/*! * jquery javascript library v1.11.0 * http://jquery.com/ * * includes sizzle.js * http://sizzlejs.com/ * * copyright 2005, 2014 jquery foundation, inc. and other contributors * released under the mit license * http://jquery.org/license * * date: 2014-01-23t21:02z */ (function( global, factory ) { if ( typeof module === "object" && typeof module.exports === "object" ) { // for commonjs and commonjs-like environments where a proper window is present, // execute the factory and get jquery // for environments that do not inherently posses a window with a document // (such as node.js), expose a jquery-making factory as module.exports // this accentuates the need for the creation of a real window // e.g. var jquery = require("jquery")(window); // see ticket #14549 for more info module.exports = global.document ? factory( global, true ) : function( w ) { if ( !w.document ) { throw new error( "jquery requires a window with a document" ); } return factory( w ); }; } else { factory( global ); } // pass this if window is not defined yet }(typeof window !== "undefined" ? window : this, function( window, noglobal ) { // can't do this because several apps including asp.net trace // the stack via arguments.caller.callee and firefox dies if // you try to trace through "use strict" call chains. (#13335) // support: firefox 18+ // var deletedids = []; var slice = deletedids.slice; var concat = deletedids.concat; var push = deletedids.push; var indexof = deletedids.indexof; var class2type = {}; var tostring = class2type.tostring; var hasown = class2type.hasownproperty; var trim = "".trim; var support = {}; var version = "1.11.0", // define a local copy of jquery jquery = function( selector, context ) { // the jquery object is actually just the init constructor 'enhanced' // need init if jquery is called (just allow error to be thrown if not included) return new jquery.fn.init( selector, context ); }, // make sure we trim bom and nbsp (here's looking at you, safari 5.0 and ie) rtrim = /^[\s\ufeff\xa0]+|[\s\ufeff\xa0]+$/g, // matches dashed string for camelizing rmsprefix = /^-ms-/, rdashalpha = /-([\da-z])/gi, // used by jquery.camelcase as callback to replace() fcamelcase = function( all, letter ) { return letter.touppercase(); }; jquery.fn = jquery.prototype = { // the current version of jquery being used jquery: version, constructor: jquery, // start with an empty selector selector: "", // the default length of a jquery object is 0 length: 0, toarray: function() { return slice.call( this ); }, // get the nth element in the matched element set or // get the whole matched element set as a clean array get: function( num ) { return num != null ? // return a 'clean' array ( num < 0 ? this[ num + this.length ] : this[ num ] ) : // return just the object slice.call( this ); }, // take an array of elements and push it onto the stack // (returning the new matched element set) pushstack: function( elems ) { // build a new jquery matched element set var ret = jquery.merge( this.constructor(), elems ); // add the old object onto the stack (as a reference) ret.prevobject = this; ret.context = this.context; // return the newly-formed element set return ret; }, // execute a callback for every element in the matched set. // (you can seed the arguments with an array of args, but this is // only used internally.) each: function( callback, args ) { return jquery.each( this, callback, args ); }, map: function( callback ) { return this.pushstack( jquery.map(this, function( elem, i ) { return callback.call( elem, i, elem ); })); }, slice: function() { return this.pushstack( slice.apply( this, arguments ) ); }, first: function() { return this.eq( 0 ); }, last: function() { return this.eq( -1 ); }, eq: function( i ) { var len = this.length, j = +i + ( i < 0 ? len : 0 ); return this.pushstack( j >= 0 && j < len ? [ this[j] ] : [] ); }, end: function() { return this.prevobject || this.constructor(null); }, // for internal use only. // behaves like an array's method, not like a jquery method. push: push, sort: deletedids.sort, splice: deletedids.splice }; jquery.extend = jquery.fn.extend = function() { var src, copyisarray, copy, name, options, clone, target = arguments[0] || {}, i = 1, length = arguments.length, deep = false; // handle a deep copy situation if ( typeof target === "boolean" ) { deep = target; // skip the boolean and the target target = arguments[ i ] || {}; i++; } // handle case when target is a string or something (possible in deep copy) if ( typeof target !== "object" && !jquery.isfunction(target) ) { target = {}; } // extend jquery itself if only one argument is passed if ( i === length ) { target = this; i--; } for ( ; i < length; i++ ) { // only deal with non-null/undefined values if ( (options = arguments[ i ]) != null ) { // extend the base object for ( name in options ) { src = target[ name ]; copy = options[ name ]; // prevent never-ending loop if ( target === copy ) { continue; } // recurse if we're merging plain objects or arrays if ( deep && copy && ( jquery.isplainobject(copy) || (copyisarray = jquery.isarray(copy)) ) ) { if ( copyisarray ) { copyisarray = false; clone = src && jquery.isarray(src) ? src : []; } else { clone = src && jquery.isplainobject(src) ? src : {}; } // never move original objects, clone them target[ name ] = jquery.extend( deep, clone, copy ); // don't bring in undefined values } else if ( copy !== undefined ) { target[ name ] = copy; } } } } // return the modified object return target; }; jquery.extend({ // unique for each copy of jquery on the page expando: "jquery" + ( version + math.random() ).replace( /\d/g, "" ), // assume jquery is ready without the ready module isready: true, error: function( msg ) { throw new error( msg ); }, noop: function() {}, // see test/unit/core.js for details concerning isfunction. // since version 1.3, dom methods and functions like alert // aren't supported. they return false on ie (#2968). isfunction: function( obj ) { return jquery.type(obj) === "function"; }, isarray: array.isarray || function( obj ) { return jquery.type(obj) === "array"; }, iswindow: function( obj ) { /* jshint eqeqeq: false */ return obj != null && obj == obj.window; }, isnumeric: function( obj ) { // parsefloat nans numeric-cast false positives (null|true|false|"") // ...but misinterprets leading-number strings, particularly hex literals ("0x...") // subtraction forces infinities to nan return obj - parsefloat( obj ) >= 0; }, isemptyobject: function( obj ) { var name; for ( name in obj ) { return false; } return true; }, isplainobject: function( obj ) { var key; // must be an object. // because of ie, we also have to check the presence of the constructor property. // make sure that dom nodes and window objects don't pass through, as well if ( !obj || jquery.type(obj) !== "object" || obj.nodetype || jquery.iswindow( obj ) ) { return false; } try { // not own constructor property must be object if ( obj.constructor && !hasown.call(obj, "constructor") && !hasown.call(obj.constructor.prototype, "isprototypeof") ) { return false; } } catch ( e ) { // ie8,9 will throw exceptions on certain host objects #9897 return false; } // support: ie<9 // handle iteration over inherited properties before own properties. if ( support.ownlast ) { for ( key in obj ) { return hasown.call( obj, key ); } } // own properties are enumerated firstly, so to speed up, // if last one is own, then all properties are own. for ( key in obj ) {} return key === undefined || hasown.call( obj, key ); }, type: function( obj ) { if ( obj == null ) { return obj + ""; } return typeof obj === "object" || typeof obj === "function" ? class2type[ tostring.call(obj) ] || "object" : typeof obj; }, // evaluates a script in a global context // workarounds based on findings by jim driscoll // http://weblogs.java.net/blog/driscollscoll/archive/2009/09/08/eval-javascript-global-context globaleval: function( data ) { if ( data && jquery.trim( data ) ) { // we use execscript on internet explorer // we use an anonymous function so that context is window // rather than jquery in firefox ( window.execscript || function( data ) { window[ "eval" ].call( window, data ); } )( data ); } }, // convert dashed to camelcase; used by the css and data modules // microsoft forgot to hump their vendor prefix (#9572) camelcase: function( string ) { return string.replace( rmsprefix, "ms-" ).replace( rdashalpha, fcamelcase ); }, nodename: function( elem, name ) { return elem.nodename && elem.nodename.tolowercase() === name.tolowercase(); }, // args is for internal usage only each: function( obj, callback, args ) { var value, i = 0, length = obj.length, isarray = isarraylike( obj ); if ( args ) { if ( isarray ) { for ( ; i < length; i++ ) { value = callback.apply( obj[ i ], args ); if ( value === false ) { break; } } } else { for ( i in obj ) { value = callback.apply( obj[ i ], args ); if ( value === false ) { break; } } } // a special, fast, case for the most common use of each } else { if ( isarray ) { for ( ; i < length; i++ ) { value = callback.call( obj[ i ], i, obj[ i ] ); if ( value === false ) { break; } } } else { for ( i in obj ) { value = callback.call( obj[ i ], i, obj[ i ] ); if ( value === false ) { break; } } } } return obj; }, // use native string.trim function wherever possible trim: trim && !trim.call("\ufeff\xa0") ? function( text ) { return text == null ? "" : trim.call( text ); } : // otherwise use our own trimming functionality function( text ) { return text == null ? "" : ( text + "" ).replace( rtrim, "" ); }, // results is for internal usage only makearray: function( arr, results ) { var ret = results || []; if ( arr != null ) { if ( isarraylike( object(arr) ) ) { jquery.merge( ret, typeof arr === "string" ? [ arr ] : arr ); } else { push.call( ret, arr ); } } return ret; }, inarray: function( elem, arr, i ) { var len; if ( arr ) { if ( indexof ) { return indexof.call( arr, elem, i ); } len = arr.length; i = i ? i < 0 ? math.max( 0, len + i ) : i : 0; for ( ; i < len; i++ ) { // skip accessing in sparse arrays if ( i in arr && arr[ i ] === elem ) { return i; } } } return -1; }, merge: function( first, second ) { var len = +second.length, j = 0, i = first.length; while ( j < len ) { first[ i++ ] = second[ j++ ]; } // support: ie<9 // workaround casting of .length to nan on otherwise arraylike objects (e.g., nodelists) if ( len !== len ) { while ( second[j] !== undefined ) { first[ i++ ] = second[ j++ ]; } } first.length = i; return first; }, grep: function( elems, callback, invert ) { var callbackinverse, matches = [], i = 0, length = elems.length, callbackexpect = !invert; // go through the array, only saving the items // that pass the validator function for ( ; i < length; i++ ) { callbackinverse = !callback( elems[ i ], i ); if ( callbackinverse !== callbackexpect ) { matches.push( elems[ i ] ); } } return matches; }, // arg is for internal usage only map: function( elems, callback, arg ) { var value, i = 0, length = elems.length, isarray = isarraylike( elems ), ret = []; // go through the array, translating each of the items to their new values if ( isarray ) { for ( ; i < length; i++ ) { value = callback( elems[ i ], i, arg ); if ( value != null ) { ret.push( value ); } } // go through every key on the object, } else { for ( i in elems ) { value = callback( elems[ i ], i, arg ); if ( value != null ) { ret.push( value ); } } } // flatten any nested arrays return concat.apply( [], ret ); }, // a global guid counter for objects guid: 1, // bind a function to a context, optionally partially applying any // arguments. proxy: function( fn, context ) { var args, proxy, tmp; if ( typeof context === "string" ) { tmp = fn[ context ]; context = fn; fn = tmp; } // quick check to determine if target is callable, in the spec // this throws a typeerror, but we will just return undefined. if ( !jquery.isfunction( fn ) ) { return undefined; } // simulated bind args = slice.call( arguments, 2 ); proxy = function() { return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); }; // set the guid of unique handler to the same of original handler, so it can be removed proxy.guid = fn.guid = fn.guid || jquery.guid++; return proxy; }, now: function() { return +( new date() ); }, // jquery.support is not used in core but other projects attach their // properties to it so it needs to exist. support: support }); // populate the class2type map jquery.each("boolean number string function array date regexp object error".split(" "), function(i, name) { class2type[ "[object " + name + "]" ] = name.tolowercase(); }); function isarraylike( obj ) { var length = obj.length, type = jquery.type( obj ); if ( type === "function" || jquery.iswindow( obj ) ) { return false; } if ( obj.nodetype === 1 && length ) { return true; } return type === "array" || length === 0 || typeof length === "number" && length > 0 && ( length - 1 ) in obj; } var sizzle = /*! * sizzle css selector engine v1.10.16 * http://sizzlejs.com/ * * copyright 2013 jquery foundation, inc. and other contributors * released under the mit license * http://jquery.org/license * * date: 2014-01-13 */ (function( window ) { var i, support, expr, gettext, isxml, compile, outermostcontext, sortinput, hasduplicate, // local document vars setdocument, document, docelem, documentishtml, rbuggyqsa, rbuggymatches, matches, contains, // instance-specific data expando = "sizzle" + -(new date()), preferreddoc = window.document, dirruns = 0, done = 0, classcache = createcache(), tokencache = createcache(), compilercache = createcache(), sortorder = function( a, b ) { if ( a === b ) { hasduplicate = true; } return 0; }, // general-purpose constants strundefined = typeof undefined, max_negative = 1 << 31, // instance methods hasown = ({}).hasownproperty, arr = [], pop = arr.pop, push_native = arr.push, push = arr.push, slice = arr.slice, // use a stripped-down indexof if we can't use a native one indexof = arr.indexof || function( elem ) { var i = 0, len = this.length; for ( ; i < len; i++ ) { if ( this[i] === elem ) { return i; } } return -1; }, booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", // regular expressions // whitespace characters http://www.w3.org/tr/css3-selectors/#whitespace whitespace = "[\\x20\\t\\r\\n\\f]", // http://www.w3.org/tr/css3-syntax/#characters characterencoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+", // loosely modeled on css identifier characters // an unquoted value should be a css identifier http://www.w3.org/tr/css3-selectors/#attribute-selectors // proper syntax: http://www.w3.org/tr/css21/syndata.html#value-def-identifier identifier = characterencoding.replace( "w", "w#" ), // acceptable operators http://www.w3.org/tr/selectors/#attribute-selectors attributes = "\\[" + whitespace + "*(" + characterencoding + ")" + whitespace + "*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]", // prefer arguments quoted, // then not containing pseudos/brackets, // then attribute selectors/non-parenthetical expressions, // then anything else // these preferences are here to reduce the number of selectors // needing tokenize in the pseudo prefilter pseudos = ":(" + characterencoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)", // leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter rtrim = new regexp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), rcomma = new regexp( "^" + whitespace + "*," + whitespace + "*" ), rcombinators = new regexp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), rattributequotes = new regexp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), rpseudo = new regexp( pseudos ), ridentifier = new regexp( "^" + identifier + "$" ), matchexpr = { "id": new regexp( "^#(" + characterencoding + ")" ), "class": new regexp( "^\\.(" + characterencoding + ")" ), "tag": new regexp( "^(" + characterencoding.replace( "w", "w*" ) + ")" ), "attr": new regexp( "^" + attributes ), "pseudo": new regexp( "^" + pseudos ), "child": new regexp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), "bool": new regexp( "^(?:" + booleans + ")$", "i" ), // for use in libraries implementing .is() // we use this for pos matching in `select` "needscontext": new regexp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) }, rinputs = /^(?:input|select|textarea|button)$/i, rheader = /^h\d$/i, rnative = /^[^{]+\{\s*\[native \w/, // easily-parseable/retrievable id or tag or class selectors rquickexpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, rsibling = /[+~]/, rescape = /'|\\/g, // css escapes http://www.w3.org/tr/css21/syndata.html#escaped-characters runescape = new regexp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), funescape = function( _, escaped, escapedwhitespace ) { var high = "0x" + escaped - 0x10000; // nan means non-codepoint // support: firefox // workaround erroneous numeric interpretation of +"0x" return high !== high || escapedwhitespace ? escaped : high < 0 ? // bmp codepoint string.fromcharcode( high + 0x10000 ) : // supplemental plane codepoint (surrogate pair) string.fromcharcode( high >> 10 | 0xd800, high & 0x3ff | 0xdc00 ); }; // optimize for push.apply( _, nodelist ) try { push.apply( (arr = slice.call( preferreddoc.childnodes )), preferreddoc.childnodes ); // support: android<4.0 // detect silently failing push.apply arr[ preferreddoc.childnodes.length ].nodetype; } catch ( e ) { push = { apply: arr.length ? // leverage slice if possible function( target, els ) { push_native.apply( target, slice.call(els) ); } : // support: ie<9 // otherwise append directly function( target, els ) { var j = target.length, i = 0; // can't trust nodelist.length while ( (target[j++] = els[i++]) ) {} target.length = j - 1; } }; } function sizzle( selector, context, results, seed ) { var match, elem, m, nodetype, // qsa vars i, groups, old, nid, newcontext, newselector; if ( ( context ? context.ownerdocument || context : preferreddoc ) !== document ) { setdocument( context ); } context = context || document; results = results || []; if ( !selector || typeof selector !== "string" ) { return results; } if ( (nodetype = context.nodetype) !== 1 && nodetype !== 9 ) { return []; } if ( documentishtml && !seed ) { // shortcuts if ( (match = rquickexpr.exec( selector )) ) { // speed-up: sizzle("#id") if ( (m = match[1]) ) { if ( nodetype === 9 ) { elem = context.getelementbyid( m ); // check parentnode to catch when blackberry 4.6 returns // nodes that are no longer in the document (jquery #6963) if ( elem && elem.parentnode ) { // handle the case where ie, opera, and webkit return items // by name instead of id if ( elem.id === m ) { results.push( elem ); return results; } } else { return results; } } else { // context is not a document if ( context.ownerdocument && (elem = context.ownerdocument.getelementbyid( m )) && contains( context, elem ) && elem.id === m ) { results.push( elem ); return results; } } // speed-up: sizzle("tag") } else if ( match[2] ) { push.apply( results, context.getelementsbytagname( selector ) ); return results; // speed-up: sizzle(".class") } else if ( (m = match[3]) && support.getelementsbyclassname && context.getelementsbyclassname ) { push.apply( results, context.getelementsbyclassname( m ) ); return results; } } // qsa path if ( support.qsa && (!rbuggyqsa || !rbuggyqsa.test( selector )) ) { nid = old = expando; newcontext = context; newselector = nodetype === 9 && selector; // qsa works strangely on element-rooted queries // we can work around this by specifying an extra id on the root // and working up from there (thanks to andrew dupont for the technique) // ie 8 doesn't work on object elements if ( nodetype === 1 && context.nodename.tolowercase() !== "object" ) { groups = tokenize( selector ); if ( (old = context.getattribute("id")) ) { nid = old.replace( rescape, "\\$&" ); } else { context.setattribute( "id", nid ); } nid = "[id='" + nid + "'] "; i = groups.length; while ( i-- ) { groups[i] = nid + toselector( groups[i] ); } newcontext = rsibling.test( selector ) && testcontext( context.parentnode ) || context; newselector = groups.join(","); } if ( newselector ) { try { push.apply( results, newcontext.queryselectorall( newselector ) ); return results; } catch(qsaerror) { } finally { if ( !old ) { context.removeattribute("id"); } } } } } // all others return select( selector.replace( rtrim, "$1" ), context, results, seed ); } /** * create key-value caches of limited size * @returns {function(string, object)} returns the object data after storing it on itself with * property name the (space-suffixed) string and (if the cache is larger than expr.cachelength) * deleting the oldest entry */ function createcache() { var keys = []; function cache( key, value ) { // use (key + " ") to avoid collision with native prototype properties (see issue #157) if ( keys.push( key + " " ) > expr.cachelength ) { // only keep the most recent entries delete cache[ keys.shift() ]; } return (cache[ key + " " ] = value); } return cache; } /** * mark a function for special use by sizzle * @param {function} fn the function to mark */ function markfunction( fn ) { fn[ expando ] = true; return fn; } /** * support testing using an element * @param {function} fn passed the created div and expects a boolean result */ function assert( fn ) { var div = document.createelement("div"); try { return !!fn( div ); } catch (e) { return false; } finally { // remove from its parent by default if ( div.parentnode ) { div.parentnode.removechild( div ); } // release memory in ie div = null; } } /** * adds the same handler for all of the specified attrs * @param {string} attrs pipe-separated list of attributes * @param {function} handler the method that will be applied */ function addhandle( attrs, handler ) { var arr = attrs.split("|"), i = attrs.length; while ( i-- ) { expr.attrhandle[ arr[i] ] = handler; } } /** * checks document order of two siblings * @param {element} a * @param {element} b * @returns {number} returns less than 0 if a precedes b, greater than 0 if a follows b */ function siblingcheck( a, b ) { var cur = b && a, diff = cur && a.nodetype === 1 && b.nodetype === 1 && ( ~b.sourceindex || max_negative ) - ( ~a.sourceindex || max_negative ); // use ie sourceindex if available on both nodes if ( diff ) { return diff; } // check if b follows a if ( cur ) { while ( (cur = cur.nextsibling) ) { if ( cur === b ) { return -1; } } } return a ? 1 : -1; } /** * returns a function to use in pseudos for input types * @param {string} type */ function createinputpseudo( type ) { return function( elem ) { var name = elem.nodename.tolowercase(); return name === "input" && elem.type === type; }; } /** * returns a function to use in pseudos for buttons * @param {string} type */ function createbuttonpseudo( type ) { return function( elem ) { var name = elem.nodename.tolowercase(); return (name === "input" || name === "button") && elem.type === type; }; } /** * returns a function to use in pseudos for positionals * @param {function} fn */ function createpositionalpseudo( fn ) { return markfunction(function( argument ) { argument = +argument; return markfunction(function( seed, matches ) { var j, matchindexes = fn( [], seed.length, argument ), i = matchindexes.length; // match elements found at the specified indexes while ( i-- ) { if ( seed[ (j = matchindexes[i]) ] ) { seed[j] = !(matches[j] = seed[j]); } } }); }); } /** * checks a node for validity as a sizzle context * @param {element|object=} context * @returns {element|object|boolean} the input node if acceptable, otherwise a falsy value */ function testcontext( context ) { return context && typeof context.getelementsbytagname !== strundefined && context; } // expose support vars for convenience support = sizzle.support = {}; /** * detects xml nodes * @param {element|object} elem an element or a document * @returns {boolean} true iff elem is a non-html xml node */ isxml = sizzle.isxml = function( elem ) { // documentelement is verified for cases where it doesn't yet exist // (such as loading iframes in ie - #4833) var documentelement = elem && (elem.ownerdocument || elem).documentelement; return documentelement ? documentelement.nodename !== "html" : false; }; /** * sets document-related variables once based on the current document * @param {element|object} [doc] an element or document object to use to set the document * @returns {object} returns the current document */ setdocument = sizzle.setdocument = function( node ) { var hascompare, doc = node ? node.ownerdocument || node : preferreddoc, parent = doc.defaultview; // if no document and documentelement is available, return if ( doc === document || doc.nodetype !== 9 || !doc.documentelement ) { return document; } // set our document document = doc; docelem = doc.documentelement; // support tests documentishtml = !isxml( doc ); // support: ie>8 // if iframe document is assigned to "document" variable and if iframe has been reloaded, // ie will throw "permission denied" error when accessing "document" variable, see jquery #13936 // ie6-8 do not support the defaultview property so parent will be undefined if ( parent && parent !== parent.top ) { // ie11 does not have attachevent, so all must suffer if ( parent.addeventlistener ) { parent.addeventlistener( "unload", function() { setdocument(); }, false ); } else if ( parent.attachevent ) { parent.attachevent( "onunload", function() { setdocument(); }); } } /* attributes ---------------------------------------------------------------------- */ // support: ie<8 // verify that getattribute really returns attributes and not properties (excepting ie8 booleans) support.attributes = assert(function( div ) { div.classname = "i"; return !div.getattribute("classname"); }); /* getelement(s)by* ---------------------------------------------------------------------- */ // check if getelementsbytagname("*") returns only elements support.getelementsbytagname = assert(function( div ) { div.appendchild( doc.createcomment("") ); return !div.getelementsbytagname("*").length; }); // check if getelementsbyclassname can be trusted support.getelementsbyclassname = rnative.test( doc.getelementsbyclassname ) && assert(function( div ) { div.innerhtml = "
"; // support: safari<4 // catch class over-caching div.firstchild.classname = "i"; // support: opera<10 // catch gebcn failure to find non-leading classes return div.getelementsbyclassname("i").length === 2; }); // support: ie<10 // check if getelementbyid returns elements by name // the broken getelementbyid methods don't pick up programatically-set names, // so use a roundabout getelementsbyname test support.getbyid = assert(function( div ) { docelem.appendchild( div ).id = expando; return !doc.getelementsbyname || !doc.getelementsbyname( expando ).length; }); // id find and filter if ( support.getbyid ) { expr.find["id"] = function( id, context ) { if ( typeof context.getelementbyid !== strundefined && documentishtml ) { var m = context.getelementbyid( id ); // check parentnode to catch when blackberry 4.6 returns // nodes that are no longer in the document #6963 return m && m.parentnode ? [m] : []; } }; expr.filter["id"] = function( id ) { var attrid = id.replace( runescape, funescape ); return function( elem ) { return elem.getattribute("id") === attrid; }; }; } else { // support: ie6/7 // getelementbyid is not reliable as a find shortcut delete expr.find["id"]; expr.filter["id"] = function( id ) { var attrid = id.replace( runescape, funescape ); return function( elem ) { var node = typeof elem.getattributenode !== strundefined && elem.getattributenode("id"); return node && node.value === attrid; }; }; } // tag expr.find["tag"] = support.getelementsbytagname ? function( tag, context ) { if ( typeof context.getelementsbytagname !== strundefined ) { return context.getelementsbytagname( tag ); } } : function( tag, context ) { var elem, tmp = [], i = 0, results = context.getelementsbytagname( tag ); // filter out possible comments if ( tag === "*" ) { while ( (elem = results[i++]) ) { if ( elem.nodetype === 1 ) { tmp.push( elem ); } } return tmp; } return results; }; // class expr.find["class"] = support.getelementsbyclassname && function( classname, context ) { if ( typeof context.getelementsbyclassname !== strundefined && documentishtml ) { return context.getelementsbyclassname( classname ); } }; /* qsa/matchesselector ---------------------------------------------------------------------- */ // qsa and matchesselector support // matchesselector(:active) reports false when true (ie9/opera 11.5) rbuggymatches = []; // qsa(:focus) reports false when true (chrome 21) // we allow this because of a bug in ie8/9 that throws an error // whenever `document.activeelement` is accessed on an iframe // so, we allow :focus to pass through qsa all the time to avoid the ie error // see http://bugs.jquery.com/ticket/13378 rbuggyqsa = []; if ( (support.qsa = rnative.test( doc.queryselectorall )) ) { // build qsa regex // regex strategy adopted from diego perini assert(function( div ) { // select is set to empty string on purpose // this is to test ie's treatment of not explicitly // setting a boolean content attribute, // since its presence should be enough // http://bugs.jquery.com/ticket/12359 div.innerhtml = ""; // support: ie8, opera 10-12 // nothing should be selected when empty strings follow ^= or $= or *= if ( div.queryselectorall("[t^='']").length ) { rbuggyqsa.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); } // support: ie8 // boolean attributes and "value" are not treated correctly if ( !div.queryselectorall("[selected]").length ) { rbuggyqsa.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); } // webkit/opera - :checked should return selected option elements // http://www.w3.org/tr/2011/rec-css3-selectors-20110929/#checked // ie8 throws error here and will not see later tests if ( !div.queryselectorall(":checked").length ) { rbuggyqsa.push(":checked"); } }); assert(function( div ) { // support: windows 8 native apps // the type and name attributes are restricted during .innerhtml assignment var input = doc.createelement("input"); input.setattribute( "type", "hidden" ); div.appendchild( input ).setattribute( "name", "d" ); // support: ie8 // enforce case-sensitivity of name attribute if ( div.queryselectorall("[name=d]").length ) { rbuggyqsa.push( "name" + whitespace + "*[*^$|!~]?=" ); } // ff 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) // ie8 throws error here and will not see later tests if ( !div.queryselectorall(":enabled").length ) { rbuggyqsa.push( ":enabled", ":disabled" ); } // opera 10-11 does not throw on post-comma invalid pseudos div.queryselectorall("*,:x"); rbuggyqsa.push(",.*:"); }); } if ( (support.matchesselector = rnative.test( (matches = docelem.webkitmatchesselector || docelem.mozmatchesselector || docelem.omatchesselector || docelem.msmatchesselector) )) ) { assert(function( div ) { // check to see if it's possible to do matchesselector // on a disconnected node (ie 9) support.disconnectedmatch = matches.call( div, "div" ); // this should fail with an exception // gecko does not error, returns false instead matches.call( div, "[s!='']:x" ); rbuggymatches.push( "!=", pseudos ); }); } rbuggyqsa = rbuggyqsa.length && new regexp( rbuggyqsa.join("|") ); rbuggymatches = rbuggymatches.length && new regexp( rbuggymatches.join("|") ); /* contains ---------------------------------------------------------------------- */ hascompare = rnative.test( docelem.comparedocumentposition ); // element contains another // purposefully does not implement inclusive descendent // as in, an element does not contain itself contains = hascompare || rnative.test( docelem.contains ) ? function( a, b ) { var adown = a.nodetype === 9 ? a.documentelement : a, bup = b && b.parentnode; return a === bup || !!( bup && bup.nodetype === 1 && ( adown.contains ? adown.contains( bup ) : a.comparedocumentposition && a.comparedocumentposition( bup ) & 16 )); } : function( a, b ) { if ( b ) { while ( (b = b.parentnode) ) { if ( b === a ) { return true; } } } return false; }; /* sorting ---------------------------------------------------------------------- */ // document order sorting sortorder = hascompare ? function( a, b ) { // flag for duplicate removal if ( a === b ) { hasduplicate = true; return 0; } // sort on method existence if only one input has comparedocumentposition var compare = !a.comparedocumentposition - !b.comparedocumentposition; if ( compare ) { return compare; } // calculate position if both inputs belong to the same document compare = ( a.ownerdocument || a ) === ( b.ownerdocument || b ) ? a.comparedocumentposition( b ) : // otherwise we know they are disconnected 1; // disconnected nodes if ( compare & 1 || (!support.sortdetached && b.comparedocumentposition( a ) === compare) ) { // choose the first element that is related to our preferred document if ( a === doc || a.ownerdocument === preferreddoc && contains(preferreddoc, a) ) { return -1; } if ( b === doc || b.ownerdocument === preferreddoc && contains(preferreddoc, b) ) { return 1; } // maintain original order return sortinput ? ( indexof.call( sortinput, a ) - indexof.call( sortinput, b ) ) : 0; } return compare & 4 ? -1 : 1; } : function( a, b ) { // exit early if the nodes are identical if ( a === b ) { hasduplicate = true; return 0; } var cur, i = 0, aup = a.parentnode, bup = b.parentnode, ap = [ a ], bp = [ b ]; // parentless nodes are either documents or disconnected if ( !aup || !bup ) { return a === doc ? -1 : b === doc ? 1 : aup ? -1 : bup ? 1 : sortinput ? ( indexof.call( sortinput, a ) - indexof.call( sortinput, b ) ) : 0; // if the nodes are siblings, we can do a quick check } else if ( aup === bup ) { return siblingcheck( a, b ); } // otherwise we need full lists of their ancestors for comparison cur = a; while ( (cur = cur.parentnode) ) { ap.unshift( cur ); } cur = b; while ( (cur = cur.parentnode) ) { bp.unshift( cur ); } // walk down the tree looking for a discrepancy while ( ap[i] === bp[i] ) { i++; } return i ? // do a sibling check if the nodes have a common ancestor siblingcheck( ap[i], bp[i] ) : // otherwise nodes in our document sort first ap[i] === preferreddoc ? -1 : bp[i] === preferreddoc ? 1 : 0; }; return doc; }; sizzle.matches = function( expr, elements ) { return sizzle( expr, null, null, elements ); }; sizzle.matchesselector = function( elem, expr ) { // set document vars if needed if ( ( elem.ownerdocument || elem ) !== document ) { setdocument( elem ); } // make sure that attribute selectors are quoted expr = expr.replace( rattributequotes, "='$1']" ); if ( support.matchesselector && documentishtml && ( !rbuggymatches || !rbuggymatches.test( expr ) ) && ( !rbuggyqsa || !rbuggyqsa.test( expr ) ) ) { try { var ret = matches.call( elem, expr ); // ie 9's matchesselector returns false on disconnected nodes if ( ret || support.disconnectedmatch || // as well, disconnected nodes are said to be in a document // fragment in ie 9 elem.document && elem.document.nodetype !== 11 ) { return ret; } } catch(e) {} } return sizzle( expr, document, null, [elem] ).length > 0; }; sizzle.contains = function( context, elem ) { // set document vars if needed if ( ( context.ownerdocument || context ) !== document ) { setdocument( context ); } return contains( context, elem ); }; sizzle.attr = function( elem, name ) { // set document vars if needed if ( ( elem.ownerdocument || elem ) !== document ) { setdocument( elem ); } var fn = expr.attrhandle[ name.tolowercase() ], // don't get fooled by object.prototype properties (jquery #13807) val = fn && hasown.call( expr.attrhandle, name.tolowercase() ) ? fn( elem, name, !documentishtml ) : undefined; return val !== undefined ? val : support.attributes || !documentishtml ? elem.getattribute( name ) : (val = elem.getattributenode(name)) && val.specified ? val.value : null; }; sizzle.error = function( msg ) { throw new error( "syntax error, unrecognized expression: " + msg ); }; /** * document sorting and removing duplicates * @param {arraylike} results */ sizzle.uniquesort = function( results ) { var elem, duplicates = [], j = 0, i = 0; // unless we *know* we can detect duplicates, assume their presence hasduplicate = !support.detectduplicates; sortinput = !support.sortstable && results.slice( 0 ); results.sort( sortorder ); if ( hasduplicate ) { while ( (elem = results[i++]) ) { if ( elem === results[ i ] ) { j = duplicates.push( i ); } } while ( j-- ) { results.splice( duplicates[ j ], 1 ); } } // clear input after sorting to release objects // see https://github.com/jquery/sizzle/pull/225 sortinput = null; return results; }; /** * utility function for retrieving the text value of an array of dom nodes * @param {array|element} elem */ gettext = sizzle.gettext = function( elem ) { var node, ret = "", i = 0, nodetype = elem.nodetype; if ( !nodetype ) { // if no nodetype, this is expected to be an array while ( (node = elem[i++]) ) { // do not traverse comment nodes ret += gettext( node ); } } else if ( nodetype === 1 || nodetype === 9 || nodetype === 11 ) { // use textcontent for elements // innertext usage removed for consistency of new lines (jquery #11153) if ( typeof elem.textcontent === "string" ) { return elem.textcontent; } else { // traverse its children for ( elem = elem.firstchild; elem; elem = elem.nextsibling ) { ret += gettext( elem ); } } } else if ( nodetype === 3 || nodetype === 4 ) { return elem.nodevalue; } // do not include comment or processing instruction nodes return ret; }; expr = sizzle.selectors = { // can be adjusted by the user cachelength: 50, createpseudo: markfunction, match: matchexpr, attrhandle: {}, find: {}, relative: { ">": { dir: "parentnode", first: true }, " ": { dir: "parentnode" }, "+": { dir: "previoussibling", first: true }, "~": { dir: "previoussibling" } }, prefilter: { "attr": function( match ) { match[1] = match[1].replace( runescape, funescape ); // move the given value to match[3] whether quoted or unquoted match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape ); if ( match[2] === "~=" ) { match[3] = " " + match[3] + " "; } return match.slice( 0, 4 ); }, "child": function( match ) { /* matches from matchexpr["child"] 1 type (only|nth|...) 2 what (child|of-type) 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) 4 xn-component of xn+y argument ([+-]?\d*n|) 5 sign of xn-component 6 x of xn-component 7 sign of y-component 8 y of y-component */ match[1] = match[1].tolowercase(); if ( match[1].slice( 0, 3 ) === "nth" ) { // nth-* requires argument if ( !match[3] ) { sizzle.error( match[0] ); } // numeric x and y parameters for expr.filter.child // remember that false/true cast respectively to 0/1 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" ); // other types prohibit arguments } else if ( match[3] ) { sizzle.error( match[0] ); } return match; }, "pseudo": function( match ) { var excess, unquoted = !match[5] && match[2]; if ( matchexpr["child"].test( match[0] ) ) { return null; } // accept quoted arguments as-is if ( match[3] && match[4] !== undefined ) { match[2] = match[4]; // strip excess characters from unquoted arguments } else if ( unquoted && rpseudo.test( unquoted ) && // get excess from tokenize (recursively) (excess = tokenize( unquoted, true )) && // advance to the next closing parenthesis (excess = unquoted.indexof( ")", unquoted.length - excess ) - unquoted.length) ) { // excess is a negative index match[0] = match[0].slice( 0, excess ); match[2] = unquoted.slice( 0, excess ); } // return only captures needed by the pseudo filter method (type and argument) return match.slice( 0, 3 ); } }, filter: { "tag": function( nodenameselector ) { var nodename = nodenameselector.replace( runescape, funescape ).tolowercase(); return nodenameselector === "*" ? function() { return true; } : function( elem ) { return elem.nodename && elem.nodename.tolowercase() === nodename; }; }, "class": function( classname ) { var pattern = classcache[ classname + " " ]; return pattern || (pattern = new regexp( "(^|" + whitespace + ")" + classname + "(" + whitespace + "|$)" )) && classcache( classname, function( elem ) { return pattern.test( typeof elem.classname === "string" && elem.classname || typeof elem.getattribute !== strundefined && elem.getattribute("class") || "" ); }); }, "attr": function( name, operator, check ) { return function( elem ) { var result = sizzle.attr( elem, name ); if ( result == null ) { return operator === "!="; } if ( !operator ) { return true; } result += ""; return operator === "=" ? result === check : operator === "!=" ? result !== check : operator === "^=" ? check && result.indexof( check ) === 0 : operator === "*=" ? check && result.indexof( check ) > -1 : operator === "$=" ? check && result.slice( -check.length ) === check : operator === "~=" ? ( " " + result + " " ).indexof( check ) > -1 : operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : false; }; }, "child": function( type, what, argument, first, last ) { var simple = type.slice( 0, 3 ) !== "nth", forward = type.slice( -4 ) !== "last", oftype = what === "of-type"; return first === 1 && last === 0 ? // shortcut for :nth-*(n) function( elem ) { return !!elem.parentnode; } : function( elem, context, xml ) { var cache, outercache, node, diff, nodeindex, start, dir = simple !== forward ? "nextsibling" : "previoussibling", parent = elem.parentnode, name = oftype && elem.nodename.tolowercase(), usecache = !xml && !oftype; if ( parent ) { // :(first|last|only)-(child|of-type) if ( simple ) { while ( dir ) { node = elem; while ( (node = node[ dir ]) ) { if ( oftype ? node.nodename.tolowercase() === name : node.nodetype === 1 ) { return false; } } // reverse direction for :only-* (if we haven't yet done so) start = dir = type === "only" && !start && "nextsibling"; } return true; } start = [ forward ? parent.firstchild : parent.lastchild ]; // non-xml :nth-child(...) stores cache data on `parent` if ( forward && usecache ) { // seek `elem` from a previously-cached index outercache = parent[ expando ] || (parent[ expando ] = {}); cache = outercache[ type ] || []; nodeindex = cache[0] === dirruns && cache[1]; diff = cache[0] === dirruns && cache[2]; node = nodeindex && parent.childnodes[ nodeindex ]; while ( (node = ++nodeindex && node && node[ dir ] || // fallback to seeking `elem` from the start (diff = nodeindex = 0) || start.pop()) ) { // when found, cache indexes on `parent` and break if ( node.nodetype === 1 && ++diff && node === elem ) { outercache[ type ] = [ dirruns, nodeindex, diff ]; break; } } // use previously-cached element index if available } else if ( usecache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) { diff = cache[1]; // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...) } else { // use the same loop as above to seek `elem` from the start while ( (node = ++nodeindex && node && node[ dir ] || (diff = nodeindex = 0) || start.pop()) ) { if ( ( oftype ? node.nodename.tolowercase() === name : node.nodetype === 1 ) && ++diff ) { // cache the index of each encountered element if ( usecache ) { (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ]; } if ( node === elem ) { break; } } } } // incorporate the offset, then check against cycle size diff -= last; return diff === first || ( diff % first === 0 && diff / first >= 0 ); } }; }, "pseudo": function( pseudo, argument ) { // pseudo-class names are case-insensitive // http://www.w3.org/tr/selectors/#pseudo-classes // prioritize by case sensitivity in case custom pseudos are added with uppercase letters // remember that setfilters inherits from pseudos var args, fn = expr.pseudos[ pseudo ] || expr.setfilters[ pseudo.tolowercase() ] || sizzle.error( "unsupported pseudo: " + pseudo ); // the user may use createpseudo to indicate that // arguments are needed to create the filter function // just as sizzle does if ( fn[ expando ] ) { return fn( argument ); } // but maintain support for old signatures if ( fn.length > 1 ) { args = [ pseudo, pseudo, "", argument ]; return expr.setfilters.hasownproperty( pseudo.tolowercase() ) ? markfunction(function( seed, matches ) { var idx, matched = fn( seed, argument ), i = matched.length; while ( i-- ) { idx = indexof.call( seed, matched[i] ); seed[ idx ] = !( matches[ idx ] = matched[i] ); } }) : function( elem ) { return fn( elem, 0, args ); }; } return fn; } }, pseudos: { // potentially complex pseudos "not": markfunction(function( selector ) { // trim the selector passed to compile // to avoid treating leading and trailing // spaces as combinators var input = [], results = [], matcher = compile( selector.replace( rtrim, "$1" ) ); return matcher[ expando ] ? markfunction(function( seed, matches, context, xml ) { var elem, unmatched = matcher( seed, null, xml, [] ), i = seed.length; // match elements unmatched by `matcher` while ( i-- ) { if ( (elem = unmatched[i]) ) { seed[i] = !(matches[i] = elem); } } }) : function( elem, context, xml ) { input[0] = elem; matcher( input, null, xml, results ); return !results.pop(); }; }), "has": markfunction(function( selector ) { return function( elem ) { return sizzle( selector, elem ).length > 0; }; }), "contains": markfunction(function( text ) { return function( elem ) { return ( elem.textcontent || elem.innertext || gettext( elem ) ).indexof( text ) > -1; }; }), // "whether an element is represented by a :lang() selector // is based solely on the element's language value // being equal to the identifier c, // or beginning with the identifier c immediately followed by "-". // the matching of c against the element's language value is performed case-insensitively. // the identifier c does not have to be a valid language name." // http://www.w3.org/tr/selectors/#lang-pseudo "lang": markfunction( function( lang ) { // lang value must be a valid identifier if ( !ridentifier.test(lang || "") ) { sizzle.error( "unsupported lang: " + lang ); } lang = lang.replace( runescape, funescape ).tolowercase(); return function( elem ) { var elemlang; do { if ( (elemlang = documentishtml ? elem.lang : elem.getattribute("xml:lang") || elem.getattribute("lang")) ) { elemlang = elemlang.tolowercase(); return elemlang === lang || elemlang.indexof( lang + "-" ) === 0; } } while ( (elem = elem.parentnode) && elem.nodetype === 1 ); return false; }; }), // miscellaneous "target": function( elem ) { var hash = window.location && window.location.hash; return hash && hash.slice( 1 ) === elem.id; }, "root": function( elem ) { return elem === docelem; }, "focus": function( elem ) { return elem === document.activeelement && (!document.hasfocus || document.hasfocus()) && !!(elem.type || elem.href || ~elem.tabindex); }, // boolean properties "enabled": function( elem ) { return elem.disabled === false; }, "disabled": function( elem ) { return elem.disabled === true; }, "checked": function( elem ) { // in css3, :checked should return both checked and selected elements // http://www.w3.org/tr/2011/rec-css3-selectors-20110929/#checked var nodename = elem.nodename.tolowercase(); return (nodename === "input" && !!elem.checked) || (nodename === "option" && !!elem.selected); }, "selected": function( elem ) { // accessing this property makes selected-by-default // options in safari work properly if ( elem.parentnode ) { elem.parentnode.selectedindex; } return elem.selected === true; }, // contents "empty": function( elem ) { // http://www.w3.org/tr/selectors/#empty-pseudo // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), // but not by others (comment: 8; processing instruction: 7; etc.) // nodetype < 6 works because attributes (2) do not appear as children for ( elem = elem.firstchild; elem; elem = elem.nextsibling ) { if ( elem.nodetype < 6 ) { return false; } } return true; }, "parent": function( elem ) { return !expr.pseudos["empty"]( elem ); }, // element/input types "header": function( elem ) { return rheader.test( elem.nodename ); }, "input": function( elem ) { return rinputs.test( elem.nodename ); }, "button": function( elem ) { var name = elem.nodename.tolowercase(); return name === "input" && elem.type === "button" || name === "button"; }, "text": function( elem ) { var attr; return elem.nodename.tolowercase() === "input" && elem.type === "text" && // support: ie<8 // new html5 attribute values (e.g., "search") appear with elem.type === "text" ( (attr = elem.getattribute("type")) == null || attr.tolowercase() === "text" ); }, // position-in-collection "first": createpositionalpseudo(function() { return [ 0 ]; }), "last": createpositionalpseudo(function( matchindexes, length ) { return [ length - 1 ]; }), "eq": createpositionalpseudo(function( matchindexes, length, argument ) { return [ argument < 0 ? argument + length : argument ]; }), "even": createpositionalpseudo(function( matchindexes, length ) { var i = 0; for ( ; i < length; i += 2 ) { matchindexes.push( i ); } return matchindexes; }), "odd": createpositionalpseudo(function( matchindexes, length ) { var i = 1; for ( ; i < length; i += 2 ) { matchindexes.push( i ); } return matchindexes; }), "lt": createpositionalpseudo(function( matchindexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; --i >= 0; ) { matchindexes.push( i ); } return matchindexes; }), "gt": createpositionalpseudo(function( matchindexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; ++i < length; ) { matchindexes.push( i ); } return matchindexes; }) } }; expr.pseudos["nth"] = expr.pseudos["eq"]; // add button/input type pseudos for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { expr.pseudos[ i ] = createinputpseudo( i ); } for ( i in { submit: true, reset: true } ) { expr.pseudos[ i ] = createbuttonpseudo( i ); } // easy api for creating new setfilters function setfilters() {} setfilters.prototype = expr.filters = expr.pseudos; expr.setfilters = new setfilters(); function tokenize( selector, parseonly ) { var matched, match, tokens, type, sofar, groups, prefilters, cached = tokencache[ selector + " " ]; if ( cached ) { return parseonly ? 0 : cached.slice( 0 ); } sofar = selector; groups = []; prefilters = expr.prefilter; while ( sofar ) { // comma and first run if ( !matched || (match = rcomma.exec( sofar )) ) { if ( match ) { // don't consume trailing commas as valid sofar = sofar.slice( match[0].length ) || sofar; } groups.push( (tokens = []) ); } matched = false; // combinators if ( (match = rcombinators.exec( sofar )) ) { matched = match.shift(); tokens.push({ value: matched, // cast descendant combinators to space type: match[0].replace( rtrim, " " ) }); sofar = sofar.slice( matched.length ); } // filters for ( type in expr.filter ) { if ( (match = matchexpr[ type ].exec( sofar )) && (!prefilters[ type ] || (match = prefilters[ type ]( match ))) ) { matched = match.shift(); tokens.push({ value: matched, type: type, matches: match }); sofar = sofar.slice( matched.length ); } } if ( !matched ) { break; } } // return the length of the invalid excess // if we're just parsing // otherwise, throw an error or return tokens return parseonly ? sofar.length : sofar ? sizzle.error( selector ) : // cache the tokens tokencache( selector, groups ).slice( 0 ); } function toselector( tokens ) { var i = 0, len = tokens.length, selector = ""; for ( ; i < len; i++ ) { selector += tokens[i].value; } return selector; } function addcombinator( matcher, combinator, base ) { var dir = combinator.dir, checknonelements = base && dir === "parentnode", donename = done++; return combinator.first ? // check against closest ancestor/preceding element function( elem, context, xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodetype === 1 || checknonelements ) { return matcher( elem, context, xml ); } } } : // check against all ancestor/preceding elements function( elem, context, xml ) { var oldcache, outercache, newcache = [ dirruns, donename ]; // we can't set arbitrary data on xml nodes, so they don't benefit from dir caching if ( xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodetype === 1 || checknonelements ) { if ( matcher( elem, context, xml ) ) { return true; } } } } else { while ( (elem = elem[ dir ]) ) { if ( elem.nodetype === 1 || checknonelements ) { outercache = elem[ expando ] || (elem[ expando ] = {}); if ( (oldcache = outercache[ dir ]) && oldcache[ 0 ] === dirruns && oldcache[ 1 ] === donename ) { // assign to newcache so results back-propagate to previous elements return (newcache[ 2 ] = oldcache[ 2 ]); } else { // reuse newcache so results back-propagate to previous elements outercache[ dir ] = newcache; // a match means we're done; a fail means we have to keep checking if ( (newcache[ 2 ] = matcher( elem, context, xml )) ) { return true; } } } } } }; } function elementmatcher( matchers ) { return matchers.length > 1 ? function( elem, context, xml ) { var i = matchers.length; while ( i-- ) { if ( !matchers[i]( elem, context, xml ) ) { return false; } } return true; } : matchers[0]; } function condense( unmatched, map, filter, context, xml ) { var elem, newunmatched = [], i = 0, len = unmatched.length, mapped = map != null; for ( ; i < len; i++ ) { if ( (elem = unmatched[i]) ) { if ( !filter || filter( elem, context, xml ) ) { newunmatched.push( elem ); if ( mapped ) { map.push( i ); } } } } return newunmatched; } function setmatcher( prefilter, selector, matcher, postfilter, postfinder, postselector ) { if ( postfilter && !postfilter[ expando ] ) { postfilter = setmatcher( postfilter ); } if ( postfinder && !postfinder[ expando ] ) { postfinder = setmatcher( postfinder, postselector ); } return markfunction(function( seed, results, context, xml ) { var temp, i, elem, premap = [], postmap = [], preexisting = results.length, // get initial elements from seed or context elems = seed || multiplecontexts( selector || "*", context.nodetype ? [ context ] : context, [] ), // prefilter to get matcher input, preserving a map for seed-results synchronization matcherin = prefilter && ( seed || !selector ) ? condense( elems, premap, prefilter, context, xml ) : elems, matcherout = matcher ? // if we have a postfinder, or filtered seed, or non-seed postfilter or preexisting results, postfinder || ( seed ? prefilter : preexisting || postfilter ) ? // ...intermediate processing is necessary [] : // ...otherwise use results directly results : matcherin; // find primary matches if ( matcher ) { matcher( matcherin, matcherout, context, xml ); } // apply postfilter if ( postfilter ) { temp = condense( matcherout, postmap ); postfilter( temp, [], context, xml ); // un-match failing elements by moving them back to matcherin i = temp.length; while ( i-- ) { if ( (elem = temp[i]) ) { matcherout[ postmap[i] ] = !(matcherin[ postmap[i] ] = elem); } } } if ( seed ) { if ( postfinder || prefilter ) { if ( postfinder ) { // get the final matcherout by condensing this intermediate into postfinder contexts temp = []; i = matcherout.length; while ( i-- ) { if ( (elem = matcherout[i]) ) { // restore matcherin since elem is not yet a final match temp.push( (matcherin[i] = elem) ); } } postfinder( null, (matcherout = []), temp, xml ); } // move matched elements from seed to results to keep them synchronized i = matcherout.length; while ( i-- ) { if ( (elem = matcherout[i]) && (temp = postfinder ? indexof.call( seed, elem ) : premap[i]) > -1 ) { seed[temp] = !(results[temp] = elem); } } } // add elements to results, through postfinder if defined } else { matcherout = condense( matcherout === results ? matcherout.splice( preexisting, matcherout.length ) : matcherout ); if ( postfinder ) { postfinder( null, results, matcherout, xml ); } else { push.apply( results, matcherout ); } } }); } function matcherfromtokens( tokens ) { var checkcontext, matcher, j, len = tokens.length, leadingrelative = expr.relative[ tokens[0].type ], implicitrelative = leadingrelative || expr.relative[" "], i = leadingrelative ? 1 : 0, // the foundational matcher ensures that elements are reachable from top-level context(s) matchcontext = addcombinator( function( elem ) { return elem === checkcontext; }, implicitrelative, true ), matchanycontext = addcombinator( function( elem ) { return indexof.call( checkcontext, elem ) > -1; }, implicitrelative, true ), matchers = [ function( elem, context, xml ) { return ( !leadingrelative && ( xml || context !== outermostcontext ) ) || ( (checkcontext = context).nodetype ? matchcontext( elem, context, xml ) : matchanycontext( elem, context, xml ) ); } ]; for ( ; i < len; i++ ) { if ( (matcher = expr.relative[ tokens[i].type ]) ) { matchers = [ addcombinator(elementmatcher( matchers ), matcher) ]; } else { matcher = expr.filter[ tokens[i].type ].apply( null, tokens[i].matches ); // return special upon seeing a positional matcher if ( matcher[ expando ] ) { // find the next relative operator (if any) for proper handling j = ++i; for ( ; j < len; j++ ) { if ( expr.relative[ tokens[j].type ] ) { break; } } return setmatcher( i > 1 && elementmatcher( matchers ), i > 1 && toselector( // if the preceding token was a descendant combinator, insert an implicit any-element `*` tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) ).replace( rtrim, "$1" ), matcher, i < j && matcherfromtokens( tokens.slice( i, j ) ), j < len && matcherfromtokens( (tokens = tokens.slice( j )) ), j < len && toselector( tokens ) ); } matchers.push( matcher ); } } return elementmatcher( matchers ); } function matcherfromgroupmatchers( elementmatchers, setmatchers ) { var byset = setmatchers.length > 0, byelement = elementmatchers.length > 0, supermatcher = function( seed, context, xml, results, outermost ) { var elem, j, matcher, matchedcount = 0, i = "0", unmatched = seed && [], setmatched = [], contextbackup = outermostcontext, // we must always have either seed elements or outermost context elems = seed || byelement && expr.find["tag"]( "*", outermost ), // use integer dirruns iff this is the outermost matcher dirrunsunique = (dirruns += contextbackup == null ? 1 : math.random() || 0.1), len = elems.length; if ( outermost ) { outermostcontext = context !== document && context; } // add elements passing elementmatchers directly to results // keep `i` a string if there are no elements so `matchedcount` will be "00" below // support: ie<9, safari // tolerate nodelist properties (ie: "length"; safari: ) matching elements by id for ( ; i !== len && (elem = elems[i]) != null; i++ ) { if ( byelement && elem ) { j = 0; while ( (matcher = elementmatchers[j++]) ) { if ( matcher( elem, context, xml ) ) { results.push( elem ); break; } } if ( outermost ) { dirruns = dirrunsunique; } } // track unmatched elements for set filters if ( byset ) { // they will have gone through all possible matchers if ( (elem = !matcher && elem) ) { matchedcount--; } // lengthen the array for every element, matched or not if ( seed ) { unmatched.push( elem ); } } } // apply set filters to unmatched elements matchedcount += i; if ( byset && i !== matchedcount ) { j = 0; while ( (matcher = setmatchers[j++]) ) { matcher( unmatched, setmatched, context, xml ); } if ( seed ) { // reintegrate element matches to eliminate the need for sorting if ( matchedcount > 0 ) { while ( i-- ) { if ( !(unmatched[i] || setmatched[i]) ) { setmatched[i] = pop.call( results ); } } } // discard index placeholder values to get only actual matches setmatched = condense( setmatched ); } // add matches to results push.apply( results, setmatched ); // seedless set matches succeeding multiple successful matchers stipulate sorting if ( outermost && !seed && setmatched.length > 0 && ( matchedcount + setmatchers.length ) > 1 ) { sizzle.uniquesort( results ); } } // override manipulation of globals by nested matchers if ( outermost ) { dirruns = dirrunsunique; outermostcontext = contextbackup; } return unmatched; }; return byset ? markfunction( supermatcher ) : supermatcher; } compile = sizzle.compile = function( selector, group /* internal use only */ ) { var i, setmatchers = [], elementmatchers = [], cached = compilercache[ selector + " " ]; if ( !cached ) { // generate a function of recursive functions that can be used to check each element if ( !group ) { group = tokenize( selector ); } i = group.length; while ( i-- ) { cached = matcherfromtokens( group[i] ); if ( cached[ expando ] ) { setmatchers.push( cached ); } else { elementmatchers.push( cached ); } } // cache the compiled function cached = compilercache( selector, matcherfromgroupmatchers( elementmatchers, setmatchers ) ); } return cached; }; function multiplecontexts( selector, contexts, results ) { var i = 0, len = contexts.length; for ( ; i < len; i++ ) { sizzle( selector, contexts[i], results ); } return results; } function select( selector, context, results, seed ) { var i, tokens, token, type, find, match = tokenize( selector ); if ( !seed ) { // try to minimize operations if there is only one group if ( match.length === 1 ) { // take a shortcut and set the context if the root selector is an id tokens = match[0] = match[0].slice( 0 ); if ( tokens.length > 2 && (token = tokens[0]).type === "id" && support.getbyid && context.nodetype === 9 && documentishtml && expr.relative[ tokens[1].type ] ) { context = ( expr.find["id"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; if ( !context ) { return results; } selector = selector.slice( tokens.shift().value.length ); } // fetch a seed set for right-to-left matching i = matchexpr["needscontext"].test( selector ) ? 0 : tokens.length; while ( i-- ) { token = tokens[i]; // abort if we hit a combinator if ( expr.relative[ (type = token.type) ] ) { break; } if ( (find = expr.find[ type ]) ) { // search, expanding context for leading sibling combinators if ( (seed = find( token.matches[0].replace( runescape, funescape ), rsibling.test( tokens[0].type ) && testcontext( context.parentnode ) || context )) ) { // if seed is empty or no tokens remain, we can return early tokens.splice( i, 1 ); selector = seed.length && toselector( tokens ); if ( !selector ) { push.apply( results, seed ); return results; } break; } } } } } // compile and execute a filtering function // provide `match` to avoid retokenization if we modified the selector above compile( selector, match )( seed, context, !documentishtml, results, rsibling.test( selector ) && testcontext( context.parentnode ) || context ); return results; } // one-time assignments // sort stability support.sortstable = expando.split("").sort( sortorder ).join("") === expando; // support: chrome<14 // always assume duplicates if they aren't passed to the comparison function support.detectduplicates = !!hasduplicate; // initialize against the default document setdocument(); // support: webkit<537.32 - safari 6.0.3/chrome 25 (fixed in chrome 27) // detached nodes confoundingly follow *each other* support.sortdetached = assert(function( div1 ) { // should return 1, but returns 4 (following) return div1.comparedocumentposition( document.createelement("div") ) & 1; }); // support: ie<8 // prevent attribute/property "interpolation" // http://msdn.microsoft.com/en-us/library/ms536429%28vs.85%29.aspx if ( !assert(function( div ) { div.innerhtml = ""; return div.firstchild.getattribute("href") === "#" ; }) ) { addhandle( "type|href|height|width", function( elem, name, isxml ) { if ( !isxml ) { return elem.getattribute( name, name.tolowercase() === "type" ? 1 : 2 ); } }); } // support: ie<9 // use defaultvalue in place of getattribute("value") if ( !support.attributes || !assert(function( div ) { div.innerhtml = ""; div.firstchild.setattribute( "value", "" ); return div.firstchild.getattribute( "value" ) === ""; }) ) { addhandle( "value", function( elem, name, isxml ) { if ( !isxml && elem.nodename.tolowercase() === "input" ) { return elem.defaultvalue; } }); } // support: ie<9 // use getattributenode to fetch booleans when getattribute lies if ( !assert(function( div ) { return div.getattribute("disabled") == null; }) ) { addhandle( booleans, function( elem, name, isxml ) { var val; if ( !isxml ) { return elem[ name ] === true ? name.tolowercase() : (val = elem.getattributenode( name )) && val.specified ? val.value : null; } }); } return sizzle; })( window ); jquery.find = sizzle; jquery.expr = sizzle.selectors; jquery.expr[":"] = jquery.expr.pseudos; jquery.unique = sizzle.uniquesort; jquery.text = sizzle.gettext; jquery.isxmldoc = sizzle.isxml; jquery.contains = sizzle.contains; var rneedscontext = jquery.expr.match.needscontext; var rsingletag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/); var rissimple = /^.[^:#\[\.,]*$/; // implement the identical functionality for filter and not function winnow( elements, qualifier, not ) { if ( jquery.isfunction( qualifier ) ) { return jquery.grep( elements, function( elem, i ) { /* jshint -w018 */ return !!qualifier.call( elem, i, elem ) !== not; }); } if ( qualifier.nodetype ) { return jquery.grep( elements, function( elem ) { return ( elem === qualifier ) !== not; }); } if ( typeof qualifier === "string" ) { if ( rissimple.test( qualifier ) ) { return jquery.filter( qualifier, elements, not ); } qualifier = jquery.filter( qualifier, elements ); } return jquery.grep( elements, function( elem ) { return ( jquery.inarray( elem, qualifier ) >= 0 ) !== not; }); } jquery.filter = function( expr, elems, not ) { var elem = elems[ 0 ]; if ( not ) { expr = ":not(" + expr + ")"; } return elems.length === 1 && elem.nodetype === 1 ? jquery.find.matchesselector( elem, expr ) ? [ elem ] : [] : jquery.find.matches( expr, jquery.grep( elems, function( elem ) { return elem.nodetype === 1; })); }; jquery.fn.extend({ find: function( selector ) { var i, ret = [], self = this, len = self.length; if ( typeof selector !== "string" ) { return this.pushstack( jquery( selector ).filter(function() { for ( i = 0; i < len; i++ ) { if ( jquery.contains( self[ i ], this ) ) { return true; } } }) ); } for ( i = 0; i < len; i++ ) { jquery.find( selector, self[ i ], ret ); } // needed because $( selector, context ) becomes $( context ).find( selector ) ret = this.pushstack( len > 1 ? jquery.unique( ret ) : ret ); ret.selector = this.selector ? this.selector + " " + selector : selector; return ret; }, filter: function( selector ) { return this.pushstack( winnow(this, selector || [], false) ); }, not: function( selector ) { return this.pushstack( winnow(this, selector || [], true) ); }, is: function( selector ) { return !!winnow( this, // if this is a positional/relative selector, check membership in the returned set // so $("p:first").is("p:last") won't return true for a doc with two "p". typeof selector === "string" && rneedscontext.test( selector ) ? jquery( selector ) : selector || [], false ).length; } }); // initialize a jquery object // a central reference to the root jquery(document) var rootjquery, // use the correct document accordingly with window argument (sandbox) document = window.document, // a simple way to check for html strings // prioritize #id over to avoid xss via location.hash (#9521) // strict html recognition (#11290: must start with <) rquickexpr = /^(?:\s*(<[\w\w]+>)[^>]*|#([\w-]*))$/, init = jquery.fn.init = function( selector, context ) { var match, elem; // handle: $(""), $(null), $(undefined), $(false) if ( !selector ) { return this; } // handle html strings if ( typeof selector === "string" ) { if ( selector.charat(0) === "<" && selector.charat( selector.length - 1 ) === ">" && selector.length >= 3 ) { // assume that strings that start and end with <> are html and skip the regex check match = [ null, selector, null ]; } else { match = rquickexpr.exec( selector ); } // match html or make sure no context is specified for #id if ( match && (match[1] || !context) ) { // handle: $(html) -> $(array) if ( match[1] ) { context = context instanceof jquery ? context[0] : context; // scripts is true for back-compat // intentionally let the error be thrown if parsehtml is not present jquery.merge( this, jquery.parsehtml( match[1], context && context.nodetype ? context.ownerdocument || context : document, true ) ); // handle: $(html, props) if ( rsingletag.test( match[1] ) && jquery.isplainobject( context ) ) { for ( match in context ) { // properties of context are called as methods if possible if ( jquery.isfunction( this[ match ] ) ) { this[ match ]( context[ match ] ); // ...and otherwise set as attributes } else { this.attr( match, context[ match ] ); } } } return this; // handle: $(#id) } else { elem = document.getelementbyid( match[2] ); // check parentnode to catch when blackberry 4.6 returns // nodes that are no longer in the document #6963 if ( elem && elem.parentnode ) { // handle the case where ie and opera return items // by name instead of id if ( elem.id !== match[2] ) { return rootjquery.find( selector ); } // otherwise, we inject the element directly into the jquery object this.length = 1; this[0] = elem; } this.context = document; this.selector = selector; return this; } // handle: $(expr, $(...)) } else if ( !context || context.jquery ) { return ( context || rootjquery ).find( selector ); // handle: $(expr, context) // (which is just equivalent to: $(context).find(expr) } else { return this.constructor( context ).find( selector ); } // handle: $(domelement) } else if ( selector.nodetype ) { this.context = this[0] = selector; this.length = 1; return this; // handle: $(function) // shortcut for document ready } else if ( jquery.isfunction( selector ) ) { return typeof rootjquery.ready !== "undefined" ? rootjquery.ready( selector ) : // execute immediately if ready is not present selector( jquery ); } if ( selector.selector !== undefined ) { this.selector = selector.selector; this.context = selector.context; } return jquery.makearray( selector, this ); }; // give the init function the jquery prototype for later instantiation init.prototype = jquery.fn; // initialize central reference rootjquery = jquery( document ); var rparentsprev = /^(?:parents|prev(?:until|all))/, // methods guaranteed to produce a unique set when starting from a unique set guaranteedunique = { children: true, contents: true, next: true, prev: true }; jquery.extend({ dir: function( elem, dir, until ) { var matched = [], cur = elem[ dir ]; while ( cur && cur.nodetype !== 9 && (until === undefined || cur.nodetype !== 1 || !jquery( cur ).is( until )) ) { if ( cur.nodetype === 1 ) { matched.push( cur ); } cur = cur[dir]; } return matched; }, sibling: function( n, elem ) { var r = []; for ( ; n; n = n.nextsibling ) { if ( n.nodetype === 1 && n !== elem ) { r.push( n ); } } return r; } }); jquery.fn.extend({ has: function( target ) { var i, targets = jquery( target, this ), len = targets.length; return this.filter(function() { for ( i = 0; i < len; i++ ) { if ( jquery.contains( this, targets[i] ) ) { return true; } } }); }, closest: function( selectors, context ) { var cur, i = 0, l = this.length, matched = [], pos = rneedscontext.test( selectors ) || typeof selectors !== "string" ? jquery( selectors, context || this.context ) : 0; for ( ; i < l; i++ ) { for ( cur = this[i]; cur && cur !== context; cur = cur.parentnode ) { // always skip document fragments if ( cur.nodetype < 11 && (pos ? pos.index(cur) > -1 : // don't pass non-elements to sizzle cur.nodetype === 1 && jquery.find.matchesselector(cur, selectors)) ) { matched.push( cur ); break; } } } return this.pushstack( matched.length > 1 ? jquery.unique( matched ) : matched ); }, // determine the position of an element within // the matched set of elements index: function( elem ) { // no argument, return index in parent if ( !elem ) { return ( this[0] && this[0].parentnode ) ? this.first().prevall().length : -1; } // index in selector if ( typeof elem === "string" ) { return jquery.inarray( this[0], jquery( elem ) ); } // locate the position of the desired element return jquery.inarray( // if it receives a jquery object, the first element is used elem.jquery ? elem[0] : elem, this ); }, add: function( selector, context ) { return this.pushstack( jquery.unique( jquery.merge( this.get(), jquery( selector, context ) ) ) ); }, addback: function( selector ) { return this.add( selector == null ? this.prevobject : this.prevobject.filter(selector) ); } }); function sibling( cur, dir ) { do { cur = cur[ dir ]; } while ( cur && cur.nodetype !== 1 ); return cur; } jquery.each({ parent: function( elem ) { var parent = elem.parentnode; return parent && parent.nodetype !== 11 ? parent : null; }, parents: function( elem ) { return jquery.dir( elem, "parentnode" ); }, parentsuntil: function( elem, i, until ) { return jquery.dir( elem, "parentnode", until ); }, next: function( elem ) { return sibling( elem, "nextsibling" ); }, prev: function( elem ) { return sibling( elem, "previoussibling" ); }, nextall: function( elem ) { return jquery.dir( elem, "nextsibling" ); }, prevall: function( elem ) { return jquery.dir( elem, "previoussibling" ); }, nextuntil: function( elem, i, until ) { return jquery.dir( elem, "nextsibling", until ); }, prevuntil: function( elem, i, until ) { return jquery.dir( elem, "previoussibling", until ); }, siblings: function( elem ) { return jquery.sibling( ( elem.parentnode || {} ).firstchild, elem ); }, children: function( elem ) { return jquery.sibling( elem.firstchild ); }, contents: function( elem ) { return jquery.nodename( elem, "iframe" ) ? elem.contentdocument || elem.contentwindow.document : jquery.merge( [], elem.childnodes ); } }, function( name, fn ) { jquery.fn[ name ] = function( until, selector ) { var ret = jquery.map( this, fn, until ); if ( name.slice( -5 ) !== "until" ) { selector = until; } if ( selector && typeof selector === "string" ) { ret = jquery.filter( selector, ret ); } if ( this.length > 1 ) { // remove duplicates if ( !guaranteedunique[ name ] ) { ret = jquery.unique( ret ); } // reverse order for parents* and prev-derivatives if ( rparentsprev.test( name ) ) { ret = ret.reverse(); } } return this.pushstack( ret ); }; }); var rnotwhite = (/\s+/g); // string to object options format cache var optionscache = {}; // convert string-formatted options into object-formatted ones and store in cache function createoptions( options ) { var object = optionscache[ options ] = {}; jquery.each( options.match( rnotwhite ) || [], function( _, flag ) { object[ flag ] = true; }); return object; } /* * create a callback list using the following parameters: * * options: an optional list of space-separated options that will change how * the callback list behaves or a more traditional option object * * by default a callback list will act like an event callback list and can be * "fired" multiple times. * * possible options: * * once: will ensure the callback list can only be fired once (like a deferred) * * memory: will keep track of previous values and will call any callback added * after the list has been fired right away with the latest "memorized" * values (like a deferred) * * unique: will ensure a callback can only be added once (no duplicate in the list) * * stoponfalse: interrupt callings when a callback returns false * */ jquery.callbacks = function( options ) { // convert options from string-formatted to object-formatted if needed // (we check in cache first) options = typeof options === "string" ? ( optionscache[ options ] || createoptions( options ) ) : jquery.extend( {}, options ); var // flag to know if list is currently firing firing, // last fire value (for non-forgettable lists) memory, // flag to know if list was already fired fired, // end of the loop when firing firinglength, // index of currently firing callback (modified by remove if needed) firingindex, // first callback to fire (used internally by add and firewith) firingstart, // actual callback list list = [], // stack of fire calls for repeatable lists stack = !options.once && [], // fire callbacks fire = function( data ) { memory = options.memory && data; fired = true; firingindex = firingstart || 0; firingstart = 0; firinglength = list.length; firing = true; for ( ; list && firingindex < firinglength; firingindex++ ) { if ( list[ firingindex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stoponfalse ) { memory = false; // to prevent further calls using add break; } } firing = false; if ( list ) { if ( stack ) { if ( stack.length ) { fire( stack.shift() ); } } else if ( memory ) { list = []; } else { self.disable(); } } }, // actual callbacks object self = { // add a callback or a collection of callbacks to the list add: function() { if ( list ) { // first, we save the current length var start = list.length; (function add( args ) { jquery.each( args, function( _, arg ) { var type = jquery.type( arg ); if ( type === "function" ) { if ( !options.unique || !self.has( arg ) ) { list.push( arg ); } } else if ( arg && arg.length && type !== "string" ) { // inspect recursively add( arg ); } }); })( arguments ); // do we need to add the callbacks to the // current firing batch? if ( firing ) { firinglength = list.length; // with memory, if we're not firing then // we should call right away } else if ( memory ) { firingstart = start; fire( memory ); } } return this; }, // remove a callback from the list remove: function() { if ( list ) { jquery.each( arguments, function( _, arg ) { var index; while ( ( index = jquery.inarray( arg, list, index ) ) > -1 ) { list.splice( index, 1 ); // handle firing indexes if ( firing ) { if ( index <= firinglength ) { firinglength--; } if ( index <= firingindex ) { firingindex--; } } } }); } return this; }, // check if a given callback is in the list. // if no argument is given, return whether or not list has callbacks attached. has: function( fn ) { return fn ? jquery.inarray( fn, list ) > -1 : !!( list && list.length ); }, // remove all callbacks from the list empty: function() { list = []; firinglength = 0; return this; }, // have the list do nothing anymore disable: function() { list = stack = memory = undefined; return this; }, // is it disabled? disabled: function() { return !list; }, // lock the list in its current state lock: function() { stack = undefined; if ( !memory ) { self.disable(); } return this; }, // is it locked? locked: function() { return !stack; }, // call all callbacks with the given context and arguments firewith: function( context, args ) { if ( list && ( !fired || stack ) ) { args = args || []; args = [ context, args.slice ? args.slice() : args ]; if ( firing ) { stack.push( args ); } else { fire( args ); } } return this; }, // call all the callbacks with the given arguments fire: function() { self.firewith( this, arguments ); return this; }, // to know if the callbacks have already been called at least once fired: function() { return !!fired; } }; return self; }; jquery.extend({ deferred: function( func ) { var tuples = [ // action, add listener, listener list, final state [ "resolve", "done", jquery.callbacks("once memory"), "resolved" ], [ "reject", "fail", jquery.callbacks("once memory"), "rejected" ], [ "notify", "progress", jquery.callbacks("memory") ] ], state = "pending", promise = { state: function() { return state; }, always: function() { deferred.done( arguments ).fail( arguments ); return this; }, then: function( /* fndone, fnfail, fnprogress */ ) { var fns = arguments; return jquery.deferred(function( newdefer ) { jquery.each( tuples, function( i, tuple ) { var fn = jquery.isfunction( fns[ i ] ) && fns[ i ]; // deferred[ done | fail | progress ] for forwarding actions to newdefer deferred[ tuple[1] ](function() { var returned = fn && fn.apply( this, arguments ); if ( returned && jquery.isfunction( returned.promise ) ) { returned.promise() .done( newdefer.resolve ) .fail( newdefer.reject ) .progress( newdefer.notify ); } else { newdefer[ tuple[ 0 ] + "with" ]( this === promise ? newdefer.promise() : this, fn ? [ returned ] : arguments ); } }); }); fns = null; }).promise(); }, // get a promise for this deferred // if obj is provided, the promise aspect is added to the object promise: function( obj ) { return obj != null ? jquery.extend( obj, promise ) : promise; } }, deferred = {}; // keep pipe for back-compat promise.pipe = promise.then; // add list-specific methods jquery.each( tuples, function( i, tuple ) { var list = tuple[ 2 ], statestring = tuple[ 3 ]; // promise[ done | fail | progress ] = list.add promise[ tuple[1] ] = list.add; // handle state if ( statestring ) { list.add(function() { // state = [ resolved | rejected ] state = statestring; // [ reject_list | resolve_list ].disable; progress_list.lock }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock ); } // deferred[ resolve | reject | notify ] deferred[ tuple[0] ] = function() { deferred[ tuple[0] + "with" ]( this === deferred ? promise : this, arguments ); return this; }; deferred[ tuple[0] + "with" ] = list.firewith; }); // make the deferred a promise promise.promise( deferred ); // call given func if any if ( func ) { func.call( deferred, deferred ); } // all done! return deferred; }, // deferred helper when: function( subordinate /* , ..., subordinaten */ ) { var i = 0, resolvevalues = slice.call( arguments ), length = resolvevalues.length, // the count of uncompleted subordinates remaining = length !== 1 || ( subordinate && jquery.isfunction( subordinate.promise ) ) ? length : 0, // the master deferred. if resolvevalues consist of only a single deferred, just use that. deferred = remaining === 1 ? subordinate : jquery.deferred(), // update function for both resolve and progress values updatefunc = function( i, contexts, values ) { return function( value ) { contexts[ i ] = this; values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; if ( values === progressvalues ) { deferred.notifywith( contexts, values ); } else if ( !(--remaining) ) { deferred.resolvewith( contexts, values ); } }; }, progressvalues, progresscontexts, resolvecontexts; // add listeners to deferred subordinates; treat others as resolved if ( length > 1 ) { progressvalues = new array( length ); progresscontexts = new array( length ); resolvecontexts = new array( length ); for ( ; i < length; i++ ) { if ( resolvevalues[ i ] && jquery.isfunction( resolvevalues[ i ].promise ) ) { resolvevalues[ i ].promise() .done( updatefunc( i, resolvecontexts, resolvevalues ) ) .fail( deferred.reject ) .progress( updatefunc( i, progresscontexts, progressvalues ) ); } else { --remaining; } } } // if we're not waiting on anything, resolve the master if ( !remaining ) { deferred.resolvewith( resolvecontexts, resolvevalues ); } return deferred.promise(); } }); // the deferred used on dom ready var readylist; jquery.fn.ready = function( fn ) { // add the callback jquery.ready.promise().done( fn ); return this; }; jquery.extend({ // is the dom ready to be used? set to true once it occurs. isready: false, // a counter to track how many items to wait for before // the ready event fires. see #6781 readywait: 1, // hold (or release) the ready event holdready: function( hold ) { if ( hold ) { jquery.readywait++; } else { jquery.ready( true ); } }, // handle when the dom is ready ready: function( wait ) { // abort if there are pending holds or we're already ready if ( wait === true ? --jquery.readywait : jquery.isready ) { return; } // make sure body exists, at least, in case ie gets a little overzealous (ticket #5443). if ( !document.body ) { return settimeout( jquery.ready ); } // remember that the dom is ready jquery.isready = true; // if a normal dom ready event fired, decrement, and wait if need be if ( wait !== true && --jquery.readywait > 0 ) { return; } // if there are functions bound, to execute readylist.resolvewith( document, [ jquery ] ); // trigger any bound ready events if ( jquery.fn.trigger ) { jquery( document ).trigger("ready").off("ready"); } } }); /** * clean-up method for dom ready events */ function detach() { if ( document.addeventlistener ) { document.removeeventlistener( "domcontentloaded", completed, false ); window.removeeventlistener( "load", completed, false ); } else { document.detachevent( "onreadystatechange", completed ); window.detachevent( "onload", completed ); } } /** * the ready event handler and self cleanup method */ function completed() { // readystate === "complete" is good enough for us to call the dom ready in oldie if ( document.addeventlistener || event.type === "load" || document.readystate === "complete" ) { detach(); jquery.ready(); } } jquery.ready.promise = function( obj ) { if ( !readylist ) { readylist = jquery.deferred(); // catch cases where $(document).ready() is called after the browser event has already occurred. // we once tried to use readystate "interactive" here, but it caused issues like the one // discovered by chriss here: http://bugs.jquery.com/ticket/12282#comment:15 if ( document.readystate === "complete" ) { // handle it asynchronously to allow scripts the opportunity to delay ready settimeout( jquery.ready ); // standards-based browsers support domcontentloaded } else if ( document.addeventlistener ) { // use the handy event callback document.addeventlistener( "domcontentloaded", completed, false ); // a fallback to window.onload, that will always work window.addeventlistener( "load", completed, false ); // if ie event model is used } else { // ensure firing before onload, maybe late but safe also for iframes document.attachevent( "onreadystatechange", completed ); // a fallback to window.onload, that will always work window.attachevent( "onload", completed ); // if ie and not a frame // continually check to see if the document is ready var top = false; try { top = window.frameelement == null && document.documentelement; } catch(e) {} if ( top && top.doscroll ) { (function doscrollcheck() { if ( !jquery.isready ) { try { // use the trick by diego perini // http://javascript.nwbox.com/iecontentloaded/ top.doscroll("left"); } catch(e) { return settimeout( doscrollcheck, 50 ); } // detach all dom ready events detach(); // and execute any waiting functions jquery.ready(); } })(); } } } return readylist.promise( obj ); }; var strundefined = typeof undefined; // support: ie<9 // iteration over object's inherited properties before its own var i; for ( i in jquery( support ) ) { break; } support.ownlast = i !== "0"; // note: most support tests are defined in their respective modules. // false until the test is run support.inlineblockneedslayout = false; jquery(function() { // we need to execute this one support test asap because we need to know // if body.style.zoom needs to be set. var container, div, body = document.getelementsbytagname("body")[0]; if ( !body ) { // return for frameset docs that don't have a body return; } // setup container = document.createelement( "div" ); container.style.csstext = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px"; div = document.createelement( "div" ); body.appendchild( container ).appendchild( div ); if ( typeof div.style.zoom !== strundefined ) { // support: ie<8 // check if natively block-level elements act like inline-block // elements when setting their display to 'inline' and giving // them layout div.style.csstext = "border:0;margin:0;width:1px;padding:1px;display:inline;zoom:1"; if ( (support.inlineblockneedslayout = ( div.offsetwidth === 3 )) ) { // prevent ie 6 from affecting layout for positioned elements #11048 // prevent ie from shrinking the body in ie 7 mode #12869 // support: ie<8 body.style.zoom = 1; } } body.removechild( container ); // null elements to avoid leaks in ie container = div = null; }); (function() { var div = document.createelement( "div" ); // execute the test only if not already executed in another module. if (support.deleteexpando == null) { // support: ie<9 support.deleteexpando = true; try { delete div.test; } catch( e ) { support.deleteexpando = false; } } // null elements to avoid leaks in ie. div = null; })(); /** * determines whether an object can have data */ jquery.acceptdata = function( elem ) { var nodata = jquery.nodata[ (elem.nodename + " ").tolowercase() ], nodetype = +elem.nodetype || 1; // do not set data on non-element dom nodes because it will not be cleared (#8335). return nodetype !== 1 && nodetype !== 9 ? false : // nodes accept data unless otherwise specified; rejection can be conditional !nodata || nodata !== true && elem.getattribute("classid") === nodata; }; var rbrace = /^(?:\{[\w\w]*\}|\[[\w\w]*\])$/, rmultidash = /([a-z])/g; function dataattr( elem, key, data ) { // if nothing was found internally, try to fetch any // data from the html5 data-* attribute if ( data === undefined && elem.nodetype === 1 ) { var name = "data-" + key.replace( rmultidash, "-$1" ).tolowercase(); data = elem.getattribute( name ); if ( typeof data === "string" ) { try { data = data === "true" ? true : data === "false" ? false : data === "null" ? null : // only convert to a number if it doesn't change the string +data + "" === data ? +data : rbrace.test( data ) ? jquery.parsejson( data ) : data; } catch( e ) {} // make sure we set the data so it isn't changed later jquery.data( elem, key, data ); } else { data = undefined; } } return data; } // checks a cache object for emptiness function isemptydataobject( obj ) { var name; for ( name in obj ) { // if the public data object is empty, the private is still empty if ( name === "data" && jquery.isemptyobject( obj[name] ) ) { continue; } if ( name !== "tojson" ) { return false; } } return true; } function internaldata( elem, name, data, pvt /* internal use only */ ) { if ( !jquery.acceptdata( elem ) ) { return; } var ret, thiscache, internalkey = jquery.expando, // we have to handle dom nodes and js objects differently because ie6-7 // can't gc object references properly across the dom-js boundary isnode = elem.nodetype, // only dom nodes need the global jquery cache; js object data is // attached directly to the object so gc can occur automatically cache = isnode ? jquery.cache : elem, // only defining an id for js objects if its cache already exists allows // the code to shortcut on the same path as a dom node with no cache id = isnode ? elem[ internalkey ] : elem[ internalkey ] && internalkey; // avoid doing any more work than we need to when trying to get data on an // object that has no data at all if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && data === undefined && typeof name === "string" ) { return; } if ( !id ) { // only dom nodes need a new unique id for each element since their data // ends up in the global cache if ( isnode ) { id = elem[ internalkey ] = deletedids.pop() || jquery.guid++; } else { id = internalkey; } } if ( !cache[ id ] ) { // avoid exposing jquery metadata on plain js objects when the object // is serialized using json.stringify cache[ id ] = isnode ? {} : { tojson: jquery.noop }; } // an object can be passed to jquery.data instead of a key/value pair; this gets // shallow copied over onto the existing cache if ( typeof name === "object" || typeof name === "function" ) { if ( pvt ) { cache[ id ] = jquery.extend( cache[ id ], name ); } else { cache[ id ].data = jquery.extend( cache[ id ].data, name ); } } thiscache = cache[ id ]; // jquery data() is stored in a separate object inside the object's internal data // cache in order to avoid key collisions between internal data and user-defined // data. if ( !pvt ) { if ( !thiscache.data ) { thiscache.data = {}; } thiscache = thiscache.data; } if ( data !== undefined ) { thiscache[ jquery.camelcase( name ) ] = data; } // check for both converted-to-camel and non-converted data property names // if a data property was specified if ( typeof name === "string" ) { // first try to find as-is property data ret = thiscache[ name ]; // test for null|undefined property data if ( ret == null ) { // try to find the camelcased property ret = thiscache[ jquery.camelcase( name ) ]; } } else { ret = thiscache; } return ret; } function internalremovedata( elem, name, pvt ) { if ( !jquery.acceptdata( elem ) ) { return; } var thiscache, i, isnode = elem.nodetype, // see jquery.data for more information cache = isnode ? jquery.cache : elem, id = isnode ? elem[ jquery.expando ] : jquery.expando; // if there is already no cache entry for this object, there is no // purpose in continuing if ( !cache[ id ] ) { return; } if ( name ) { thiscache = pvt ? cache[ id ] : cache[ id ].data; if ( thiscache ) { // support array or space separated string names for data keys if ( !jquery.isarray( name ) ) { // try the string as a key before any manipulation if ( name in thiscache ) { name = [ name ]; } else { // split the camel cased version by spaces unless a key with the spaces exists name = jquery.camelcase( name ); if ( name in thiscache ) { name = [ name ]; } else { name = name.split(" "); } } } else { // if "name" is an array of keys... // when data is initially created, via ("key", "val") signature, // keys will be converted to camelcase. // since there is no way to tell _how_ a key was added, remove // both plain key and camelcase key. #12786 // this will only penalize the array argument path. name = name.concat( jquery.map( name, jquery.camelcase ) ); } i = name.length; while ( i-- ) { delete thiscache[ name[i] ]; } // if there is no data left in the cache, we want to continue // and let the cache object itself get destroyed if ( pvt ? !isemptydataobject(thiscache) : !jquery.isemptyobject(thiscache) ) { return; } } } // see jquery.data for more information if ( !pvt ) { delete cache[ id ].data; // don't destroy the parent cache unless the internal data object // had been the only thing left in it if ( !isemptydataobject( cache[ id ] ) ) { return; } } // destroy the cache if ( isnode ) { jquery.cleandata( [ elem ], true ); // use delete when supported for expandos or `cache` is not a window per iswindow (#10080) /* jshint eqeqeq: false */ } else if ( support.deleteexpando || cache != cache.window ) { /* jshint eqeqeq: true */ delete cache[ id ]; // when all else fails, null } else { cache[ id ] = null; } } jquery.extend({ cache: {}, // the following elements (space-suffixed to avoid object.prototype collisions) // throw uncatchable exceptions if you attempt to set expando properties nodata: { "applet ": true, "embed ": true, // ...but flash objects (which have this classid) *can* handle expandos "object ": "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" }, hasdata: function( elem ) { elem = elem.nodetype ? jquery.cache[ elem[jquery.expando] ] : elem[ jquery.expando ]; return !!elem && !isemptydataobject( elem ); }, data: function( elem, name, data ) { return internaldata( elem, name, data ); }, removedata: function( elem, name ) { return internalremovedata( elem, name ); }, // for internal use only. _data: function( elem, name, data ) { return internaldata( elem, name, data, true ); }, _removedata: function( elem, name ) { return internalremovedata( elem, name, true ); } }); jquery.fn.extend({ data: function( key, value ) { var i, name, data, elem = this[0], attrs = elem && elem.attributes; // special expections of .data basically thwart jquery.access, // so implement the relevant behavior ourselves // gets all values if ( key === undefined ) { if ( this.length ) { data = jquery.data( elem ); if ( elem.nodetype === 1 && !jquery._data( elem, "parsedattrs" ) ) { i = attrs.length; while ( i-- ) { name = attrs[i].name; if ( name.indexof("data-") === 0 ) { name = jquery.camelcase( name.slice(5) ); dataattr( elem, name, data[ name ] ); } } jquery._data( elem, "parsedattrs", true ); } } return data; } // sets multiple values if ( typeof key === "object" ) { return this.each(function() { jquery.data( this, key ); }); } return arguments.length > 1 ? // sets one value this.each(function() { jquery.data( this, key, value ); }) : // gets one value // try to fetch any internally stored data first elem ? dataattr( elem, key, jquery.data( elem, key ) ) : undefined; }, removedata: function( key ) { return this.each(function() { jquery.removedata( this, key ); }); } }); jquery.extend({ queue: function( elem, type, data ) { var queue; if ( elem ) { type = ( type || "fx" ) + "queue"; queue = jquery._data( elem, type ); // speed up dequeue by getting out quickly if this is just a lookup if ( data ) { if ( !queue || jquery.isarray(data) ) { queue = jquery._data( elem, type, jquery.makearray(data) ); } else { queue.push( data ); } } return queue || []; } }, dequeue: function( elem, type ) { type = type || "fx"; var queue = jquery.queue( elem, type ), startlength = queue.length, fn = queue.shift(), hooks = jquery._queuehooks( elem, type ), next = function() { jquery.dequeue( elem, type ); }; // if the fx queue is dequeued, always remove the progress sentinel if ( fn === "inprogress" ) { fn = queue.shift(); startlength--; } if ( fn ) { // add a progress sentinel to prevent the fx queue from being // automatically dequeued if ( type === "fx" ) { queue.unshift( "inprogress" ); } // clear up the last queue stop function delete hooks.stop; fn.call( elem, next, hooks ); } if ( !startlength && hooks ) { hooks.empty.fire(); } }, // not intended for public consumption - generates a queuehooks object, or returns the current one _queuehooks: function( elem, type ) { var key = type + "queuehooks"; return jquery._data( elem, key ) || jquery._data( elem, key, { empty: jquery.callbacks("once memory").add(function() { jquery._removedata( elem, type + "queue" ); jquery._removedata( elem, key ); }) }); } }); jquery.fn.extend({ queue: function( type, data ) { var setter = 2; if ( typeof type !== "string" ) { data = type; type = "fx"; setter--; } if ( arguments.length < setter ) { return jquery.queue( this[0], type ); } return data === undefined ? this : this.each(function() { var queue = jquery.queue( this, type, data ); // ensure a hooks for this queue jquery._queuehooks( this, type ); if ( type === "fx" && queue[0] !== "inprogress" ) { jquery.dequeue( this, type ); } }); }, dequeue: function( type ) { return this.each(function() { jquery.dequeue( this, type ); }); }, clearqueue: function( type ) { return this.queue( type || "fx", [] ); }, // get a promise resolved when queues of a certain type // are emptied (fx is the type by default) promise: function( type, obj ) { var tmp, count = 1, defer = jquery.deferred(), elements = this, i = this.length, resolve = function() { if ( !( --count ) ) { defer.resolvewith( elements, [ elements ] ); } }; if ( typeof type !== "string" ) { obj = type; type = undefined; } type = type || "fx"; while ( i-- ) { tmp = jquery._data( elements[ i ], type + "queuehooks" ); if ( tmp && tmp.empty ) { count++; tmp.empty.add( resolve ); } } resolve(); return defer.promise( obj ); } }); var pnum = (/[+-]?(?:\d*\.|)\d+(?:[ee][+-]?\d+|)/).source; var cssexpand = [ "top", "right", "bottom", "left" ]; var ishidden = function( elem, el ) { // ishidden might be called from jquery#filter function; // in that case, element will be second argument elem = el || elem; return jquery.css( elem, "display" ) === "none" || !jquery.contains( elem.ownerdocument, elem ); }; // multifunctional method to get and set values of a collection // the value/s can optionally be executed if it's a function var access = jquery.access = function( elems, fn, key, value, chainable, emptyget, raw ) { var i = 0, length = elems.length, bulk = key == null; // sets many values if ( jquery.type( key ) === "object" ) { chainable = true; for ( i in key ) { jquery.access( elems, fn, i, key[i], true, emptyget, raw ); } // sets one value } else if ( value !== undefined ) { chainable = true; if ( !jquery.isfunction( value ) ) { raw = true; } if ( bulk ) { // bulk operations run against the entire set if ( raw ) { fn.call( elems, value ); fn = null; // ...except when executing function values } else { bulk = fn; fn = function( elem, key, value ) { return bulk.call( jquery( elem ), value ); }; } } if ( fn ) { for ( ; i < length; i++ ) { fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) ); } } } return chainable ? elems : // gets bulk ? fn.call( elems ) : length ? fn( elems[0], key ) : emptyget; }; var rcheckabletype = (/^(?:checkbox|radio)$/i); (function() { var fragment = document.createdocumentfragment(), div = document.createelement("div"), input = document.createelement("input"); // setup div.setattribute( "classname", "t" ); div.innerhtml = "
a"; // ie strips leading whitespace when .innerhtml is used support.leadingwhitespace = div.firstchild.nodetype === 3; // make sure that tbody elements aren't automatically inserted // ie will insert them into empty tables support.tbody = !div.getelementsbytagname( "tbody" ).length; // make sure that link elements get serialized correctly by innerhtml // this requires a wrapper element in ie support.htmlserialize = !!div.getelementsbytagname( "link" ).length; // makes sure cloning an html5 element does not cause problems // where outerhtml is undefined, this still works support.html5clone = document.createelement( "nav" ).clonenode( true ).outerhtml !== "<:nav>"; // check if a disconnected checkbox will retain its checked // value of true after appended to the dom (ie6/7) input.type = "checkbox"; input.checked = true; fragment.appendchild( input ); support.appendchecked = input.checked; // make sure textarea (and checkbox) defaultvalue is properly cloned // support: ie6-ie11+ div.innerhtml = ""; support.noclonechecked = !!div.clonenode( true ).lastchild.defaultvalue; // #11217 - webkit loses check when the name is after the checked attribute fragment.appendchild( div ); div.innerhtml = ""; // support: safari 5.1, ios 5.1, android 4.x, android 2.3 // old webkit doesn't clone checked state correctly in fragments support.checkclone = div.clonenode( true ).clonenode( true ).lastchild.checked; // support: ie<9 // opera does not clone events (and typeof div.attachevent === undefined). // ie9-10 clones events bound via attachevent, but they don't trigger with .click() support.nocloneevent = true; if ( div.attachevent ) { div.attachevent( "onclick", function() { support.nocloneevent = false; }); div.clonenode( true ).click(); } // execute the test only if not already executed in another module. if (support.deleteexpando == null) { // support: ie<9 support.deleteexpando = true; try { delete div.test; } catch( e ) { support.deleteexpando = false; } } // null elements to avoid leaks in ie. fragment = div = input = null; })(); (function() { var i, eventname, div = document.createelement( "div" ); // support: ie<9 (lack submit/change bubble), firefox 23+ (lack focusin event) for ( i in { submit: true, change: true, focusin: true }) { eventname = "on" + i; if ( !(support[ i + "bubbles" ] = eventname in window) ) { // beware of csp restrictions (https://developer.mozilla.org/en/security/csp) div.setattribute( eventname, "t" ); support[ i + "bubbles" ] = div.attributes[ eventname ].expando === false; } } // null elements to avoid leaks in ie. div = null; })(); var rformelems = /^(?:input|select|textarea)$/i, rkeyevent = /^key/, rmouseevent = /^(?:mouse|contextmenu)|click/, rfocusmorph = /^(?:focusinfocus|focusoutblur)$/, rtypenamespace = /^([^.]*)(?:\.(.+)|)$/; function returntrue() { return true; } function returnfalse() { return false; } function safeactiveelement() { try { return document.activeelement; } catch ( err ) { } } /* * helper functions for managing events -- not part of the public interface. * props to dean edwards' addevent library for many of the ideas. */ jquery.event = { global: {}, add: function( elem, types, handler, data, selector ) { var tmp, events, t, handleobjin, special, eventhandle, handleobj, handlers, type, namespaces, origtype, elemdata = jquery._data( elem ); // don't attach events to nodata or text/comment nodes (but allow plain objects) if ( !elemdata ) { return; } // caller can pass in an object of custom data in lieu of the handler if ( handler.handler ) { handleobjin = handler; handler = handleobjin.handler; selector = handleobjin.selector; } // make sure that the handler has a unique id, used to find/remove it later if ( !handler.guid ) { handler.guid = jquery.guid++; } // init the element's event structure and main handler, if this is the first if ( !(events = elemdata.events) ) { events = elemdata.events = {}; } if ( !(eventhandle = elemdata.handle) ) { eventhandle = elemdata.handle = function( e ) { // discard the second event of a jquery.event.trigger() and // when an event is called after a page has unloaded return typeof jquery !== strundefined && (!e || jquery.event.triggered !== e.type) ? jquery.event.dispatch.apply( eventhandle.elem, arguments ) : undefined; }; // add elem as a property of the handle fn to prevent a memory leak with ie non-native events eventhandle.elem = elem; } // handle multiple events separated by a space types = ( types || "" ).match( rnotwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[t] ) || []; type = origtype = tmp[1]; namespaces = ( tmp[2] || "" ).split( "." ).sort(); // there *must* be a type, no attaching namespace-only handlers if ( !type ) { continue; } // if event changes its type, use the special event handlers for the changed type special = jquery.event.special[ type ] || {}; // if selector defined, determine special event api type, otherwise given type type = ( selector ? special.delegatetype : special.bindtype ) || type; // update special based on newly reset type special = jquery.event.special[ type ] || {}; // handleobj is passed to all event handlers handleobj = jquery.extend({ type: type, origtype: origtype, data: data, handler: handler, guid: handler.guid, selector: selector, needscontext: selector && jquery.expr.match.needscontext.test( selector ), namespace: namespaces.join(".") }, handleobjin ); // init the event handler queue if we're the first if ( !(handlers = events[ type ]) ) { handlers = events[ type ] = []; handlers.delegatecount = 0; // only use addeventlistener/attachevent if the special events handler returns false if ( !special.setup || special.setup.call( elem, data, namespaces, eventhandle ) === false ) { // bind the global event handler to the element if ( elem.addeventlistener ) { elem.addeventlistener( type, eventhandle, false ); } else if ( elem.attachevent ) { elem.attachevent( "on" + type, eventhandle ); } } } if ( special.add ) { special.add.call( elem, handleobj ); if ( !handleobj.handler.guid ) { handleobj.handler.guid = handler.guid; } } // add to the element's handler list, delegates in front if ( selector ) { handlers.splice( handlers.delegatecount++, 0, handleobj ); } else { handlers.push( handleobj ); } // keep track of which events have ever been used, for event optimization jquery.event.global[ type ] = true; } // nullify elem to prevent memory leaks in ie elem = null; }, // detach an event or set of events from an element remove: function( elem, types, handler, selector, mappedtypes ) { var j, handleobj, tmp, origcount, t, events, special, handlers, type, namespaces, origtype, elemdata = jquery.hasdata( elem ) && jquery._data( elem ); if ( !elemdata || !(events = elemdata.events) ) { return; } // once for each type.namespace in types; type may be omitted types = ( types || "" ).match( rnotwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[t] ) || []; type = origtype = tmp[1]; namespaces = ( tmp[2] || "" ).split( "." ).sort(); // unbind all events (on this namespace, if provided) for the element if ( !type ) { for ( type in events ) { jquery.event.remove( elem, type + types[ t ], handler, selector, true ); } continue; } special = jquery.event.special[ type ] || {}; type = ( selector ? special.delegatetype : special.bindtype ) || type; handlers = events[ type ] || []; tmp = tmp[2] && new regexp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ); // remove matching events origcount = j = handlers.length; while ( j-- ) { handleobj = handlers[ j ]; if ( ( mappedtypes || origtype === handleobj.origtype ) && ( !handler || handler.guid === handleobj.guid ) && ( !tmp || tmp.test( handleobj.namespace ) ) && ( !selector || selector === handleobj.selector || selector === "**" && handleobj.selector ) ) { handlers.splice( j, 1 ); if ( handleobj.selector ) { handlers.delegatecount--; } if ( special.remove ) { special.remove.call( elem, handleobj ); } } } // remove generic event handler if we removed something and no more handlers exist // (avoids potential for endless recursion during removal of special event handlers) if ( origcount && !handlers.length ) { if ( !special.teardown || special.teardown.call( elem, namespaces, elemdata.handle ) === false ) { jquery.removeevent( elem, type, elemdata.handle ); } delete events[ type ]; } } // remove the expando if it's no longer used if ( jquery.isemptyobject( events ) ) { delete elemdata.handle; // removedata also checks for emptiness and clears the expando if empty // so use it instead of delete jquery._removedata( elem, "events" ); } }, trigger: function( event, data, elem, onlyhandlers ) { var handle, ontype, cur, bubbletype, special, tmp, i, eventpath = [ elem || document ], type = hasown.call( event, "type" ) ? event.type : event, namespaces = hasown.call( event, "namespace" ) ? event.namespace.split(".") : []; cur = tmp = elem = elem || document; // don't do events on text and comment nodes if ( elem.nodetype === 3 || elem.nodetype === 8 ) { return; } // focus/blur morphs to focusin/out; ensure we're not firing them right now if ( rfocusmorph.test( type + jquery.event.triggered ) ) { return; } if ( type.indexof(".") >= 0 ) { // namespaced trigger; create a regexp to match event type in handle() namespaces = type.split("."); type = namespaces.shift(); namespaces.sort(); } ontype = type.indexof(":") < 0 && "on" + type; // caller can pass in a jquery.event object, object, or just an event type string event = event[ jquery.expando ] ? event : new jquery.event( type, typeof event === "object" && event ); // trigger bitmask: & 1 for native handlers; & 2 for jquery (always true) event.istrigger = onlyhandlers ? 2 : 3; event.namespace = namespaces.join("."); event.namespace_re = event.namespace ? new regexp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) : null; // clean up the event in case it is being reused event.result = undefined; if ( !event.target ) { event.target = elem; } // clone any incoming data and prepend the event, creating the handler arg list data = data == null ? [ event ] : jquery.makearray( data, [ event ] ); // allow special events to draw outside the lines special = jquery.event.special[ type ] || {}; if ( !onlyhandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { return; } // determine event propagation path in advance, per w3c events spec (#9951) // bubble up to document, then to window; watch for a global ownerdocument var (#9724) if ( !onlyhandlers && !special.nobubble && !jquery.iswindow( elem ) ) { bubbletype = special.delegatetype || type; if ( !rfocusmorph.test( bubbletype + type ) ) { cur = cur.parentnode; } for ( ; cur; cur = cur.parentnode ) { eventpath.push( cur ); tmp = cur; } // only add window if we got to document (e.g., not plain obj or detached dom) if ( tmp === (elem.ownerdocument || document) ) { eventpath.push( tmp.defaultview || tmp.parentwindow || window ); } } // fire handlers on the event path i = 0; while ( (cur = eventpath[i++]) && !event.ispropagationstopped() ) { event.type = i > 1 ? bubbletype : special.bindtype || type; // jquery handler handle = ( jquery._data( cur, "events" ) || {} )[ event.type ] && jquery._data( cur, "handle" ); if ( handle ) { handle.apply( cur, data ); } // native handler handle = ontype && cur[ ontype ]; if ( handle && handle.apply && jquery.acceptdata( cur ) ) { event.result = handle.apply( cur, data ); if ( event.result === false ) { event.preventdefault(); } } } event.type = type; // if nobody prevented the default action, do it now if ( !onlyhandlers && !event.isdefaultprevented() ) { if ( (!special._default || special._default.apply( eventpath.pop(), data ) === false) && jquery.acceptdata( elem ) ) { // call a native dom method on the target with the same name name as the event. // can't use an .isfunction() check here because ie6/7 fails that test. // don't do default actions on window, that's where global variables be (#6170) if ( ontype && elem[ type ] && !jquery.iswindow( elem ) ) { // don't re-trigger an onfoo event when we call its foo() method tmp = elem[ ontype ]; if ( tmp ) { elem[ ontype ] = null; } // prevent re-triggering of the same event, since we already bubbled it above jquery.event.triggered = type; try { elem[ type ](); } catch ( e ) { // ie<9 dies on focus/blur to hidden element (#1486,#12518) // only reproducible on winxp ie8 native, not ie9 in ie8 mode } jquery.event.triggered = undefined; if ( tmp ) { elem[ ontype ] = tmp; } } } } return event.result; }, dispatch: function( event ) { // make a writable jquery.event from the native event object event = jquery.event.fix( event ); var i, ret, handleobj, matched, j, handlerqueue = [], args = slice.call( arguments ), handlers = ( jquery._data( this, "events" ) || {} )[ event.type ] || [], special = jquery.event.special[ event.type ] || {}; // use the fix-ed jquery.event rather than the (read-only) native event args[0] = event; event.delegatetarget = this; // call the predispatch hook for the mapped type, and let it bail if desired if ( special.predispatch && special.predispatch.call( this, event ) === false ) { return; } // determine handlers handlerqueue = jquery.event.handlers.call( this, event, handlers ); // run delegates first; they may want to stop propagation beneath us i = 0; while ( (matched = handlerqueue[ i++ ]) && !event.ispropagationstopped() ) { event.currenttarget = matched.elem; j = 0; while ( (handleobj = matched.handlers[ j++ ]) && !event.isimmediatepropagationstopped() ) { // triggered event must either 1) have no namespace, or // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace). if ( !event.namespace_re || event.namespace_re.test( handleobj.namespace ) ) { event.handleobj = handleobj; event.data = handleobj.data; ret = ( (jquery.event.special[ handleobj.origtype ] || {}).handle || handleobj.handler ) .apply( matched.elem, args ); if ( ret !== undefined ) { if ( (event.result = ret) === false ) { event.preventdefault(); event.stoppropagation(); } } } } } // call the postdispatch hook for the mapped type if ( special.postdispatch ) { special.postdispatch.call( this, event ); } return event.result; }, handlers: function( event, handlers ) { var sel, handleobj, matches, i, handlerqueue = [], delegatecount = handlers.delegatecount, cur = event.target; // find delegate handlers // black-hole svg instance trees (#13180) // avoid non-left-click bubbling in firefox (#3861) if ( delegatecount && cur.nodetype && (!event.button || event.type !== "click") ) { /* jshint eqeqeq: false */ for ( ; cur != this; cur = cur.parentnode || this ) { /* jshint eqeqeq: true */ // don't check non-elements (#13208) // don't process clicks on disabled elements (#6911, #8165, #11382, #11764) if ( cur.nodetype === 1 && (cur.disabled !== true || event.type !== "click") ) { matches = []; for ( i = 0; i < delegatecount; i++ ) { handleobj = handlers[ i ]; // don't conflict with object.prototype properties (#13203) sel = handleobj.selector + " "; if ( matches[ sel ] === undefined ) { matches[ sel ] = handleobj.needscontext ? jquery( sel, this ).index( cur ) >= 0 : jquery.find( sel, this, null, [ cur ] ).length; } if ( matches[ sel ] ) { matches.push( handleobj ); } } if ( matches.length ) { handlerqueue.push({ elem: cur, handlers: matches }); } } } } // add the remaining (directly-bound) handlers if ( delegatecount < handlers.length ) { handlerqueue.push({ elem: this, handlers: handlers.slice( delegatecount ) }); } return handlerqueue; }, fix: function( event ) { if ( event[ jquery.expando ] ) { return event; } // create a writable copy of the event object and normalize some properties var i, prop, copy, type = event.type, originalevent = event, fixhook = this.fixhooks[ type ]; if ( !fixhook ) { this.fixhooks[ type ] = fixhook = rmouseevent.test( type ) ? this.mousehooks : rkeyevent.test( type ) ? this.keyhooks : {}; } copy = fixhook.props ? this.props.concat( fixhook.props ) : this.props; event = new jquery.event( originalevent ); i = copy.length; while ( i-- ) { prop = copy[ i ]; event[ prop ] = originalevent[ prop ]; } // support: ie<9 // fix target property (#1925) if ( !event.target ) { event.target = originalevent.srcelement || document; } // support: chrome 23+, safari? // target should not be a text node (#504, #13143) if ( event.target.nodetype === 3 ) { event.target = event.target.parentnode; } // support: ie<9 // for mouse/key events, metakey==false if it's undefined (#3368, #11328) event.metakey = !!event.metakey; return fixhook.filter ? fixhook.filter( event, originalevent ) : event; }, // includes some event props shared by keyevent and mouseevent props: "altkey bubbles cancelable ctrlkey currenttarget eventphase metakey relatedtarget shiftkey target timestamp view which".split(" "), fixhooks: {}, keyhooks: { props: "char charcode key keycode".split(" "), filter: function( event, original ) { // add which for key events if ( event.which == null ) { event.which = original.charcode != null ? original.charcode : original.keycode; } return event; } }, mousehooks: { props: "button buttons clientx clienty fromelement offsetx offsety pagex pagey screenx screeny toelement".split(" "), filter: function( event, original ) { var body, eventdoc, doc, button = original.button, fromelement = original.fromelement; // calculate pagex/y if missing and clientx/y available if ( event.pagex == null && original.clientx != null ) { eventdoc = event.target.ownerdocument || document; doc = eventdoc.documentelement; body = eventdoc.body; event.pagex = original.clientx + ( doc && doc.scrollleft || body && body.scrollleft || 0 ) - ( doc && doc.clientleft || body && body.clientleft || 0 ); event.pagey = original.clienty + ( doc && doc.scrolltop || body && body.scrolltop || 0 ) - ( doc && doc.clienttop || body && body.clienttop || 0 ); } // add relatedtarget, if necessary if ( !event.relatedtarget && fromelement ) { event.relatedtarget = fromelement === event.target ? original.toelement : fromelement; } // add which for click: 1 === left; 2 === middle; 3 === right // note: button is not normalized, so don't use it if ( !event.which && button !== undefined ) { event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) ); } return event; } }, special: { load: { // prevent triggered image.load events from bubbling to window.load nobubble: true }, focus: { // fire native event if possible so blur/focus sequence is correct trigger: function() { if ( this !== safeactiveelement() && this.focus ) { try { this.focus(); return false; } catch ( e ) { // support: ie<9 // if we error on focus to hidden element (#1486, #12518), // let .trigger() run the handlers } } }, delegatetype: "focusin" }, blur: { trigger: function() { if ( this === safeactiveelement() && this.blur ) { this.blur(); return false; } }, delegatetype: "focusout" }, click: { // for checkbox, fire native event so checked state will be right trigger: function() { if ( jquery.nodename( this, "input" ) && this.type === "checkbox" && this.click ) { this.click(); return false; } }, // for cross-browser consistency, don't fire native .click() on links _default: function( event ) { return jquery.nodename( event.target, "a" ); } }, beforeunload: { postdispatch: function( event ) { // even when returnvalue equals to undefined firefox will still show alert if ( event.result !== undefined ) { event.originalevent.returnvalue = event.result; } } } }, simulate: function( type, elem, event, bubble ) { // piggyback on a donor event to simulate a different one. // fake originalevent to avoid donor's stoppropagation, but if the // simulated event prevents default then we do the same on the donor. var e = jquery.extend( new jquery.event(), event, { type: type, issimulated: true, originalevent: {} } ); if ( bubble ) { jquery.event.trigger( e, null, elem ); } else { jquery.event.dispatch.call( elem, e ); } if ( e.isdefaultprevented() ) { event.preventdefault(); } } }; jquery.removeevent = document.removeeventlistener ? function( elem, type, handle ) { if ( elem.removeeventlistener ) { elem.removeeventlistener( type, handle, false ); } } : function( elem, type, handle ) { var name = "on" + type; if ( elem.detachevent ) { // #8545, #7054, preventing memory leaks for custom events in ie6-8 // detachevent needed property on element, by name of that event, to properly expose it to gc if ( typeof elem[ name ] === strundefined ) { elem[ name ] = null; } elem.detachevent( name, handle ); } }; jquery.event = function( src, props ) { // allow instantiation without the 'new' keyword if ( !(this instanceof jquery.event) ) { return new jquery.event( src, props ); } // event object if ( src && src.type ) { this.originalevent = src; this.type = src.type; // events bubbling up the document may have been marked as prevented // by a handler lower down the tree; reflect the correct value. this.isdefaultprevented = src.defaultprevented || src.defaultprevented === undefined && ( // support: ie < 9 src.returnvalue === false || // support: android < 4.0 src.getpreventdefault && src.getpreventdefault() ) ? returntrue : returnfalse; // event type } else { this.type = src; } // put explicitly provided properties onto the event object if ( props ) { jquery.extend( this, props ); } // create a timestamp if incoming event doesn't have one this.timestamp = src && src.timestamp || jquery.now(); // mark it as fixed this[ jquery.expando ] = true; }; // jquery.event is based on dom3 events as specified by the ecmascript language binding // http://www.w3.org/tr/2003/wd-dom-level-3-events-20030331/ecma-script-binding.html jquery.event.prototype = { isdefaultprevented: returnfalse, ispropagationstopped: returnfalse, isimmediatepropagationstopped: returnfalse, preventdefault: function() { var e = this.originalevent; this.isdefaultprevented = returntrue; if ( !e ) { return; } // if preventdefault exists, run it on the original event if ( e.preventdefault ) { e.preventdefault(); // support: ie // otherwise set the returnvalue property of the original event to false } else { e.returnvalue = false; } }, stoppropagation: function() { var e = this.originalevent; this.ispropagationstopped = returntrue; if ( !e ) { return; } // if stoppropagation exists, run it on the original event if ( e.stoppropagation ) { e.stoppropagation(); } // support: ie // set the cancelbubble property of the original event to true e.cancelbubble = true; }, stopimmediatepropagation: function() { this.isimmediatepropagationstopped = returntrue; this.stoppropagation(); } }; // create mouseenter/leave events using mouseover/out and event-time checks jquery.each({ mouseenter: "mouseover", mouseleave: "mouseout" }, function( orig, fix ) { jquery.event.special[ orig ] = { delegatetype: fix, bindtype: fix, handle: function( event ) { var ret, target = this, related = event.relatedtarget, handleobj = event.handleobj; // for mousenter/leave call the handler if related is outside the target. // nb: no relatedtarget if the mouse left/entered the browser window if ( !related || (related !== target && !jquery.contains( target, related )) ) { event.type = handleobj.origtype; ret = handleobj.handler.apply( this, arguments ); event.type = fix; } return ret; } }; }); // ie submit delegation if ( !support.submitbubbles ) { jquery.event.special.submit = { setup: function() { // only need this for delegated form submit events if ( jquery.nodename( this, "form" ) ) { return false; } // lazy-add a submit handler when a descendant form may potentially be submitted jquery.event.add( this, "click._submit keypress._submit", function( e ) { // node name check avoids a vml-related crash in ie (#9807) var elem = e.target, form = jquery.nodename( elem, "input" ) || jquery.nodename( elem, "button" ) ? elem.form : undefined; if ( form && !jquery._data( form, "submitbubbles" ) ) { jquery.event.add( form, "submit._submit", function( event ) { event._submit_bubble = true; }); jquery._data( form, "submitbubbles", true ); } }); // return undefined since we don't need an event listener }, postdispatch: function( event ) { // if form was submitted by the user, bubble the event up the tree if ( event._submit_bubble ) { delete event._submit_bubble; if ( this.parentnode && !event.istrigger ) { jquery.event.simulate( "submit", this.parentnode, event, true ); } } }, teardown: function() { // only need this for delegated form submit events if ( jquery.nodename( this, "form" ) ) { return false; } // remove delegated handlers; cleandata eventually reaps submit handlers attached above jquery.event.remove( this, "._submit" ); } }; } // ie change delegation and checkbox/radio fix if ( !support.changebubbles ) { jquery.event.special.change = { setup: function() { if ( rformelems.test( this.nodename ) ) { // ie doesn't fire change on a check/radio until blur; trigger it on click // after a propertychange. eat the blur-change in special.change.handle. // this still fires onchange a second time for check/radio after blur. if ( this.type === "checkbox" || this.type === "radio" ) { jquery.event.add( this, "propertychange._change", function( event ) { if ( event.originalevent.propertyname === "checked" ) { this._just_changed = true; } }); jquery.event.add( this, "click._change", function( event ) { if ( this._just_changed && !event.istrigger ) { this._just_changed = false; } // allow triggered, simulated change events (#11500) jquery.event.simulate( "change", this, event, true ); }); } return false; } // delegated event; lazy-add a change handler on descendant inputs jquery.event.add( this, "beforeactivate._change", function( e ) { var elem = e.target; if ( rformelems.test( elem.nodename ) && !jquery._data( elem, "changebubbles" ) ) { jquery.event.add( elem, "change._change", function( event ) { if ( this.parentnode && !event.issimulated && !event.istrigger ) { jquery.event.simulate( "change", this.parentnode, event, true ); } }); jquery._data( elem, "changebubbles", true ); } }); }, handle: function( event ) { var elem = event.target; // swallow native change events from checkbox/radio, we already triggered them above if ( this !== elem || event.issimulated || event.istrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) { return event.handleobj.handler.apply( this, arguments ); } }, teardown: function() { jquery.event.remove( this, "._change" ); return !rformelems.test( this.nodename ); } }; } // create "bubbling" focus and blur events if ( !support.focusinbubbles ) { jquery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) { // attach a single capturing handler on the document while someone wants focusin/focusout var handler = function( event ) { jquery.event.simulate( fix, event.target, jquery.event.fix( event ), true ); }; jquery.event.special[ fix ] = { setup: function() { var doc = this.ownerdocument || this, attaches = jquery._data( doc, fix ); if ( !attaches ) { doc.addeventlistener( orig, handler, true ); } jquery._data( doc, fix, ( attaches || 0 ) + 1 ); }, teardown: function() { var doc = this.ownerdocument || this, attaches = jquery._data( doc, fix ) - 1; if ( !attaches ) { doc.removeeventlistener( orig, handler, true ); jquery._removedata( doc, fix ); } else { jquery._data( doc, fix, attaches ); } } }; }); } jquery.fn.extend({ on: function( types, selector, data, fn, /*internal*/ one ) { var type, origfn; // types can be a map of types/handlers if ( typeof types === "object" ) { // ( types-object, selector, data ) if ( typeof selector !== "string" ) { // ( types-object, data ) data = data || selector; selector = undefined; } for ( type in types ) { this.on( type, selector, data, types[ type ], one ); } return this; } if ( data == null && fn == null ) { // ( types, fn ) fn = selector; data = selector = undefined; } else if ( fn == null ) { if ( typeof selector === "string" ) { // ( types, selector, fn ) fn = data; data = undefined; } else { // ( types, data, fn ) fn = data; data = selector; selector = undefined; } } if ( fn === false ) { fn = returnfalse; } else if ( !fn ) { return this; } if ( one === 1 ) { origfn = fn; fn = function( event ) { // can use an empty set, since event contains the info jquery().off( event ); return origfn.apply( this, arguments ); }; // use same guid so caller can remove using origfn fn.guid = origfn.guid || ( origfn.guid = jquery.guid++ ); } return this.each( function() { jquery.event.add( this, types, fn, data, selector ); }); }, one: function( types, selector, data, fn ) { return this.on( types, selector, data, fn, 1 ); }, off: function( types, selector, fn ) { var handleobj, type; if ( types && types.preventdefault && types.handleobj ) { // ( event ) dispatched jquery.event handleobj = types.handleobj; jquery( types.delegatetarget ).off( handleobj.namespace ? handleobj.origtype + "." + handleobj.namespace : handleobj.origtype, handleobj.selector, handleobj.handler ); return this; } if ( typeof types === "object" ) { // ( types-object [, selector] ) for ( type in types ) { this.off( type, selector, types[ type ] ); } return this; } if ( selector === false || typeof selector === "function" ) { // ( types [, fn] ) fn = selector; selector = undefined; } if ( fn === false ) { fn = returnfalse; } return this.each(function() { jquery.event.remove( this, types, fn, selector ); }); }, trigger: function( type, data ) { return this.each(function() { jquery.event.trigger( type, data, this ); }); }, triggerhandler: function( type, data ) { var elem = this[0]; if ( elem ) { return jquery.event.trigger( type, data, elem, true ); } } }); function createsafefragment( document ) { var list = nodenames.split( "|" ), safefrag = document.createdocumentfragment(); if ( safefrag.createelement ) { while ( list.length ) { safefrag.createelement( list.pop() ); } } return safefrag; } var nodenames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" + "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video", rinlinejquery = / jquery\d+="(?:null|\d+)"/g, rnoshimcache = new regexp("<(?:" + nodenames + ")[\\s/>]", "i"), rleadingwhitespace = /^\s+/, rxhtmltag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi, rtagname = /<([\w:]+)/, rtbody = /\s*$/g, // we have to close these tags to support xhtml (#13200) wrapmap = { option: [ 1, "" ], legend: [ 1, "
", "
" ], area: [ 1, "", "" ], param: [ 1, "", "" ], thead: [ 1, "", "
" ], tr: [ 2, "", "
" ], col: [ 2, "", "
" ], td: [ 3, "", "
" ], // ie6-8 can't serialize link, script, style, or any html5 (noscope) tags, // unless wrapped in a div with non-breaking characters in front of it. _default: support.htmlserialize ? [ 0, "", "" ] : [ 1, "x
", "
" ] }, safefragment = createsafefragment( document ), fragmentdiv = safefragment.appendchild( document.createelement("div") ); wrapmap.optgroup = wrapmap.option; wrapmap.tbody = wrapmap.tfoot = wrapmap.colgroup = wrapmap.caption = wrapmap.thead; wrapmap.th = wrapmap.td; function getall( context, tag ) { var elems, elem, i = 0, found = typeof context.getelementsbytagname !== strundefined ? context.getelementsbytagname( tag || "*" ) : typeof context.queryselectorall !== strundefined ? context.queryselectorall( tag || "*" ) : undefined; if ( !found ) { for ( found = [], elems = context.childnodes || context; (elem = elems[i]) != null; i++ ) { if ( !tag || jquery.nodename( elem, tag ) ) { found.push( elem ); } else { jquery.merge( found, getall( elem, tag ) ); } } } return tag === undefined || tag && jquery.nodename( context, tag ) ? jquery.merge( [ context ], found ) : found; } // used in buildfragment, fixes the defaultchecked property function fixdefaultchecked( elem ) { if ( rcheckabletype.test( elem.type ) ) { elem.defaultchecked = elem.checked; } } // support: ie<8 // manipulating tables requires a tbody function manipulationtarget( elem, content ) { return jquery.nodename( elem, "table" ) && jquery.nodename( content.nodetype !== 11 ? content : content.firstchild, "tr" ) ? elem.getelementsbytagname("tbody")[0] || elem.appendchild( elem.ownerdocument.createelement("tbody") ) : elem; } // replace/restore the type attribute of script elements for safe dom manipulation function disablescript( elem ) { elem.type = (jquery.find.attr( elem, "type" ) !== null) + "/" + elem.type; return elem; } function restorescript( elem ) { var match = rscripttypemasked.exec( elem.type ); if ( match ) { elem.type = match[1]; } else { elem.removeattribute("type"); } return elem; } // mark scripts as having already been evaluated function setglobaleval( elems, refelements ) { var elem, i = 0; for ( ; (elem = elems[i]) != null; i++ ) { jquery._data( elem, "globaleval", !refelements || jquery._data( refelements[i], "globaleval" ) ); } } function clonecopyevent( src, dest ) { if ( dest.nodetype !== 1 || !jquery.hasdata( src ) ) { return; } var type, i, l, olddata = jquery._data( src ), curdata = jquery._data( dest, olddata ), events = olddata.events; if ( events ) { delete curdata.handle; curdata.events = {}; for ( type in events ) { for ( i = 0, l = events[ type ].length; i < l; i++ ) { jquery.event.add( dest, type, events[ type ][ i ] ); } } } // make the cloned public data object a copy from the original if ( curdata.data ) { curdata.data = jquery.extend( {}, curdata.data ); } } function fixclonenodeissues( src, dest ) { var nodename, e, data; // we do not need to do anything for non-elements if ( dest.nodetype !== 1 ) { return; } nodename = dest.nodename.tolowercase(); // ie6-8 copies events bound via attachevent when using clonenode. if ( !support.nocloneevent && dest[ jquery.expando ] ) { data = jquery._data( dest ); for ( e in data.events ) { jquery.removeevent( dest, e, data.handle ); } // event data gets referenced instead of copied if the expando gets copied too dest.removeattribute( jquery.expando ); } // ie blanks contents when cloning scripts, and tries to evaluate newly-set text if ( nodename === "script" && dest.text !== src.text ) { disablescript( dest ).text = src.text; restorescript( dest ); // ie6-10 improperly clones children of object elements using classid. // ie10 throws nomodificationallowederror if parent is null, #12132. } else if ( nodename === "object" ) { if ( dest.parentnode ) { dest.outerhtml = src.outerhtml; } // this path appears unavoidable for ie9. when cloning an object // element in ie9, the outerhtml strategy above is not sufficient. // if the src has innerhtml and the destination does not, // copy the src.innerhtml into the dest.innerhtml. #10324 if ( support.html5clone && ( src.innerhtml && !jquery.trim(dest.innerhtml) ) ) { dest.innerhtml = src.innerhtml; } } else if ( nodename === "input" && rcheckabletype.test( src.type ) ) { // ie6-8 fails to persist the checked state of a cloned checkbox // or radio button. worse, ie6-7 fail to give the cloned element // a checked appearance if the defaultchecked value isn't also set dest.defaultchecked = dest.checked = src.checked; // ie6-7 get confused and end up setting the value of a cloned // checkbox/radio button to an empty string instead of "on" if ( dest.value !== src.value ) { dest.value = src.value; } // ie6-8 fails to return the selected option to the default selected // state when cloning options } else if ( nodename === "option" ) { dest.defaultselected = dest.selected = src.defaultselected; // ie6-8 fails to set the defaultvalue to the correct value when // cloning other types of input fields } else if ( nodename === "input" || nodename === "textarea" ) { dest.defaultvalue = src.defaultvalue; } } jquery.extend({ clone: function( elem, dataandevents, deepdataandevents ) { var destelements, node, clone, i, srcelements, inpage = jquery.contains( elem.ownerdocument, elem ); if ( support.html5clone || jquery.isxmldoc(elem) || !rnoshimcache.test( "<" + elem.nodename + ">" ) ) { clone = elem.clonenode( true ); // ie<=8 does not properly clone detached, unknown element nodes } else { fragmentdiv.innerhtml = elem.outerhtml; fragmentdiv.removechild( clone = fragmentdiv.firstchild ); } if ( (!support.nocloneevent || !support.noclonechecked) && (elem.nodetype === 1 || elem.nodetype === 11) && !jquery.isxmldoc(elem) ) { // we eschew sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2 destelements = getall( clone ); srcelements = getall( elem ); // fix all ie cloning issues for ( i = 0; (node = srcelements[i]) != null; ++i ) { // ensure that the destination node is not null; fixes #9587 if ( destelements[i] ) { fixclonenodeissues( node, destelements[i] ); } } } // copy the events from the original to the clone if ( dataandevents ) { if ( deepdataandevents ) { srcelements = srcelements || getall( elem ); destelements = destelements || getall( clone ); for ( i = 0; (node = srcelements[i]) != null; i++ ) { clonecopyevent( node, destelements[i] ); } } else { clonecopyevent( elem, clone ); } } // preserve script evaluation history destelements = getall( clone, "script" ); if ( destelements.length > 0 ) { setglobaleval( destelements, !inpage && getall( elem, "script" ) ); } destelements = srcelements = node = null; // return the cloned set return clone; }, buildfragment: function( elems, context, scripts, selection ) { var j, elem, contains, tmp, tag, tbody, wrap, l = elems.length, // ensure a safe fragment safe = createsafefragment( context ), nodes = [], i = 0; for ( ; i < l; i++ ) { elem = elems[ i ]; if ( elem || elem === 0 ) { // add nodes directly if ( jquery.type( elem ) === "object" ) { jquery.merge( nodes, elem.nodetype ? [ elem ] : elem ); // convert non-html into a text node } else if ( !rhtml.test( elem ) ) { nodes.push( context.createtextnode( elem ) ); // convert html into dom nodes } else { tmp = tmp || safe.appendchild( context.createelement("div") ); // deserialize a standard representation tag = (rtagname.exec( elem ) || [ "", "" ])[ 1 ].tolowercase(); wrap = wrapmap[ tag ] || wrapmap._default; tmp.innerhtml = wrap[1] + elem.replace( rxhtmltag, "<$1>" ) + wrap[2]; // descend through wrappers to the right content j = wrap[0]; while ( j-- ) { tmp = tmp.lastchild; } // manually add leading whitespace removed by ie if ( !support.leadingwhitespace && rleadingwhitespace.test( elem ) ) { nodes.push( context.createtextnode( rleadingwhitespace.exec( elem )[0] ) ); } // remove ie's autoinserted from table fragments if ( !support.tbody ) { // string was a , *may* have spurious elem = tag === "table" && !rtbody.test( elem ) ? tmp.firstchild : // string was a bare or wrap[1] === "
" && !rtbody.test( elem ) ? tmp : 0; j = elem && elem.childnodes.length; while ( j-- ) { if ( jquery.nodename( (tbody = elem.childnodes[j]), "tbody" ) && !tbody.childnodes.length ) { elem.removechild( tbody ); } } } jquery.merge( nodes, tmp.childnodes ); // fix #12392 for webkit and ie > 9 tmp.textcontent = ""; // fix #12392 for oldie while ( tmp.firstchild ) { tmp.removechild( tmp.firstchild ); } // remember the top-level container for proper cleanup tmp = safe.lastchild; } } } // fix #11356: clear elements from fragment if ( tmp ) { safe.removechild( tmp ); } // reset defaultchecked for any radios and checkboxes // about to be appended to the dom in ie 6/7 (#8060) if ( !support.appendchecked ) { jquery.grep( getall( nodes, "input" ), fixdefaultchecked ); } i = 0; while ( (elem = nodes[ i++ ]) ) { // #4087 - if origin and destination elements are the same, and this is // that element, do not do anything if ( selection && jquery.inarray( elem, selection ) !== -1 ) { continue; } contains = jquery.contains( elem.ownerdocument, elem ); // append to fragment tmp = getall( safe.appendchild( elem ), "script" ); // preserve script evaluation history if ( contains ) { setglobaleval( tmp ); } // capture executables if ( scripts ) { j = 0; while ( (elem = tmp[ j++ ]) ) { if ( rscripttype.test( elem.type || "" ) ) { scripts.push( elem ); } } } } tmp = null; return safe; }, cleandata: function( elems, /* internal */ acceptdata ) { var elem, type, id, data, i = 0, internalkey = jquery.expando, cache = jquery.cache, deleteexpando = support.deleteexpando, special = jquery.event.special; for ( ; (elem = elems[i]) != null; i++ ) { if ( acceptdata || jquery.acceptdata( elem ) ) { id = elem[ internalkey ]; data = id && cache[ id ]; if ( data ) { if ( data.events ) { for ( type in data.events ) { if ( special[ type ] ) { jquery.event.remove( elem, type ); // this is a shortcut to avoid jquery.event.remove's overhead } else { jquery.removeevent( elem, type, data.handle ); } } } // remove cache only if it was not already removed by jquery.event.remove if ( cache[ id ] ) { delete cache[ id ]; // ie does not allow us to delete expando properties from nodes, // nor does it have a removeattribute function on document nodes; // we must handle all of these cases if ( deleteexpando ) { delete elem[ internalkey ]; } else if ( typeof elem.removeattribute !== strundefined ) { elem.removeattribute( internalkey ); } else { elem[ internalkey ] = null; } deletedids.push( id ); } } } } } }); jquery.fn.extend({ text: function( value ) { return access( this, function( value ) { return value === undefined ? jquery.text( this ) : this.empty().append( ( this[0] && this[0].ownerdocument || document ).createtextnode( value ) ); }, null, value, arguments.length ); }, append: function() { return this.dommanip( arguments, function( elem ) { if ( this.nodetype === 1 || this.nodetype === 11 || this.nodetype === 9 ) { var target = manipulationtarget( this, elem ); target.appendchild( elem ); } }); }, prepend: function() { return this.dommanip( arguments, function( elem ) { if ( this.nodetype === 1 || this.nodetype === 11 || this.nodetype === 9 ) { var target = manipulationtarget( this, elem ); target.insertbefore( elem, target.firstchild ); } }); }, before: function() { return this.dommanip( arguments, function( elem ) { if ( this.parentnode ) { this.parentnode.insertbefore( elem, this ); } }); }, after: function() { return this.dommanip( arguments, function( elem ) { if ( this.parentnode ) { this.parentnode.insertbefore( elem, this.nextsibling ); } }); }, remove: function( selector, keepdata /* internal use only */ ) { var elem, elems = selector ? jquery.filter( selector, this ) : this, i = 0; for ( ; (elem = elems[i]) != null; i++ ) { if ( !keepdata && elem.nodetype === 1 ) { jquery.cleandata( getall( elem ) ); } if ( elem.parentnode ) { if ( keepdata && jquery.contains( elem.ownerdocument, elem ) ) { setglobaleval( getall( elem, "script" ) ); } elem.parentnode.removechild( elem ); } } return this; }, empty: function() { var elem, i = 0; for ( ; (elem = this[i]) != null; i++ ) { // remove element nodes and prevent memory leaks if ( elem.nodetype === 1 ) { jquery.cleandata( getall( elem, false ) ); } // remove any remaining nodes while ( elem.firstchild ) { elem.removechild( elem.firstchild ); } // if this is a select, ensure that it displays empty (#12336) // support: ie<9 if ( elem.options && jquery.nodename( elem, "select" ) ) { elem.options.length = 0; } } return this; }, clone: function( dataandevents, deepdataandevents ) { dataandevents = dataandevents == null ? false : dataandevents; deepdataandevents = deepdataandevents == null ? dataandevents : deepdataandevents; return this.map(function() { return jquery.clone( this, dataandevents, deepdataandevents ); }); }, html: function( value ) { return access( this, function( value ) { var elem = this[ 0 ] || {}, i = 0, l = this.length; if ( value === undefined ) { return elem.nodetype === 1 ? elem.innerhtml.replace( rinlinejquery, "" ) : undefined; } // see if we can take a shortcut and just use innerhtml if ( typeof value === "string" && !rnoinnerhtml.test( value ) && ( support.htmlserialize || !rnoshimcache.test( value ) ) && ( support.leadingwhitespace || !rleadingwhitespace.test( value ) ) && !wrapmap[ (rtagname.exec( value ) || [ "", "" ])[ 1 ].tolowercase() ] ) { value = value.replace( rxhtmltag, "<$1>" ); try { for (; i < l; i++ ) { // remove element nodes and prevent memory leaks elem = this[i] || {}; if ( elem.nodetype === 1 ) { jquery.cleandata( getall( elem, false ) ); elem.innerhtml = value; } } elem = 0; // if using innerhtml throws an exception, use the fallback method } catch(e) {} } if ( elem ) { this.empty().append( value ); } }, null, value, arguments.length ); }, replacewith: function() { var arg = arguments[ 0 ]; // make the changes, replacing each context element with the new content this.dommanip( arguments, function( elem ) { arg = this.parentnode; jquery.cleandata( getall( this ) ); if ( arg ) { arg.replacechild( elem, this ); } }); // force removal if there was no new content (e.g., from empty arguments) return arg && (arg.length || arg.nodetype) ? this : this.remove(); }, detach: function( selector ) { return this.remove( selector, true ); }, dommanip: function( args, callback ) { // flatten any nested arrays args = concat.apply( [], args ); var first, node, hasscripts, scripts, doc, fragment, i = 0, l = this.length, set = this, inoclone = l - 1, value = args[0], isfunction = jquery.isfunction( value ); // we can't clonenode fragments that contain checked, in webkit if ( isfunction || ( l > 1 && typeof value === "string" && !support.checkclone && rchecked.test( value ) ) ) { return this.each(function( index ) { var self = set.eq( index ); if ( isfunction ) { args[0] = value.call( this, index, self.html() ); } self.dommanip( args, callback ); }); } if ( l ) { fragment = jquery.buildfragment( args, this[ 0 ].ownerdocument, false, this ); first = fragment.firstchild; if ( fragment.childnodes.length === 1 ) { fragment = first; } if ( first ) { scripts = jquery.map( getall( fragment, "script" ), disablescript ); hasscripts = scripts.length; // use the original fragment for the last item instead of the first because it can end up // being emptied incorrectly in certain situations (#8070). for ( ; i < l; i++ ) { node = fragment; if ( i !== inoclone ) { node = jquery.clone( node, true, true ); // keep references to cloned scripts for later restoration if ( hasscripts ) { jquery.merge( scripts, getall( node, "script" ) ); } } callback.call( this[i], node, i ); } if ( hasscripts ) { doc = scripts[ scripts.length - 1 ].ownerdocument; // reenable scripts jquery.map( scripts, restorescript ); // evaluate executable scripts on first document insertion for ( i = 0; i < hasscripts; i++ ) { node = scripts[ i ]; if ( rscripttype.test( node.type || "" ) && !jquery._data( node, "globaleval" ) && jquery.contains( doc, node ) ) { if ( node.src ) { // optional ajax dependency, but won't run scripts if not present if ( jquery._evalurl ) { jquery._evalurl( node.src ); } } else { jquery.globaleval( ( node.text || node.textcontent || node.innerhtml || "" ).replace( rcleanscript, "" ) ); } } } } // fix #11809: avoid leaking memory fragment = first = null; } } return this; } }); jquery.each({ appendto: "append", prependto: "prepend", insertbefore: "before", insertafter: "after", replaceall: "replacewith" }, function( name, original ) { jquery.fn[ name ] = function( selector ) { var elems, i = 0, ret = [], insert = jquery( selector ), last = insert.length - 1; for ( ; i <= last; i++ ) { elems = i === last ? this : this.clone(true); jquery( insert[i] )[ original ]( elems ); // modern browsers can apply jquery collections as arrays, but oldie needs a .get() push.apply( ret, elems.get() ); } return this.pushstack( ret ); }; }); var iframe, elemdisplay = {}; /** * retrieve the actual display of a element * @param {string} name nodename of the element * @param {object} doc document object */ // called only from within defaultdisplay function actualdisplay( name, doc ) { var elem = jquery( doc.createelement( name ) ).appendto( doc.body ), // getdefaultcomputedstyle might be reliably used only on attached element display = window.getdefaultcomputedstyle ? // use of this method is a temporary fix (more like optmization) until something better comes along, // since it was removed from specification and supported only in ff window.getdefaultcomputedstyle( elem[ 0 ] ).display : jquery.css( elem[ 0 ], "display" ); // we don't have any data stored on the element, // so use "detach" method as fast way to get rid of the element elem.detach(); return display; } /** * try to determine the default display value of an element * @param {string} nodename */ function defaultdisplay( nodename ) { var doc = document, display = elemdisplay[ nodename ]; if ( !display ) { display = actualdisplay( nodename, doc ); // if the simple way fails, read from inside an iframe if ( display === "none" || !display ) { // use the already-created iframe if possible iframe = (iframe || jquery( "