0] || {},5188 i = 0,5189 l = this.length;5190 if ( value === undefined ) {5191 return elem.nodetype === 1 ?5192 elem.innerhtml.replace( rinlinejquery, "" ) :5193 undefined;5194 }5195 // see if we can take a shortcut and just use innerhtml5196 if ( typeof value === "string" && !rnoinnerhtml.test( value ) &&5197 ( jquery.support.htmlserialize || !rnoshimcache.test( value ) ) &&5198 ( jquery.support.leadingwhitespace || !rleadingwhitespace.test( value ) ) &&5199 !wrapmap[ ( rtagname.exec( value ) || ["", ""] )[1].tolowercase() ] ) {5200 value = value.replace( rxhtmltag, "<$1></$2>" );5201 try {5202 for (; i < l; i++ ) {5203 // remove element nodes and prevent memory leaks5204 elem = this[i] || {};5205 if ( elem.nodetype === 1 ) {5206 jquery.cleandata( getall( elem, false ) );5207 elem.innerhtml = value;5208 }5209 }5210 elem = 0;5211 // if using innerhtml throws an exception, use the fallback method5212 } catch(e) {}5213 }5214 if ( elem ) {5215 this.empty().append( value );5216 }5217 }, null, value, arguments.length );5218 },5219 replacewith: function() {5220 var5221 // snapshot the dom in case .dommanip sweeps something relevant into its fragment5222 args = jquery.map( this, function( elem ) {5223 return [ elem.nextsibling, elem.parentnode ];5224 }),5225 i = 0;5226 // make the changes, replacing each context element with the new content5227 this.dommanip( arguments, function( elem ) {5228 var next = args[ i++ ],5229 parent = args[ i++ ];5230 if ( parent ) {5231 // don't use the snapshot next if it has moved (#13810)5232 if ( next && next.parentnode !== parent ) {5233 next = this.nextsibling;5234 }5235 jquery( this ).remove();5236 parent.insertbefore( elem, next );5237 }5238 // allow new content to include elements from the context set5239 }, true );5240 // force removal if there was no new content (e.g., from empty arguments)5241 return i ? this : this.remove();5242 },5243 detach: function( selector ) {5244 return this.remove( selector, true );5245 },5246 dommanip: function( args, callback, allowintersection ) {5247 // flatten any nested arrays5248 args = core_concat.apply( [], args );5249 var first, node, hasscripts,5250 scripts, doc, fragment,5251 i = 0,5252 l = this.length,5253 set = this,5254 inoclone = l - 1,5255 value = args[0],5256 isfunction = jquery.isfunction( value );5257 // we can't clonenode fragments that contain checked, in webkit5258 if ( isfunction || !( l <= 1 || typeof value !== "string" || jquery.support.checkclone || !rchecked.test( value ) ) ) {5259 return this.each(function( index ) {5260 var self = set.eq( index );5261 if ( isfunction ) {5262 args[0] = value.call( this, index, self.html() );5263 }5264 self.dommanip( args, callback, allowintersection );5265 });5266 }5267 if ( l ) {5268 fragment = jquery.buildfragment( args, this[ 0 ].ownerdocument, false, !allowintersection && this );5269 first = fragment.firstchild;5270 if ( fragment.childnodes.length === 1 ) {5271 fragment = first;5272 }5273 if ( first ) {5274 scripts = jquery.map( getall( fragment, "script" ), disablescript );5275 hasscripts = scripts.length;5276 // use the original fragment for the last item instead of the first because it can end up5277 // being emptied incorrectly in certain situations (#8070).5278 for ( ; i < l; i++ ) {5279 node = fragment;5280 if ( i !== inoclone ) {5281 node = jquery.clone( node, true, true );5282 // keep references to cloned scripts for later restoration5283 if ( hasscripts ) {5284 jquery.merge( scripts, getall( node, "script" ) );5285 }5286 }5287 callback.call( this[i], node, i );5288 }5289 if ( hasscripts ) {5290 doc = scripts[ scripts.length - 1 ].ownerdocument;5291 // reenable scripts5292 jquery.map( scripts, restorescript );5293 // evaluate executable scripts on first document insertion5294 for ( i = 0; i < hasscripts; i++ ) {5295 node = scripts[ i ];5296 if ( rscripttype.test( node.type || "" ) &&5297 !jquery._data( node, "globaleval" ) && jquery.contains( doc, node ) ) {5298 if ( node.src ) {5299 // hope ajax is available...5300 jquery._evalurl( node.src );5301 } else {5302 jquery.globaleval( ( node.text || node.textcontent || node.innerhtml || "" ).replace( rcleanscript, "" ) );5303 }5304 }5305 }5306 }5307 // fix #11809: avoid leaking memory5308 fragment = first = null;5309 }5310 }5311 return this;5312 }5313 });5314// support: ie<85315// manipulating tables requires a tbody5316 function manipulationtarget( elem, content ) {5317 return jquery.nodename( elem, "table" ) &&5318 jquery.nodename( content.nodetype === 1 ? content : content.firstchild, "tr" ) ?5319 elem.getelementsbytagname("tbody")[0] ||5320 elem.appendchild( elem.ownerdocument.createelement("tbody") ) :5321 elem;5322 }5323// replace/restore the type attribute of script elements for safe dom manipulation5324 function disablescript( elem ) {5325 elem.type = (jquery.find.attr( elem, "type" ) !== null) + "/" + elem.type;5326 return elem;5327 }5328 function restorescript( elem ) {5329 var match = rscripttypemasked.exec( elem.type );5330 if ( match ) {5331 elem.type = match[1];5332 } else {5333 elem.removeattribute("type");5334 }5335 return elem;5336 }5337// mark scripts as having already been evaluated5338 function setglobaleval( elems, refelements ) {5339 var elem,5340 i = 0;5341 for ( ; (elem = elems[i]) != null; i++ ) {5342 jquery._data( elem, "globaleval", !refelements || jquery._data( refelements[i], "globaleval" ) );5343 }5344 }5345 function clonecopyevent( src, dest ) {5346 if ( dest.nodetype !== 1 || !jquery.hasdata( src ) ) {5347 return;5348 }5349 var type, i, l,5350 olddata = jquery._data( src ),5351 curdata = jquery._data( dest, olddata ),5352 events = olddata.events;5353 if ( events ) {5354 delete curdata.handle;5355 curdata.events = {};5356 for ( type in events ) {5357 for ( i = 0, l = events[ type ].length; i < l; i++ ) {5358 jquery.event.add( dest, type, events[ type ][ i ] );5359 }5360 }5361 }5362 // make the cloned public data object a copy from the original5363 if ( curdata.data ) {5364 curdata.data = jquery.extend( {}, curdata.data );5365 }5366 }5367 function fixclonenodeissues( src, dest ) {5368 var nodename, e, data;5369 // we do not need to do anything for non-elements5370 if ( dest.nodetype !== 1 ) {5371 return;5372 }5373 nodename = dest.nodename.tolowercase();5374 // ie6-8 copies events bound via attachevent when using clonenode.5375 if ( !jquery.support.nocloneevent && dest[ jquery.expando ] ) {5376 data = jquery._data( dest );5377 for ( e in data.events ) {5378 jquery.removeevent( dest, e, data.handle );5379 }5380 // event data gets referenced instead of copied if the expando gets copied too5381 dest.removeattribute( jquery.expando );5382 }5383 // ie blanks contents when cloning scripts, and tries to evaluate newly-set text5384 if ( nodename === "script" && dest.text !== src.text ) {5385 disablescript( dest ).text = src.text;5386 restorescript( dest );5387 // ie6-10 improperly clones children of object elements using classid.5388 // ie10 throws nomodificationallowederror if parent is null, #12132.5389 } else if ( nodename === "object" ) {5390 if ( dest.parentnode ) {5391 dest.outerhtml = src.outerhtml;5392 }5393 // this path appears unavoidable for ie9. when cloning an object5394 // element in ie9, the outerhtml strategy above is not sufficient.5395 // if the src has innerhtml and the destination does not,5396 // copy the src.innerhtml into the dest.innerhtml. #103245397 if ( jquery.support.html5clone && ( src.innerhtml && !jquery.trim(dest.innerhtml) ) ) {5398 dest.innerhtml = src.innerhtml;5399 }5400 } else if ( nodename === "input" && manipulation_rcheckabletype.test( src.type ) ) {5401 // ie6-8 fails to persist the checked state of a cloned checkbox5402 // or radio button. worse, ie6-7 fail to give the cloned element5403 // a checked appearance if the defaultchecked value isn't also set5404 dest.defaultchecked = dest.checked = src.checked;5405 // ie6-7 get confused and end up setting the value of a cloned5406 // checkbox/radio button to an empty string instead of "on"5407 if ( dest.value !== src.value ) {5408 dest.value = src.value;5409 }5410 // ie6-8 fails to return the selected option to the default selected5411 // state when cloning options5412 } else if ( nodename === "option" ) {5413 dest.defaultselected = dest.selected = src.defaultselected;5414 // ie6-8 fails to set the defaultvalue to the correct value when5415 // cloning other types of input fields5416 } else if ( nodename === "input" || nodename === "textarea" ) {5417 dest.defaultvalue = src.defaultvalue;5418 }5419 }5420 jquery.each({5421 appendto: "append",5422 prependto: "prepend",5423 insertbefore: "before",5424 insertafter: "after",5425 replaceall: "replacewith"5426 }, function( name, original ) {5427 jquery.fn[ name ] = function( selector ) {5428 var elems,5429 i = 0,5430 ret = [],5431 insert = jquery( selector ),5432 last = insert.length - 1;5433 for ( ; i <= last; i++ ) {5434 elems = i === last ? this : this.clone(true);5435 jquery( insert[i] )[ original ]( elems );5436 // modern browsers can apply jquery collections as arrays, but oldie needs a .get()5437 core_push.apply( ret, elems.get() );5438 }5439 return this.pushstack( ret );5440 };5441 });5442 function getall( context, tag ) {5443 var elems, elem,5444 i = 0,5445 found = typeof context.getelementsbytagname !== core_strundefined ? context.getelementsbytagname( tag || "*" ) :5446 typeof context.queryselectorall !== core_strundefined ? context.queryselectorall( tag || "*" ) :5447 undefined;5448 if ( !found ) {5449 for ( found = [], elems = context.childnodes || context; (elem = elems[i]) != null; i++ ) {5450 if ( !tag || jquery.nodename( elem, tag ) ) {5451 found.push( elem );5452 } else {5453 jquery.merge( found, getall( elem, tag ) );5454 }5455 }5456 }5457 return tag === undefined || tag && jquery.nodename( context, tag ) ?5458 jquery.merge( [ context ], found ) :5459 found;5460 }5461// used in buildfragment, fixes the defaultchecked property5462 function fixdefaultchecked( elem ) {5463 if ( manipulation_rcheckabletype.test( elem.type ) ) {5464 elem.defaultchecked = elem.checked;5465 }5466 }5467 jquery.extend({5468 clone: function( elem, dataandevents, deepdataandevents ) {5469 var destelements, node, clone, i, srcelements,5470 inpage = jquery.contains( elem.ownerdocument, elem );5471 if ( jquery.support.html5clone || jquery.isxmldoc(elem) || !rnoshimcache.test( "<" + elem.nodename + ">" ) ) {5472 clone = elem.clonenode( true );5473 // ie<=8 does not properly clone detached, unknown element nodes5474 } else {5475 fragmentdiv.innerhtml = elem.outerhtml;5476 fragmentdiv.removechild( clone = fragmentdiv.firstchild );5477 }5478 if ( (!jquery.support.nocloneevent || !jquery.support.noclonechecked) &&5479 (elem.nodetype === 1 || elem.nodetype === 11) && !jquery.isxmldoc(elem) ) {5480 // we eschew sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/25481 destelements = getall( clone );5482 srcelements = getall( elem );5483 // fix all ie cloning issues5484 for ( i = 0; (node = srcelements[i]) != null; ++i ) {5485 // ensure that the destination node is not null; fixes #95875486 if ( destelements[i] ) {5487 fixclonenodeissues( node, destelements[i] );5488 }5489 }5490 }5491 // copy the events from the original to the clone5492 if ( dataandevents ) {5493 if ( deepdataandevents ) {5494 srcelements = srcelements || getall( elem );5495 destelements = destelements || getall( clone );5496 for ( i = 0; (node = srcelements[i]) != null; i++ ) {5497 clonecopyevent( node, destelements[i] );5498 }5499 } else {5500 clonecopyevent( elem, clone );5501 }5502 }5503 // preserve script evaluation history5504 destelements = getall( clone, "script" );5505 if ( destelements.length > 0 ) {5506 setglobaleval( destelements, !inpage && getall( elem, "script" ) );5507 }5508 destelements = srcelements = node = null;5509 // return the cloned set5510 return clone;5511 },5512 buildfragment: function( elems, context, scripts, selection ) {5513 var j, elem, contains,5514 tmp, tag, tbody, wrap,5515 l = elems.length,5516 // ensure a safe fragment5517 safe = createsafefragment( context ),5518 nodes = [],5519 i = 0;5520 for ( ; i < l; i++ ) {5521 elem = elems[ i ];5522 if ( elem || elem === 0 ) {5523 // add nodes directly5524 if ( jquery.type( elem ) === "object" ) {5525 jquery.merge( nodes, elem.nodetype ? [ elem ] : elem );5526 // convert non-html into a text node5527 } else if ( !rhtml.test( elem ) ) {5528 nodes.push( context.createtextnode( elem ) );5529 // convert html into dom nodes5530 } else {5531 tmp = tmp || safe.appendchild( context.createelement("div") );5532 // deserialize a standard representation5533 tag = ( rtagname.exec( elem ) || ["", ""] )[1].tolowercase();5534 wrap = wrapmap[ tag ] || wrapmap._default;5535 tmp.innerhtml = wrap[1] + elem.replace( rxhtmltag, "<$1></$2>" ) + wrap[2];5536 // descend through wrappers to the right content5537 j = wrap[0];5538 while ( j-- ) {5539 tmp = tmp.lastchild;5540 }5541 // manually add leading whitespace removed by ie5542 if ( !jquery.support.leadingwhitespace && rleadingwhitespace.test( elem ) ) {5543 nodes.push( context.createtextnode( rleadingwhitespace.exec( elem )[0] ) );5544 }5545 // remove ie's autoinserted <tbody> from table fragments5546 if ( !jquery.support.tbody ) {5547 // string was a <table>, *may* have spurious <tbody>5548 elem = tag === "table" && !rtbody.test( elem ) ?5549 tmp.firstchild :5550 // string was a bare <thead> or <tfoot>5551 wrap[1] === "<table>" && !rtbody.test( elem ) ?5552 tmp :5553 0;5554 j = elem && elem.childnodes.length;5555 while ( j-- ) {5556 if ( jquery.nodename( (tbody = elem.childnodes[j]), "tbody" ) && !tbody.childnodes.length ) {5557 elem.removechild( tbody );5558 }5559 }5560 }5561 jquery.merge( nodes, tmp.childnodes );5562 // fix #12392 for webkit and ie > 95563 tmp.textcontent = "";5564 // fix #12392 for oldie5565 while ( tmp.firstchild ) {5566 tmp.removechild( tmp.firstchild );5567 }5568 // remember the top-level container for proper cleanup5569 tmp = safe.lastchild;5570 }5571 }5572 }5573 // fix #11356: clear elements from fragment5574 if ( tmp ) {5575 safe.removechild( tmp );5576 }5577 // reset defaultchecked for any radios and checkboxes5578 // about to be appended to the dom in ie 6/7 (#8060)5579 if ( !jquery.support.appendchecked ) {5580 jquery.grep( getall( nodes, "input" ), fixdefaultchecked );5581 }5582 i = 0;5583 while ( (elem = nodes[ i++ ]) ) {5584 // #4087 - if origin and destination elements are the same, and this is5585 // that element, do not do anything5586 if ( selection && jquery.inarray( elem, selection ) !== -1 ) {5587 continue;5588 }5589 contains = jquery.contains( elem.ownerdocument, elem );5590 // append to fragment5591 tmp = getall( safe.appendchild( elem ), "script" );5592 // preserve script evaluation history5593 if ( contains ) {5594 setglobaleval( tmp );5595 }5596 // capture executables5597 if ( scripts ) {5598 j = 0;5599 while ( (elem = tmp[ j++ ]) ) {5600 if ( rscripttype.test( elem.type || "" ) ) {5601 scripts.push( elem );5602 }5603 }5604 }5605 }5606 tmp = null;5607 return safe;5608 },5609 cleandata: function( elems, /* internal */ acceptdata ) {5610 var elem, type, id, data,5611 i = 0,5612 internalkey = jquery.expando,5613 cache = jquery.cache,5614 deleteexpando = jquery.support.deleteexpando,5615 special = jquery.event.special;5616 for ( ; (elem = elems[i]) != null; i++ ) {5617 if ( acceptdata || jquery.acceptdata( elem ) ) {5618 id = elem[ internalkey ];5619 data = id && cache[ id ];5620 if ( data ) {5621 if ( data.events ) {5622 for ( type in data.events ) {5623 if ( special[ type ] ) {5624 jquery.event.remove( elem, type );5625 // this is a shortcut to avoid jquery.event.remove's overhead5626 } else {5627 jquery.removeevent( elem, type, data.handle );5628 }5629 }5630 }5631 // remove cache only if it was not already removed by jquery.event.remove5632 if ( cache[ id ] ) {5633 delete cache[ id ];5634 // ie does not allow us to delete expando properties from nodes,5635 // nor does it have a removeattribute function on document nodes;5636 // we must handle all of these cases5637 if ( deleteexpando ) {5638 delete elem[ internalkey ];5639 } else if ( typeof elem.removeattribute !== core_strundefined ) {5640 elem.removeattribute( internalkey );5641 } else {5642 elem[ internalkey ] = null;5643 }5644 core_deletedids.push( id );5645 }5646 }5647 }5648 }5649 },5650 _evalurl: function( url ) {5651 return jquery.ajax({5652 url: url,5653 type: "get",5654 datatype: "script",5655 async: false,5656 global: false,5657 "throws": true5658 });5659 }5660 });5661 jquery.fn.extend({5662 wrapall: function( html ) {5663 if ( jquery.isfunction( html ) ) {5664 return this.each(function(i) {5665 jquery(this).wrapall( html.call(this, i) );5666 });5667 }5668 if ( this[0] ) {5669 // the elements to wrap the target around5670 var wrap = jquery( html, this[0].ownerdocument ).eq(0).clone(true);5671 if ( this[0].parentnode ) {5672 wrap.insertbefore( this[0] );5673 }5674 wrap.map(function() {5675 var elem = this;5676 while ( elem.firstchild && elem.firstchild.nodetype === 1 ) {5677 elem = elem.firstchild;5678 }5679 return elem;5680 }).append( this );5681 }5682 return this;5683 },5684 wrapinner: function( html ) {5685 if ( jquery.isfunction( html ) ) {5686 return this.each(function(i) {5687 jquery(this).wrapinner( html.call(this, i) );5688 });5689 }5690 return this.each(function() {5691 var self = jquery( this ),5692 contents = self.contents();5693 if ( contents.length ) {5694 contents.wrapall( html );5695 } else {5696 self.append( html );5697 }5698 });5699 },5700 wrap: function( html ) {5701 var isfunction = jquery.isfunction( html );5702 return this.each(function(i) {5703 jquery( this ).wrapall( isfunction ? html.call(this, i) : html );5704 });5705 },5706 unwrap: function() {5707 return this.parent().each(function() {5708 if ( !jquery.nodename( this, "body" ) ) {5709 jquery( this ).replacewith( this.childnodes );5710 }5711 }).end();5712 }5713 });5714 var iframe, getstyles, curcss,5715 ralpha = /alpha\([^)]*\)/i,5716 ropacity = /opacity\s*=\s*([^)]*)/,5717 rposition = /^(top|right|bottom|left)$/,5718 // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"5719 // see here for display values: https://developer.mozilla.org/en-us/docs/css/display5720 rdisplayswap = /^(none|table(?!-c[ea]).+)/,5721 rmargin = /^margin/,5722 rnumsplit = new regexp( "^(" + core_pnum + ")(.*)$", "i" ),5723 rnumnonpx = new regexp( "^(" + core_pnum + ")(?!px)[a-z%]+$", "i" ),5724 rrelnum = new regexp( "^([+-])=(" + core_pnum + ")", "i" ),5725 elemdisplay = { body: "block" },5726 cssshow = { position: "absolute", visibility: "hidden", display: "block" },5727 cssnormaltransform = {5728 letterspacing: 0,5729 fontweight: 4005730 },5731 cssexpand = [ "top", "right", "bottom", "left" ],5732 cssprefixes = [ "webkit", "o", "moz", "ms" ];5733// return a css property mapped to a potentially vendor prefixed property5734 function vendorpropname( style, name ) {5735 // shortcut for names that are not vendor prefixed5736 if ( name in style ) {5737 return name;5738 }5739 // check for vendor prefixed names5740 var capname = name.charat(0).touppercase() + name.slice(1),5741 origname = name,5742 i = cssprefixes.length;5743 while ( i-- ) {5744 name = cssprefixes[ i ] + capname;5745 if ( name in style ) {5746 return name;5747 }5748 }5749 return origname;5750 }5751 function ishidden( elem, el ) {5752 // ishidden might be called from jquery#filter function;5753 // in that case, element will be second argument5754 elem = el || elem;5755 return jquery.css( elem, "display" ) === "none" || !jquery.contains( elem.ownerdocument, elem );5756 }5757 function showhide( elements, show ) {5758 var display, elem, hidden,5759 values = [],5760 index = 0,5761 length = elements.length;5762 for ( ; index < length; index++ ) {5763 elem = elements[ index ];5764 if ( !elem.style ) {5765 continue;5766 }5767 values[ index ] = jquery._data( elem, "olddisplay" );5768 display = elem.style.display;5769 if ( show ) {5770 // reset the inline display of this element to learn if it is5771 // being hidden by cascaded rules or not5772 if ( !values[ index ] && display === "none" ) {5773 elem.style.display = "";5774 }5775 // set elements which have been overridden with display: none5776 // in a stylesheet to whatever the default browser style is5777 // for such an element5778 if ( elem.style.display === "" && ishidden( elem ) ) {5779 values[ index ] = jquery._data( elem, "olddisplay", css_defaultdisplay(elem.nodename) );5780 }5781 } else {5782 if ( !values[ index ] ) {5783 hidden = ishidden( elem );5784 if ( display && display !== "none" || !hidden ) {5785 jquery._data( elem, "olddisplay", hidden ? display : jquery.css( elem, "display" ) );5786 }5787 }5788 }5789 }5790 // set the display of most of the elements in a second loop5791 // to avoid the constant reflow