(function( global, factory ) { if ( typeof module === "object" && typeof module.exports === "object" ) { 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 ) { var arr = []; var document = window.document; var slice = arr.slice; var concat = arr.concat; var push = arr.push; var indexof = arr.indexof; var class2type = {}; var tostring = class2type.tostring; var hasown = class2type.hasownproperty; var support = {}; var version = "", // 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 ); }, // support: android<4.1 // make sure we trim bom and nbsp 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 just the one element from the set ( num < 0 ? this[ num + this.length ] : this[ num ] ) : // return all the elements in a clean array 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. each: function( callback ) { return jquery.each( this, callback ); }, 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(); }, // for internal use only. // behaves like an array's method, not like a jquery method. push: push, sort: arr.sort, splice: arr.splice }; jquery.extend = jquery.fn.extend = function() { var options, name, src, copy, copyisarray, 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() {}, isfunction: function( obj ) { return jquery.type( obj ) === "function"; }, isarray: array.isarray, iswindow: function( obj ) { 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 // adding 1 corrects loss of precision from parsefloat (#15100) var realstringobj = obj && obj.tostring(); return !jquery.isarray( obj ) && ( realstringobj - parsefloat( realstringobj ) + 1 ) >= 0; }, isplainobject: function( obj ) { // not plain objects: // - any object or value whose internal [[class]] property is not "[object object]" // - dom nodes // - window if ( jquery.type( obj ) !== "object" || obj.nodetype || jquery.iswindow( obj ) ) { return false; } if ( obj.constructor && !hasown.call( obj.constructor.prototype, "isprototypeof" ) ) { return false; } // if the function hasn't returned already, we're confident that // |obj| is a plain object, created by {} or constructed with new object return true; }, isemptyobject: function( obj ) { var name; for ( name in obj ) { return false; } return true; }, type: function( obj ) { if ( obj == null ) { return obj + ""; } // support: android<4.0, ios<6 (functionish regexp) return typeof obj === "object" || typeof obj === "function" ? class2type[ tostring.call( obj ) ] || "object" : typeof obj; }, // evaluates a script in a global context globaleval: function( code ) { var script, indirect = eval; code = jquery.trim( code ); if ( code ) { // if the code includes a valid, prologue position // strict mode pragma, execute code by injecting a // script tag into the document. if ( code.indexof( "use strict" ) === 1 ) { script = document.createelement( "script" ); script.text = code; document.head.appendchild( script ).parentnode.removechild( script ); } else { // otherwise, avoid the dom node creation, insertion // and removal by using an indirect global eval indirect( code ); } } }, // convert dashed to camelcase; used by the css and data modules // support: ie9-11+ // 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(); }, each: function( obj, callback ) { var length, i = 0; if ( isarraylike( obj ) ) { length = obj.length; for ( ; i < length; i++ ) { if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { break; } } } else { for ( i in obj ) { if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { break; } } } return obj; }, // support: android<4.1 trim: 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 ) { return arr == null ? -1 : indexof.call( arr, elem, i ); }, merge: function( first, second ) { var len = +second.length, j = 0, i = first.length; for ( ; j < len; j++ ) { 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 length, value, i = 0, ret = []; // go through the array, translating each of the items to their new values if ( isarraylike( elems ) ) { length = elems.length; 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 tmp, args, proxy; 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: date.now, // jquery.support is not used in core but other projects attach their // properties to it so it needs to exist. support: support } ); // jshint would error on this code due to the symbol not being defined in es5. // defining this global in .jshintrc would create a danger of using the global // unguarded in another place, it seems safer to just disable jshint for these // three lines. /* jshint ignore: start */ if ( typeof symbol === "function" ) { jquery.fn[ symbol.iterator ] = arr[ symbol.iterator ]; } /* jshint ignore: end */ // populate the class2type map jquery.each( "boolean number string function array date regexp object error symbol".split( " " ), function( i, name ) { class2type[ "[object " + name + "]" ] = name.tolowercase(); } ); function isarraylike( obj ) { // support: ios 8.2 (not reproducible in simulator) // `in` check used to prevent jit error (gh-2145) // hasown isn't used here due to false negatives // regarding nodelist length in ie var length = !!obj && "length" in obj && obj.length, type = jquery.type( obj ); if ( type === "function" || jquery.iswindow( obj ) ) { return false; } return type === "array" || length === 0 || typeof length === "number" && length > 0 && ( length - 1 ) in obj; } var sizzle = /*! * sizzle css selector engine v2.2.1 * http://sizzlejs.com/ * * copyright jquery foundation and other contributors * released under the mit license * http://jquery.org/license * * date: 2015-10-17 */ (function( window ) { var i, support, expr, gettext, isxml, tokenize, compile, select, outermostcontext, sortinput, hasduplicate, // local document vars setdocument, document, docelem, documentishtml, rbuggyqsa, rbuggymatches, matches, contains, // instance-specific data expando = "sizzle" + 1 * 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 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 as it's faster than native // http://jsperf.com/thor-indexof-vs-for/5 indexof = function( list, elem ) { var i = 0, len = list.length; for ( ; i < len; i++ ) { if ( list[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 // http://www.w3.org/tr/css3-selectors/#whitespace whitespace = "[\\x20\\t\\r\\n\\f]", // http://www.w3.org/tr/css21/syndata.html#value-def-identifier identifier = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+", // attribute selectors: http://www.w3.org/tr/selectors/#attribute-selectors attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + // operator (capture 2) "*([*^$|!~]?=)" + whitespace + // "attribute values must be css identifiers [capture 5] or strings [capture 3 or capture 4]" "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + "*\\]", pseudos = ":(" + identifier + ")(?:\\((" + // to reduce the number of selectors needing tokenize in the prefilter, prefer arguments: // 1. quoted (capture 3; capture 4 or capture 5) "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + // 2. simple (capture 6) "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + // 3. anything else (capture 2) ".*" + ")\\)|)", // leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter rwhitespace = new regexp( whitespace + "+", "g" ), 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( "^#(" + identifier + ")" ), "class": new regexp( "^\\.(" + identifier + ")" ), "tag": new regexp( "^(" + identifier + "|[*])" ), "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<24 // 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 ); }, // used for iframes // see setdocument() // removing the function wrapper causes a "permission denied" // error in ie unloadhandler = function() { setdocument(); }; // 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 m, i, elem, nid, nidselect, match, groups, newselector, newcontext = context && context.ownerdocument, // nodetype defaults to 9, since context defaults to document nodetype = context ? context.nodetype : 9; results = results || []; // return early from calls with invalid selector or context if ( typeof selector !== "string" || !selector || nodetype !== 1 && nodetype !== 9 && nodetype !== 11 ) { return results; } // try to shortcut find operations (as opposed to filters) in html documents if ( !seed ) { if ( ( context ? context.ownerdocument || context : preferreddoc ) !== document ) { setdocument( context ); } context = context || document; if ( documentishtml ) { // if the selector is sufficiently simple, try using a "get*by*" dom method // (excepting documentfragment context, where the methods don't exist) if ( nodetype !== 11 && (match = rquickexpr.exec( selector )) ) { // id selector if ( (m = match[1]) ) { // document context if ( nodetype === 9 ) { if ( (elem = context.getelementbyid( m )) ) { // support: ie, opera, webkit // todo: identify versions // getelementbyid can match elements by name instead of id if ( elem.id === m ) { results.push( elem ); return results; } } else { return results; } // element context } else { // support: ie, opera, webkit // todo: identify versions // getelementbyid can match elements by name instead of id if ( newcontext && (elem = newcontext.getelementbyid( m )) && contains( context, elem ) && elem.id === m ) { results.push( elem ); return results; } } // type selector } else if ( match[2] ) { push.apply( results, context.getelementsbytagname( selector ) ); return results; // class selector } else if ( (m = match[3]) && support.getelementsbyclassname && context.getelementsbyclassname ) { push.apply( results, context.getelementsbyclassname( m ) ); return results; } } // take advantage of queryselectorall if ( support.qsa && !compilercache[ selector + " " ] && (!rbuggyqsa || !rbuggyqsa.test( selector )) ) { if ( nodetype !== 1 ) { newcontext = context; newselector = selector; // qsa looks outside element context, which is not what we want // thanks to andrew dupont for this workaround technique // support: ie <=8 // exclude object elements } else if ( context.nodename.tolowercase() !== "object" ) { // capture the context id, setting it first if necessary if ( (nid = context.getattribute( "id" )) ) { nid = nid.replace( rescape, "\\$&" ); } else { context.setattribute( "id", (nid = expando) ); } // prefix every selector in the list groups = tokenize( selector ); i = groups.length; nidselect = ridentifier.test( nid ) ? "#" + nid : "[id='" + nid + "']"; while ( i-- ) { groups[i] = nidselect + " " + toselector( groups[i] ); } newselector = groups.join( "," ); // expand context for sibling selectors newcontext = rsibling.test( selector ) && testcontext( context.parentnode ) || context; } if ( newselector ) { try { push.apply( results, newcontext.queryselectorall( newselector ) ); return results; } catch ( qsaerror ) { } finally { if ( nid === expando ) { 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 = arr.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 !== "undefined" && 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, parent, doc = node ? node.ownerdocument || node : preferreddoc; // return early if doc is invalid or already selected if ( doc === document || doc.nodetype !== 9 || !doc.documentelement ) { return document; } // update global variables document = doc; docelem = document.documentelement; documentishtml = !isxml( document ); // support: ie 9-11, edge // accessing iframe documents after unload throws "permission denied" errors (jquery #13936) if ( (parent = document.defaultview) && parent.top !== parent ) { // support: ie 11 if ( parent.addeventlistener ) { parent.addeventlistener( "unload", unloadhandler, false ); // support: ie 9 - 10 only } else if ( parent.attachevent ) { parent.attachevent( "onunload", unloadhandler ); } } /* 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( document.createcomment("") ); return !div.getelementsbytagname("*").length; }); // support: ie<9 support.getelementsbyclassname = rnative.test( document.getelementsbyclassname ); // 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 !document.getelementsbyname || !document.getelementsbyname( expando ).length; }); // id find and filter if ( support.getbyid ) { expr.find["id"] = function( id, context ) { if ( typeof context.getelementbyid !== "undefined" && documentishtml ) { var m = context.getelementbyid( id ); return m ? [ 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 !== "undefined" && elem.getattributenode("id"); return node && node.value === attrid; }; }; } // tag expr.find["tag"] = support.getelementsbytagname ? function( tag, context ) { if ( typeof context.getelementsbytagname !== "undefined" ) { return context.getelementsbytagname( tag ); // documentfragment nodes don't have gebtn } else if ( support.qsa ) { return context.queryselectorall( tag ); } } : function( tag, context ) { var elem, tmp = [], i = 0, // by happy coincidence, a (broken) gebtn appears on documentfragment nodes too 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 !== "undefined" && 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( document.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 docelem.appendchild( div ).innerhtml = "" + ""; // support: ie8, opera 11-12.16 // nothing should be selected when empty strings follow ^= or $= or *= // the test attribute must be unknown in opera but "safe" for winrt // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section if ( div.queryselectorall("[msallowcapture^='']").length ) { rbuggyqsa.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); } // support: ie8 // boolean attributes and "value" are not treated correctly if ( !div.queryselectorall("[selected]").length ) { rbuggyqsa.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); } // support: chrome<29, android<4.4, safari<7.0+, ios<7.0+, phantomjs<1.9.8+ if ( !div.queryselectorall( "[id~=" + expando + "-]" ).length ) { rbuggyqsa.push("~="); } // 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"); } // support: safari 8+, ios 8+ // https://bugs.webkit.org/show_bug.cgi?id=136851 // in-page `selector#id sibing-combinator selector` fails if ( !div.queryselectorall( "a#" + expando + "+*" ).length ) { rbuggyqsa.push(".#.+[+~]"); } }); assert(function( div ) { // support: windows 8 native apps // the type and name attributes are restricted during .innerhtml assignment var input = document.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.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 self-exclusive // 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 === document || a.ownerdocument === preferreddoc && contains(preferreddoc, a) ) { return -1; } if ( b === document || b.ownerdocument === preferreddoc && contains(preferreddoc, b) ) { return 1; } // maintain original order return sortinput ? ( indexof( sortinput, a ) - indexof( 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 === document ? -1 : b === document ? 1 : aup ? -1 : bup ? 1 : sortinput ? ( indexof( sortinput, a ) - indexof( 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 document; }; 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 && !compilercache[ expr + " " ] && ( !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[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[6] && match[2]; if ( matchexpr["child"].test( match[0] ) ) { return null; } // accept quoted arguments as-is if ( match[3] ) { match[2] = match[4] || match[5] || ""; // 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 !== "undefined" && 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.replace( rwhitespace, " " ) + " " ).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, uniquecache, outercache, node, nodeindex, start, dir = simple !== forward ? "nextsibling" : "previoussibling", parent = elem.parentnode, name = oftype && elem.nodename.tolowercase(), usecache = !xml && !oftype, diff = false; 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 // ...in a gzip-friendly way node = parent; outercache = node[ expando ] || (node[ expando ] = {}); // support: ie <9 only // defend against cloned attroperties (jquery gh-1709) uniquecache = outercache[ node.uniqueid ] || (outercache[ node.uniqueid ] = {}); cache = uniquecache[ type ] || []; nodeindex = cache[ 0 ] === dirruns && cache[ 1 ]; diff = nodeindex && 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 ) { uniquecache[ type ] = [ dirruns, nodeindex, diff ]; break; } } } else { // use previously-cached element index if available if ( usecache ) { // ...in a gzip-friendly way node = elem; outercache = node[ expando ] || (node[ expando ] = {}); // support: ie <9 only // defend against cloned attroperties (jquery gh-1709) uniquecache = outercache[ node.uniqueid ] || (outercache[ node.uniqueid ] = {}); cache = uniquecache[ type ] || []; nodeindex = cache[ 0 ] === dirruns && cache[ 1 ]; diff = nodeindex; } // xml :nth-child(...) // or :nth-last-child(...) or :nth(-last)?-of-type(...) if ( diff === false ) { // 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 ) { outercache = node[ expando ] || (node[ expando ] = {}); // support: ie <9 only // defend against cloned attroperties (jquery gh-1709) uniquecache = outercache[ node.uniqueid ] || (outercache[ node.uniqueid ] = {}); uniquecache[ 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( 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 ); // don't keep the element (issue #299) input[0] = null; return !results.pop(); }; }), "has": markfunction(function( selector ) { return function( elem ) { return sizzle( selector, elem ).length > 0; }; }), "contains": markfunction(function( text ) { text = text.replace( runescape, funescape ); 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(); tokenize = sizzle.tokenize = function( 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, uniquecache, outercache, newcache = [ dirruns, donename ]; // we can't set arbitrary data on xml nodes, so they don't benefit from combinator 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 ] = {}); // support: ie <9 only // defend against cloned attroperties (jquery gh-1709) uniquecache = outercache[ elem.uniqueid ] || (outercache[ elem.uniqueid ] = {}); if ( (oldcache = uniquecache[ 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 uniquecache[ 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 multiplecontexts( selector, contexts, results ) { var i = 0, len = contexts.length; for ( ; i < len; i++ ) { sizzle( selector, contexts[i], results ); } return results; } 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( 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( checkcontext, elem ) > -1; }, implicitrelative, true ), matchers = [ function( elem, context, xml ) { var ret = ( !leadingrelative && ( xml || context !== outermostcontext ) ) || ( (checkcontext = context).nodetype ? matchcontext( elem, context, xml ) : matchanycontext( elem, context, xml ) ); // avoid hanging onto element (issue #299) checkcontext = null; return ret; } ]; 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 || outermost; } // add elements passing elementmatchers directly to results // 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; if ( !context && elem.ownerdocument !== document ) { setdocument( elem ); xml = !documentishtml; } while ( (matcher = elementmatchers[j++]) ) { if ( matcher( elem, context || document, 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 ); } } } // `i` is now the count of elements visited above, and adding it to `matchedcount` // makes the latter nonnegative. matchedcount += i; // apply set filters to unmatched elements // note: this can be skipped if there are no unmatched elements (i.e., `matchedcount` // equals `i`), unless we didn't visit _any_ elements in the above loop because we have // no element matchers and no seed. // incrementing an initially-string "0" `i` allows `i` to remain a string only in that // case, which will result in a "00" `matchedcount` that differs from `i` but is also // numerically zero. 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, match /* 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 ( !match ) { match = tokenize( selector ); } i = match.length; while ( i-- ) { cached = matcherfromtokens( match[i] ); if ( cached[ expando ] ) { setmatchers.push( cached ); } else { elementmatchers.push( cached ); } } // cache the compiled function cached = compilercache( selector, matcherfromgroupmatchers( elementmatchers, setmatchers ) ); // save selector and tokenization cached.selector = selector; } return cached; }; /** * a low-level selection function that works with sizzle's compiled * selector functions * @param {string|function} selector a selector or a pre-compiled * selector function built with sizzle.compile * @param {element} context * @param {array} [results] * @param {array} [seed] a set of elements to match against */ select = sizzle.select = function( selector, context, results, seed ) { var i, tokens, token, type, find, compiled = typeof selector === "function" && selector, match = !seed && tokenize( (selector = compiled.selector || selector) ); results = results || []; // try to minimize operations if there is only one selector in the list and no seed // (the latter of which guarantees us context) if ( match.length === 1 ) { // reduce context if the leading compound 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; // precompiled matchers will still verify ancestry, so step up a level } else if ( compiled ) { context = context.parentnode; } 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 if one is not provided // provide `match` to avoid retokenization if we modified the selector above ( compiled || compile( selector, match ) )( seed, context, !documentishtml, results, !context || rsibling.test( selector ) && testcontext( context.parentnode ) || context ); return results; }; // one-time assignments // sort stability support.sortstable = expando.split("").sort( sortorder ).join("") === expando; // support: chrome 14-35+ // 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.uniquesort = jquery.unique = sizzle.uniquesort; jquery.text = sizzle.gettext; jquery.isxmldoc = sizzle.isxml; jquery.contains = sizzle.contains; var dir = function( elem, dir, until ) { var matched = [], truncate = until !== undefined; while ( ( elem = elem[ dir ] ) && elem.nodetype !== 9 ) { if ( elem.nodetype === 1 ) { if ( truncate && jquery( elem ).is( until ) ) { break; } matched.push( elem ); } } return matched; }; var siblings = function( n, elem ) { var matched = []; for ( ; n; n = n.nextsibling ) { if ( n.nodetype === 1 && n !== elem ) { matched.push( n ); } } return matched; }; 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 ( indexof.call( qualifier, elem ) > -1 ) !== 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, len = this.length, ret = [], self = this; 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 $("p:first").is("p:last") won't return true for a doc with two "p". typeof selector === "string" && rneedscontext.test( selector ) ? jquery( selector ) : selector || [], false ).length; } } ); // initialize a jquery object // a central reference to the root jquery(document) var rootjquery, // a simple way to check for html strings // prioritize #id over to avoid xss via location.hash (#9521) // strict html recognition (#11290: must start with <) rquickexpr = /^(?:\s*(<[\w\w]+>)[^>]*|#([\w-]*))$/, init = jquery.fn.init = function( selector, context, root ) { var match, elem; // handle: $(""), $(null), $(undefined), $(false) if ( !selector ) { return this; } // method init() accepts an alternate rootjquery // so migrate can support jquery.sub (gh-2101) root = root || rootjquery; // handle html strings if ( typeof selector === "string" ) { if ( selector[ 0 ] === "<" && selector[ 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; // option to run 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 ] ); // support: blackberry 4.6 // gebid returns nodes no longer in the document (#6963) if ( elem && elem.parentnode ) { // 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 || root ).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 root.ready !== undefined ? root.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.fn.extend( { has: function( target ) { var targets = jquery( target, this ), l = targets.length; return this.filter( function() { var i = 0; for ( ; i < l; 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.uniquesort( matched ) : matched ); }, // determine the position of an element within the set 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 indexof.call( jquery( elem ), this[ 0 ] ); } // locate the position of the desired element return indexof.call( this, // if it receives a jquery object, the first element is used elem.jquery ? elem[ 0 ] : elem ); }, add: function( selector, context ) { return this.pushstack( jquery.uniquesort( 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 ) { while ( ( cur = cur[ dir ] ) && 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 dir( elem, "parentnode" ); }, parentsuntil: function( elem, i, until ) { return dir( elem, "parentnode", until ); }, next: function( elem ) { return sibling( elem, "nextsibling" ); }, prev: function( elem ) { return sibling( elem, "previoussibling" ); }, nextall: function( elem ) { return dir( elem, "nextsibling" ); }, prevall: function( elem ) { return dir( elem, "previoussibling" ); }, nextuntil: function( elem, i, until ) { return dir( elem, "nextsibling", until ); }, prevuntil: function( elem, i, until ) { return dir( elem, "previoussibling", until ); }, siblings: function( elem ) { return siblings( ( elem.parentnode || {} ).firstchild, elem ); }, children: function( elem ) { return siblings( elem.firstchild ); }, contents: function( elem ) { return elem.contentdocument || jquery.merge( [], elem.childnodes ); } }, function( name, fn ) { jquery.fn[ name ] = function( until, selector ) { var matched = jquery.map( this, fn, until ); if ( name.slice( -5 ) !== "until" ) { selector = until; } if ( selector && typeof selector === "string" ) { matched = jquery.filter( selector, matched ); } if ( this.length > 1 ) { // remove duplicates if ( !guaranteedunique[ name ] ) { jquery.uniquesort( matched ); } // reverse order for parents* and prev-derivatives if ( rparentsprev.test( name ) ) { matched.reverse(); } } return this.pushstack( matched ); }; } ); var rnotwhite = ( /\s+/g ); // convert string-formatted options into object-formatted ones function createoptions( options ) { var object = {}; 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" ? 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, // flag to prevent firing locked, // actual callback list list = [], // queue of execution data for repeatable lists queue = [], // index of currently firing callback (modified by add/remove as needed) firingindex = -1, // fire callbacks fire = function() { // enforce single-firing locked = options.once; // execute callbacks for all pending executions, // respecting firingindex overrides and runtime changes fired = firing = true; for ( ; queue.length; firingindex = -1 ) { memory = queue.shift(); while ( ++firingindex < list.length ) { // run callback and check for early termination if ( list[ firingindex ].apply( memory[ 0 ], memory[ 1 ] ) === false && options.stoponfalse ) { // jump to end and forget the data so .add doesn't re-fire firingindex = list.length; memory = false; } } } // forget the data if we're done with it if ( !options.memory ) { memory = false; } firing = false; // clean up if we're done firing for good if ( locked ) { // keep an empty list if we have data for future add calls if ( memory ) { list = []; // otherwise, this object is spent } else { list = ""; } } }, // actual callbacks object self = { // add a callback or a collection of callbacks to the list add: function() { if ( list ) { // if we have memory from a past run, we should fire after adding if ( memory && !firing ) { firingindex = list.length - 1; queue.push( memory ); } ( function add( args ) { jquery.each( args, function( _, arg ) { if ( jquery.isfunction( arg ) ) { if ( !options.unique || !self.has( arg ) ) { list.push( arg ); } } else if ( arg && arg.length && jquery.type( arg ) !== "string" ) { // inspect recursively add( arg ); } } ); } )( arguments ); if ( memory && !firing ) { fire(); } } return this; }, // remove a callback from the list remove: function() { jquery.each( arguments, function( _, arg ) { var index; while ( ( index = jquery.inarray( arg, list, index ) ) > -1 ) { list.splice( index, 1 ); // handle firing indexes 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.length > 0; }, // remove all callbacks from the list empty: function() { if ( list ) { list = []; } return this; }, // disable .fire and .add // abort any current/pending executions // clear all callbacks and values disable: function() { locked = queue = []; list = memory = ""; return this; }, disabled: function() { return !list; }, // disable .fire // also disable .add unless we have memory (since it would have no effect) // abort any pending executions lock: function() { locked = queue = []; if ( !memory ) { list = memory = ""; } return this; }, locked: function() { return !!locked; }, // call all callbacks with the given context and arguments firewith: function( context, args ) { if ( !locked ) { args = args || []; args = [ context, args.slice ? args.slice() : args ]; queue.push( args ); if ( !firing ) { fire(); } } 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() .progress( newdefer.notify ) .done( newdefer.resolve ) .fail( newdefer.reject ); } 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() .progress( updatefunc( i, progresscontexts, progressvalues ) ) .done( updatefunc( i, resolvecontexts, resolvevalues ) ) .fail( deferred.reject ); } 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; } // 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.triggerhandler ) { jquery( document ).triggerhandler( "ready" ); jquery( document ).off( "ready" ); } } } ); /** * the ready event handler and self cleanup method */ function completed() { document.removeeventlistener( "domcontentloaded", completed ); window.removeeventlistener( "load", completed ); 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. // support: ie9-10 only // older ie sometimes signals "interactive" too soon if ( document.readystate === "complete" || ( document.readystate !== "loading" && !document.documentelement.doscroll ) ) { // handle it asynchronously to allow scripts the opportunity to delay ready window.settimeout( jquery.ready ); } else { // use the handy event callback document.addeventlistener( "domcontentloaded", completed ); // a fallback to window.onload, that will always work window.addeventlistener( "load", completed ); } } return readylist.promise( obj ); }; // kick off the dom ready check even if the user does not jquery.ready.promise(); // multifunctional method to get and set values of a collection // the value/s can optionally be executed if it's a function var access = function( elems, fn, key, value, chainable, emptyget, raw ) { var i = 0, len = elems.length, bulk = key == null; // sets many values if ( jquery.type( key ) === "object" ) { chainable = true; for ( i in key ) { 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 < len; i++ ) { fn( elems[ i ], key, raw ? value : value.call( elems[ i ], i, fn( elems[ i ], key ) ) ); } } } return chainable ? elems : // gets bulk ? fn.call( elems ) : len ? fn( elems[ 0 ], key ) : emptyget; }; var acceptdata = function( owner ) { // accepts only: // - node // - node.element_node // - node.document_node // - object // - any /* jshint -w018 */ return owner.nodetype === 1 || owner.nodetype === 9 || !( +owner.nodetype ); }; function data() { this.expando = jquery.expando + data.uid++; } data.uid = 1; data.prototype = { register: function( owner, initial ) { var value = initial || {}; // if it is a node unlikely to be stringify-ed or looped over // use plain assignment if ( owner.nodetype ) { owner[ this.expando ] = value; // otherwise secure it in a non-enumerable, non-writable property // configurability must be true to allow the property to be // deleted with the delete operator } else { object.defineproperty( owner, this.expando, { value: value, writable: true, configurable: true } ); } return owner[ this.expando ]; }, cache: function( owner ) { // we can accept data for non-element nodes in modern browsers, // but we should not, see #8335. // always return an empty object. if ( !acceptdata( owner ) ) { return {}; } // check if the owner object already has a cache var value = owner[ this.expando ]; // if not, create one if ( !value ) { value = {}; // we can accept data for non-element nodes in modern browsers, // but we should not, see #8335. // always return an empty object. if ( acceptdata( owner ) ) { // if it is a node unlikely to be stringify-ed or looped over // use plain assignment if ( owner.nodetype ) { owner[ this.expando ] = value; // otherwise secure it in a non-enumerable property // configurable must be true to allow the property to be // deleted when data is removed } else { object.defineproperty( owner, this.expando, { value: value, configurable: true } ); } } } return value; }, set: function( owner, data, value ) { var prop, cache = this.cache( owner ); // handle: [ owner, key, value ] args if ( typeof data === "string" ) { cache[ data ] = value; // handle: [ owner, { properties } ] args } else { // copy the properties one-by-one to the cache object for ( prop in data ) { cache[ prop ] = data[ prop ]; } } return cache; }, get: function( owner, key ) { return key === undefined ? this.cache( owner ) : owner[ this.expando ] && owner[ this.expando ][ key ]; }, access: function( owner, key, value ) { var stored; // in cases where either: // // 1. no key was specified // 2. a string key was specified, but no value provided // // take the "read" path and allow the get method to determine // which value to return, respectively either: // // 1. the entire cache object // 2. the data stored at the key // if ( key === undefined || ( ( key && typeof key === "string" ) && value === undefined ) ) { stored = this.get( owner, key ); return stored !== undefined ? stored : this.get( owner, jquery.camelcase( key ) ); } // when the key is not a string, or both a key and value // are specified, set or extend (existing objects) with either: // // 1. an object of properties // 2. a key and value // this.set( owner, key, value ); // since the "set" path can have two possible entry points // return the expected data based on which path was taken[*] return value !== undefined ? value : key; }, remove: function( owner, key ) { var i, name, camel, cache = owner[ this.expando ]; if ( cache === undefined ) { return; } if ( key === undefined ) { this.register( owner ); } else { // support array or space separated string of keys if ( jquery.isarray( key ) ) { // 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 = key.concat( key.map( jquery.camelcase ) ); } else { camel = jquery.camelcase( key ); // try the string as a key before any manipulation if ( key in cache ) { name = [ key, camel ]; } else { // if a key with the spaces exists, use it. // otherwise, create an array by matching non-whitespace name = camel; name = name in cache ? [ name ] : ( name.match( rnotwhite ) || [] ); } } i = name.length; while ( i-- ) { delete cache[ name[ i ] ]; } } // remove the expando if there's no more data if ( key === undefined || jquery.isemptyobject( cache ) ) { // support: chrome <= 35-45+ // webkit & blink performance suffers when deleting properties // from dom nodes, so set to undefined instead // https://code.google.com/p/chromium/issues/detail?id=378607 if ( owner.nodetype ) { owner[ this.expando ] = undefined; } else { delete owner[ this.expando ]; } } }, hasdata: function( owner ) { var cache = owner[ this.expando ]; return cache !== undefined && !jquery.isemptyobject( cache ); } }; var datapriv = new data(); var datauser = new data(); // implementation summary // // 1. enforce api surface and semantic compatibility with 1.9.x branch // 2. improve the module's maintainability by reducing the storage // paths to a single mechanism. // 3. use the same single mechanism to support "private" and "user" data. // 4. _never_ expose "private" data to user code (todo: drop _data, _removedata) // 5. avoid exposing implementation details on user objects (eg. expando properties) // 6. provide a clear path for implementation upgrade to weakmap in 2014 var rbrace = /^(?:\{[\w\w]*\}|\[[\w\w]*\])$/, rmultidash = /[a-z]/g; function dataattr( elem, key, data ) { var name; // if nothing was found internally, try to fetch any // data from the html5 data-* attribute if ( data === undefined && elem.nodetype === 1 ) { name = "data-" + key.replace( rmultidash, "-$&" ).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 datauser.set( elem, key, data ); } else { data = undefined; } } return data; } jquery.extend( { hasdata: function( elem ) { return datauser.hasdata( elem ) || datapriv.hasdata( elem ); }, data: function( elem, name, data ) { return datauser.access( elem, name, data ); }, removedata: function( elem, name ) { datauser.remove( elem, name ); }, // todo: now that all calls to _data and _removedata have been replaced // with direct calls to datapriv methods, these can be deprecated. _data: function( elem, name, data ) { return datapriv.access( elem, name, data ); }, _removedata: function( elem, name ) { datapriv.remove( elem, name ); } } ); jquery.fn.extend( { data: function( key, value ) { var i, name, data, elem = this[ 0 ], attrs = elem && elem.attributes; // gets all values if ( key === undefined ) { if ( this.length ) { data = datauser.get( elem ); if ( elem.nodetype === 1 && !datapriv.get( elem, "hasdataattrs" ) ) { i = attrs.length; while ( i-- ) { // support: ie11+ // the attrs elements can be null (#14894) if ( attrs[ i ] ) { name = attrs[ i ].name; if ( name.indexof( "data-" ) === 0 ) { name = jquery.camelcase( name.slice( 5 ) ); dataattr( elem, name, data[ name ] ); } } } datapriv.set( elem, "hasdataattrs", true ); } } return data; } // sets multiple values if ( typeof key === "object" ) { return this.each( function() { datauser.set( this, key ); } ); } return access( this, function( value ) { var data, camelkey; // the calling jquery object (element matches) is not empty // (and therefore has an element appears at this[ 0 ]) and the // `value` parameter was not undefined. an empty jquery object // will result in `undefined` for elem = this[ 0 ] which will // throw an exception if an attempt to read a data cache is made. if ( elem && value === undefined ) { // attempt to get data from the cache // with the key as-is data = datauser.get( elem, key ) || // try to find dashed key if it exists (gh-2779) // this is for 2.2.x only datauser.get( elem, key.replace( rmultidash, "-$&" ).tolowercase() ); if ( data !== undefined ) { return data; } camelkey = jquery.camelcase( key ); // attempt to get data from the cache // with the key camelized data = datauser.get( elem, camelkey ); if ( data !== undefined ) { return data; } // attempt to "discover" the data in // html5 custom data-* attrs data = dataattr( elem, camelkey, undefined ); if ( data !== undefined ) { return data; } // we tried really hard, but the data doesn't exist. return; } // set the data... camelkey = jquery.camelcase( key ); this.each( function() { // first, attempt to store a copy or reference of any // data that might've been store with a camelcased key. var data = datauser.get( this, camelkey ); // for html5 data-* attribute interop, we have to // store property names with dashes in a camelcase form. // this might not apply to all properties...* datauser.set( this, camelkey, value ); // *... in the case of properties that might _actually_ // have dashes, we need to also store a copy of that // unchanged property. if ( key.indexof( "-" ) > -1 && data !== undefined ) { datauser.set( this, key, value ); } } ); }, null, value, arguments.length > 1, null, true ); }, removedata: function( key ) { return this.each( function() { datauser.remove( this, key ); } ); } } ); jquery.extend( { queue: function( elem, type, data ) { var queue; if ( elem ) { type = ( type || "fx" ) + "queue"; queue = datapriv.get( elem, type ); // speed up dequeue by getting out quickly if this is just a lookup if ( data ) { if ( !queue || jquery.isarray( data ) ) { queue = datapriv.access( 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 public - generate a queuehooks object, or return the current one _queuehooks: function( elem, type ) { var key = type + "queuehooks"; return datapriv.get( elem, key ) || datapriv.access( elem, key, { empty: jquery.callbacks( "once memory" ).add( function() { datapriv.remove( elem, [ type + "queue", 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 = datapriv.get( 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 rcssnum = new regexp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ); 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 ); }; function adjustcss( elem, prop, valueparts, tween ) { var adjusted, scale = 1, maxiterations = 20, currentvalue = tween ? function() { return tween.cur(); } : function() { return jquery.css( elem, prop, "" ); }, initial = currentvalue(), unit = valueparts && valueparts[ 3 ] || ( jquery.cssnumber[ prop ] ? "" : "px" ), // starting value computation is required for potential unit mismatches initialinunit = ( jquery.cssnumber[ prop ] || unit !== "px" && +initial ) && rcssnum.exec( jquery.css( elem, prop ) ); if ( initialinunit && initialinunit[ 3 ] !== unit ) { // trust units reported by jquery.css unit = unit || initialinunit[ 3 ]; // make sure we update the tween properties later on valueparts = valueparts || []; // iteratively approximate from a nonzero starting point initialinunit = +initial || 1; do { // if previous iteration zeroed out, double until we get *something*. // use string for doubling so we don't accidentally see scale as unchanged below scale = scale || ".5"; // adjust and apply initialinunit = initialinunit / scale; jquery.style( elem, prop, initialinunit + unit ); // update scale, tolerating zero or nan from tween.cur() // break the loop if scale is unchanged or perfect, or if we've just had enough. } while ( scale !== ( scale = currentvalue() / initial ) && scale !== 1 && --maxiterations ); } if ( valueparts ) { initialinunit = +initialinunit || +initial || 0; // apply relative offset (+=/-=) if specified adjusted = valueparts[ 1 ] ? initialinunit + ( valueparts[ 1 ] + 1 ) * valueparts[ 2 ] : +valueparts[ 2 ]; if ( tween ) { tween.unit = unit; tween.start = initialinunit; tween.end = adjusted; } } return adjusted; } var rcheckabletype = ( /^(?:checkbox|radio)$/i ); var rtagname = ( /<([\w:-]+)/ ); var rscripttype = ( /^$|\/(?:java|ecma)script/i ); // we have to close these tags to support xhtml (#13200) var wrapmap = { // support: ie9 option: [ 1, "" ], // xhtml parsers do not magically insert elements in the // same way that tag soup parsers do. so we cannot shorten // this by omitting or other required elements. thead: [ 1, "", "
" ], col: [ 2, "", "
" ], tr: [ 2, "", "
" ], td: [ 3, "", "
" ], _default: [ 0, "", "" ] }; // support: ie9 wrapmap.optgroup = wrapmap.option; wrapmap.tbody = wrapmap.tfoot = wrapmap.colgroup = wrapmap.caption = wrapmap.thead; wrapmap.th = wrapmap.td; function getall( context, tag ) { // support: ie9-11+ // use typeof to avoid zero-argument method invocation on host objects (#15151) var ret = typeof context.getelementsbytagname !== "undefined" ? context.getelementsbytagname( tag || "*" ) : typeof context.queryselectorall !== "undefined" ? context.queryselectorall( tag || "*" ) : []; return tag === undefined || tag && jquery.nodename( context, tag ) ? jquery.merge( [ context ], ret ) : ret; } // mark scripts as having already been evaluated function setglobaleval( elems, refelements ) { var i = 0, l = elems.length; for ( ; i < l; i++ ) { datapriv.set( elems[ i ], "globaleval", !refelements || datapriv.get( refelements[ i ], "globaleval" ) ); } } var rhtml = /<|&#?\w+;/; function buildfragment( elems, context, scripts, selection, ignored ) { var elem, tmp, tag, wrap, contains, j, fragment = context.createdocumentfragment(), nodes = [], i = 0, l = elems.length; for ( ; i < l; i++ ) { elem = elems[ i ]; if ( elem || elem === 0 ) { // add nodes directly if ( jquery.type( elem ) === "object" ) { // support: android<4.1, phantomjs<2 // push.apply(_, arraylike) throws on ancient webkit 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 || fragment.appendchild( context.createelement( "div" ) ); // deserialize a standard representation tag = ( rtagname.exec( elem ) || [ "", "" ] )[ 1 ].tolowercase(); wrap = wrapmap[ tag ] || wrapmap._default; tmp.innerhtml = wrap[ 1 ] + jquery.htmlprefilter( elem ) + wrap[ 2 ]; // descend through wrappers to the right content j = wrap[ 0 ]; while ( j-- ) { tmp = tmp.lastchild; } // support: android<4.1, phantomjs<2 // push.apply(_, arraylike) throws on ancient webkit jquery.merge( nodes, tmp.childnodes ); // remember the top-level container tmp = fragment.firstchild; // ensure the created nodes are orphaned (#12392) tmp.textcontent = ""; } } } // remove wrapper from fragment fragment.textcontent = ""; i = 0; while ( ( elem = nodes[ i++ ] ) ) { // skip elements already in the context collection (trac-4087) if ( selection && jquery.inarray( elem, selection ) > -1 ) { if ( ignored ) { ignored.push( elem ); } continue; } contains = jquery.contains( elem.ownerdocument, elem ); // append to fragment tmp = getall( fragment.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 ); } } } } return fragment; } ( function() { var fragment = document.createdocumentfragment(), div = fragment.appendchild( document.createelement( "div" ) ), input = document.createelement( "input" ); // support: android 4.0-4.3, safari<=5.1 // check state lost if the name is set (#11217) // support: windows web apps (wwa) // `name` and `type` must use .setattribute for wwa (#14901) input.setattribute( "type", "radio" ); input.setattribute( "checked", "checked" ); input.setattribute( "name", "t" ); div.appendchild( input ); // support: safari<=5.1, android<4.2 // older webkit doesn't clone checked state correctly in fragments support.checkclone = div.clonenode( true ).clonenode( true ).lastchild.checked; // support: ie<=11+ // make sure textarea (and checkbox) defaultvalue is properly cloned div.innerhtml = ""; support.noclonechecked = !!div.clonenode( true ).lastchild.defaultvalue; } )(); var rkeyevent = /^key/, rmouseevent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/, rtypenamespace = /^([^.]*)(?:\.(.+)|)/; function returntrue() { return true; } function returnfalse() { return false; } // support: ie9 // see #13393 for more info function safeactiveelement() { try { return document.activeelement; } catch ( err ) { } } function on( elem, types, selector, data, fn, one ) { var origfn, type; // 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 ) { on( elem, type, selector, data, types[ type ], one ); } return elem; } 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 elem.each( function() { jquery.event.add( this, types, fn, data, selector ); } ); } /* * 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 handleobjin, eventhandle, tmp, events, t, handleobj, special, handlers, type, namespaces, origtype, elemdata = datapriv.get( 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 !== "undefined" && jquery.event.triggered !== e.type ? jquery.event.dispatch.apply( elem, arguments ) : undefined; }; } // 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 if the special events handler returns false if ( !special.setup || special.setup.call( elem, data, namespaces, eventhandle ) === false ) { if ( elem.addeventlistener ) { elem.addeventlistener( 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; } }, // detach an event or set of events from an element remove: function( elem, types, handler, selector, mappedtypes ) { var j, origcount, tmp, events, t, handleobj, special, handlers, type, namespaces, origtype, elemdata = datapriv.hasdata( elem ) && datapriv.get( 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 data and the expando if it's no longer used if ( jquery.isemptyobject( events ) ) { datapriv.remove( elem, "handle events" ); } }, dispatch: function( event ) { // make a writable jquery.event from the native event object event = jquery.event.fix( event ); var i, j, ret, matched, handleobj, handlerqueue = [], args = slice.call( arguments ), handlers = ( datapriv.get( 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.rnamespace || event.rnamespace.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 i, matches, sel, handleobj, handlerqueue = [], delegatecount = handlers.delegatecount, cur = event.target; // support (at least): chrome, ie9 // find delegate handlers // black-hole svg instance trees (#13180) // // support: firefox<=42+ // avoid non-left-click in ff but don't block ie radio events (#3861, gh-2343) if ( delegatecount && cur.nodetype && ( event.type !== "click" || isnan( event.button ) || event.button < 1 ) ) { for ( ; cur !== this; cur = cur.parentnode || this ) { // 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 ) > -1 : 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; }, // includes some event props shared by keyevent and mouseevent props: ( "altkey bubbles cancelable ctrlkey currenttarget detail 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 offsetx offsety pagex pagey " + "screenx screeny toelement" ).split( " " ), filter: function( event, original ) { var eventdoc, doc, body, button = original.button; // 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 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; } }, 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: cordova 2.5 (webkit) (#13255) // all events should have a target; cordova deviceready doesn't if ( !event.target ) { event.target = document; } // support: safari 6.0+, chrome<28 // target should not be a text node (#504, #13143) if ( event.target.nodetype === 3 ) { event.target = event.target.parentnode; } return fixhook.filter ? fixhook.filter( event, originalevent ) : 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 ) { this.focus(); return false; } }, 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 ( this.type === "checkbox" && this.click && jquery.nodename( this, "input" ) ) { 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 ) { // support: firefox 20+ // firefox doesn't alert if the returnvalue field is not set. if ( event.result !== undefined && event.originalevent ) { event.originalevent.returnvalue = event.result; } } } } }; jquery.removeevent = function( elem, type, handle ) { // this "if" is needed for plain objects if ( elem.removeeventlistener ) { elem.removeeventlistener( type, 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: android<4.0 src.returnvalue === false ? 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 = { constructor: jquery.event, isdefaultprevented: returnfalse, ispropagationstopped: returnfalse, isimmediatepropagationstopped: returnfalse, preventdefault: function() { var e = this.originalevent; this.isdefaultprevented = returntrue; if ( e ) { e.preventdefault(); } }, stoppropagation: function() { var e = this.originalevent; this.ispropagationstopped = returntrue; if ( e ) { e.stoppropagation(); } }, stopimmediatepropagation: function() { var e = this.originalevent; this.isimmediatepropagationstopped = returntrue; if ( e ) { e.stopimmediatepropagation(); } this.stoppropagation(); } }; // create mouseenter/leave events using mouseover/out and event-time checks // so that event delegation works in jquery. // do the same for pointerenter/pointerleave and pointerover/pointerout // // support: safari 7 only // safari sends mouseenter too often; see: // https://code.google.com/p/chromium/issues/detail?id=470258 // for the description of the bug (it existed in older chrome versions as well). jquery.each( { mouseenter: "mouseover", mouseleave: "mouseout", pointerenter: "pointerover", pointerleave: "pointerout" }, 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 mouseenter/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; } }; } ); jquery.fn.extend( { on: function( types, selector, data, fn ) { return on( this, types, selector, data, fn ); }, one: function( types, selector, data, fn ) { return on( this, 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 ); } ); } } ); var rxhtmltag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:-]+)[^>]*)\/>/gi, // support: ie 10-11, edge 10240+ // in ie/edge using regex groups here causes severe slowdowns. // see https://connect.microsoft.com/ie/feedback/details/1736512/ rnoinnerhtml = /\s*$/g; function manipulationtarget( elem, content ) { if ( jquery.nodename( elem, "table" ) && jquery.nodename( content.nodetype !== 11 ? content : content.firstchild, "tr" ) ) { return elem.getelementsbytagname( "tbody" )[ 0 ] || elem; } return elem; } // replace/restore the type attribute of script elements for safe dom manipulation function disablescript( elem ) { elem.type = ( elem.getattribute( "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; } function clonecopyevent( src, dest ) { var i, l, type, pdataold, pdatacur, udataold, udatacur, events; if ( dest.nodetype !== 1 ) { return; } // 1. copy private data: events, handlers, etc. if ( datapriv.hasdata( src ) ) { pdataold = datapriv.access( src ); pdatacur = datapriv.set( dest, pdataold ); events = pdataold.events; if ( events ) { delete pdatacur.handle; pdatacur.events = {}; for ( type in events ) { for ( i = 0, l = events[ type ].length; i < l; i++ ) { jquery.event.add( dest, type, events[ type ][ i ] ); } } } } // 2. copy user data if ( datauser.hasdata( src ) ) { udataold = datauser.access( src ); udatacur = jquery.extend( {}, udataold ); datauser.set( dest, udatacur ); } } // fix ie bugs, see support tests function fixinput( src, dest ) { var nodename = dest.nodename.tolowercase(); // fails to persist the checked state of a cloned checkbox or radio button. if ( nodename === "input" && rcheckabletype.test( src.type ) ) { dest.checked = src.checked; // fails to return the selected option to the default selected state when cloning options } else if ( nodename === "input" || nodename === "textarea" ) { dest.defaultvalue = src.defaultvalue; } } function dommanip( collection, args, callback, ignored ) { // flatten any nested arrays args = concat.apply( [], args ); var fragment, first, scripts, hasscripts, node, doc, i = 0, l = collection.length, 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 collection.each( function( index ) { var self = collection.eq( index ); if ( isfunction ) { args[ 0 ] = value.call( this, index, self.html() ); } dommanip( self, args, callback, ignored ); } ); } if ( l ) { fragment = buildfragment( args, collection[ 0 ].ownerdocument, false, collection, ignored ); first = fragment.firstchild; if ( fragment.childnodes.length === 1 ) { fragment = first; } // require either new content or an interest in ignored elements to invoke the callback if ( first || ignored ) { 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 ) { // support: android<4.1, phantomjs<2 // push.apply(_, arraylike) throws on ancient webkit jquery.merge( scripts, getall( node, "script" ) ); } } callback.call( collection[ 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 || "" ) && !datapriv.access( 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.textcontent.replace( rcleanscript, "" ) ); } } } } } } return collection; } function remove( elem, selector, keepdata ) { var node, nodes = selector ? jquery.filter( selector, elem ) : elem, i = 0; for ( ; ( node = nodes[ i ] ) != null; i++ ) { if ( !keepdata && node.nodetype === 1 ) { jquery.cleandata( getall( node ) ); } if ( node.parentnode ) { if ( keepdata && jquery.contains( node.ownerdocument, node ) ) { setglobaleval( getall( node, "script" ) ); } node.parentnode.removechild( node ); } } return elem; } jquery.extend( { htmlprefilter: function( html ) { return html.replace( rxhtmltag, "<$1>" ); }, clone: function( elem, dataandevents, deepdataandevents ) { var i, l, srcelements, destelements, clone = elem.clonenode( true ), inpage = jquery.contains( elem.ownerdocument, elem ); // fix ie cloning issues if ( !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 ); for ( i = 0, l = srcelements.length; i < l; i++ ) { fixinput( srcelements[ i ], 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, l = srcelements.length; i < l; i++ ) { clonecopyevent( srcelements[ i ], destelements[ i ] ); } } else { clonecopyevent( elem, clone ); } } // preserve script evaluation history destelements = getall( clone, "script" ); if ( destelements.length > 0 ) { setglobaleval( destelements, !inpage && getall( elem, "script" ) ); } // return the cloned set return clone; }, cleandata: function( elems ) { var data, elem, type, special = jquery.event.special, i = 0; for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) { if ( acceptdata( elem ) ) { if ( ( data = elem[ datapriv.expando ] ) ) { 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 ); } } } // support: chrome <= 35-45+ // assign undefined instead of using delete, see data#remove elem[ datapriv.expando ] = undefined; } if ( elem[ datauser.expando ] ) { // support: chrome <= 35-45+ // assign undefined instead of using delete, see data#remove elem[ datauser.expando ] = undefined; } } } } } ); jquery.fn.extend( { // keep dommanip exposed until 3.0 (gh-2225) dommanip: dommanip, detach: function( selector ) { return remove( this, selector, true ); }, remove: function( selector ) { return remove( this, selector ); }, text: function( value ) { return access( this, function( value ) { return value === undefined ? jquery.text( this ) : this.empty().each( function() { if ( this.nodetype === 1 || this.nodetype === 11 || this.nodetype === 9 ) { this.textcontent = value; } } ); }, null, value, arguments.length ); }, append: function() { return dommanip( this, arguments, function( elem ) { if ( this.nodetype === 1 || this.nodetype === 11 || this.nodetype === 9 ) { var target = manipulationtarget( this, elem ); target.appendchild( elem ); } } ); }, prepend: function() { return dommanip( this, 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 dommanip( this, arguments, function( elem ) { if ( this.parentnode ) { this.parentnode.insertbefore( elem, this ); } } ); }, after: function() { return dommanip( this, arguments, function( elem ) { if ( this.parentnode ) { this.parentnode.insertbefore( elem, this.nextsibling ); } } ); }, empty: function() { var elem, i = 0; for ( ; ( elem = this[ i ] ) != null; i++ ) { if ( elem.nodetype === 1 ) { // prevent memory leaks jquery.cleandata( getall( elem, false ) ); // remove any remaining nodes elem.textcontent = ""; } } 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 && elem.nodetype === 1 ) { return elem.innerhtml; } // see if we can take a shortcut and just use innerhtml if ( typeof value === "string" && !rnoinnerhtml.test( value ) && !wrapmap[ ( rtagname.exec( value ) || [ "", "" ] )[ 1 ].tolowercase() ] ) { value = jquery.htmlprefilter( value ); try { for ( ; i < l; i++ ) { elem = this[ i ] || {}; // remove element nodes and prevent memory leaks 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 ignored = []; // make the changes, replacing each non-ignored context element with the new content return dommanip( this, arguments, function( elem ) { var parent = this.parentnode; if ( jquery.inarray( this, ignored ) < 0 ) { jquery.cleandata( getall( this ) ); if ( parent ) { parent.replacechild( elem, this ); } } // force callback invocation }, ignored ); } } ); jquery.each( { appendto: "append", prependto: "prepend", insertbefore: "before", insertafter: "after", replaceall: "replacewith" }, function( name, original ) { jquery.fn[ name ] = function( selector ) { var elems, ret = [], insert = jquery( selector ), last = insert.length - 1, i = 0; for ( ; i <= last; i++ ) { elems = i === last ? this : this.clone( true ); jquery( insert[ i ] )[ original ]( elems ); // support: qtwebkit // .get() because push.apply(_, arraylike) throws push.apply( ret, elems.get() ); } return this.pushstack( ret ); }; } ); var iframe, elemdisplay = { // support: firefox // we have to pre-define these values for ff (#10227) html: "block", body: "block" }; /** * 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 ), 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( "