2 * jQuery @VERSION - New Wave Javascript
4 * Copyright (c) 2007 John Resig (jquery.com)
5 * Dual licensed under the MIT (MIT-LICENSE.txt)
6 * and GPL (GPL-LICENSE.txt) licenses.
12 // Map over jQuery in case of overwrite
14 var _jQuery = window.jQuery;
16 var jQuery = window.jQuery = function( selector, context ) {
17 // The jQuery object is actually just the init constructor 'enhanced'
18 return new jQuery.prototype.init( selector, context );
21 // Map over the $ in case of overwrite
25 // Map the jQuery namespace to the '$' one
28 // A simple way to check for HTML strings or ID strings
29 // (both of which we optimize for)
30 var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/;
32 jQuery.fn = jQuery.prototype = {
33 init: function( selector, context ) {
34 // Make sure that a selection was provided
35 selector = selector || document;
37 // Handle $(DOMElement)
38 if ( selector.nodeType ) {
43 // Handle HTML strings
44 } else if ( typeof selector == "string" ) {
45 // Are we dealing with HTML string or an ID?
46 var match = quickExpr.exec( selector );
48 // Verify a match, and that no context was specified for #id
49 if ( match && (match[1] || !context) ) {
51 // HANDLE: $(html) -> $(array)
53 selector = jQuery.clean( [ match[1] ], context );
57 var elem = document.getElementById( match[3] );
59 // Make sure an element was located
61 // Handle the case where IE and Opera return items
62 // by name instead of ID
63 if ( elem.id != match[3] )
64 return jQuery().find( selector );
66 // Otherwise, we inject the element directly into the jQuery object
77 // HANDLE: $(expr, [context])
78 // (which is just equivalent to: $(content).find(expr)
80 return new jQuery( context ).find( selector );
82 // HANDLE: $(function)
83 // Shortcut for document ready
84 } else if ( jQuery.isFunction( selector ) )
85 return new jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector );
89 selector.constructor == Array && selector ||
91 // HANDLE: $(arraylike)
92 // Watch for when an array-like object, contains DOM nodes, is passed in as the selector
93 (selector.jquery || selector.length && selector != window && !selector.nodeType && selector[0] != undefined && selector[0].nodeType) && jQuery.makeArray( selector ) ||
99 // The current version of jQuery being used
102 // The number of elements contained in the matched element set
107 // The number of elements contained in the matched element set
110 // Get the Nth element in the matched element set OR
111 // Get the whole matched element set as a clean array
112 get: function( num ) {
113 return num == undefined ?
115 // Return a 'clean' array
116 jQuery.makeArray( this ) :
118 // Return just the object
122 // Take an array of elements and push it onto the stack
123 // (returning the new matched element set)
124 pushStack: function( elems ) {
125 // Build a new jQuery matched element set
126 var ret = jQuery( elems );
128 // Add the old object onto the stack (as a reference)
129 ret.prevObject = this;
131 // Return the newly-formed element set
135 // Force the current matched set of elements to become
136 // the specified array of elements (destroying the stack in the process)
137 // You should use pushStack() in order to do this, but maintain the stack
138 setArray: function( elems ) {
139 // Resetting the length to 0, then using the native Array push
140 // is a super-fast way to populate an object with array-like properties
142 Array.prototype.push.apply( this, elems );
147 // Execute a callback for every element in the matched set.
148 // (You can seed the arguments with an array of args, but this is
149 // only used internally.)
150 each: function( callback, args ) {
151 return jQuery.each( this, callback, args );
154 // Determine the position of an element within
155 // the matched set of elements
156 index: function( elem ) {
159 // Locate the position of the desired element
160 this.each(function(i){
168 attr: function( name, value, type ) {
171 // Look for the case where we're accessing a style value
172 if ( name.constructor == String )
173 if ( value == undefined )
174 return this.length && jQuery[ type || "attr" ]( this[0], name ) || undefined;
178 options[ name ] = value;
181 // Check to see if we're setting style values
182 return this.each(function(i){
183 // Set all the styles
184 for ( name in options )
189 name, jQuery.prop( this, options[ name ], type, i, name )
194 css: function( key, value ) {
195 // ignore negative width and height values
196 if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )
198 return this.attr( key, value, "curCSS" );
201 text: function( text ) {
202 if ( typeof text != "object" && text != null )
203 return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
207 jQuery.each( text || this, function(){
208 jQuery.each( this.childNodes, function(){
209 if ( this.nodeType != 8 )
210 ret += this.nodeType != 1 ?
212 jQuery.fn.text( [ this ] );
219 wrapAll: function( html ) {
221 // The elements to wrap the target around
222 jQuery( html, this[0].ownerDocument )
224 .insertBefore( this[0] )
228 while ( elem.firstChild )
229 elem = elem.firstChild;
238 wrapInner: function( html ) {
239 return this.each(function(){
240 jQuery( this ).contents().wrapAll( html );
244 wrap: function( html ) {
245 return this.each(function(){
246 jQuery( this ).wrapAll( html );
251 return this.domManip(arguments, true, false, function(elem){
252 if (this.nodeType == 1)
253 this.appendChild( elem );
257 prepend: function() {
258 return this.domManip(arguments, true, true, function(elem){
259 if (this.nodeType == 1)
260 this.insertBefore( elem, this.firstChild );
265 return this.domManip(arguments, false, false, function(elem){
266 this.parentNode.insertBefore( elem, this );
271 return this.domManip(arguments, false, true, function(elem){
272 this.parentNode.insertBefore( elem, this.nextSibling );
277 return this.prevObject || jQuery( [] );
280 find: function( selector ) {
281 var elems = jQuery.map(this, function(elem){
282 return jQuery.find( selector, elem );
285 return this.pushStack( /[^+>] [^+>]/.test( selector ) || selector.indexOf("..") > -1 ?
286 jQuery.unique( elems ) :
290 clone: function( events ) {
292 var ret = this.map(function(){
293 if ( jQuery.browser.msie ) {
294 // IE copies events bound via attachEvent when
295 // using cloneNode. Calling detachEvent on the
296 // clone will also remove the events from the orignal
297 // In order to get around this, we use innerHTML.
298 // Unfortunately, this means some modifications to
299 // attributes in IE that are actually only stored
300 // as properties will not be copied (such as the
301 // the name attribute on an input).
302 var clone = this.cloneNode(true),
303 container = document.createElement("div"),
304 container2 = document.createElement("div");
305 container.appendChild(clone);
306 container2.innerHTML = container.innerHTML;
307 return container2.firstChild;
309 return this.cloneNode(true);
312 // Need to set the expando to null on the cloned set if it exists
313 // removeData doesn't work here, IE removes it from the original as well
314 // this is primarily for IE but the data expando shouldn't be copied over in any browser
315 var clone = ret.find("*").andSelf().each(function(){
316 if ( this[ expando ] != undefined )
317 this[ expando ] = null;
320 // Copy the events from the original to the clone
321 if ( events === true )
322 this.find("*").andSelf().each(function(i){
323 var events = jQuery.data( this, "events" );
325 for ( var type in events )
326 for ( var handler in events[ type ] )
327 jQuery.event.add( clone[ i ], type, events[ type ][ handler ], events[ type ][ handler ].data );
330 // Return the cloned set
334 filter: function( selector ) {
335 return this.pushStack(
336 jQuery.isFunction( selector ) &&
337 jQuery.grep(this, function(elem, i){
338 return selector.call( elem, i );
341 jQuery.multiFilter( selector, this ) );
344 not: function( selector ) {
345 return this.pushStack(
346 selector.constructor == String &&
347 jQuery.multiFilter( selector, this, true ) ||
349 jQuery.grep(this, function(elem) {
350 return selector.constructor == Array || selector.jquery ?
351 jQuery.inArray( elem, selector ) < 0 :
356 add: function( selector ) {
357 return !selector ? this : this.pushStack( jQuery.merge(
359 selector.constructor == String ?
360 jQuery( selector ).get() :
361 selector.length != undefined && (!selector.nodeName || jQuery.nodeName(selector, "form")) ?
362 selector : [selector] ) );
365 is: function( selector ) {
367 jQuery.multiFilter( selector, this ).length > 0 :
371 hasClass: function( selector ) {
372 return this.is( "." + selector );
375 val: function( value ) {
376 if ( value == undefined ) {
381 // We need to handle select boxes special
382 if ( jQuery.nodeName( elem, "select" ) ) {
383 var index = elem.selectedIndex,
385 options = elem.options,
386 one = elem.type == "select-one";
388 // Nothing was selected
392 // Loop through all the selected options
393 for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
394 var option = options[ i ];
396 if ( option.selected ) {
397 // Get the specifc value for the option
398 value = jQuery.browser.msie && !option.attributes.value.specified ? option.text : option.value;
400 // We don't need an array for one selects
404 // Multi-Selects return an array
405 values.push( value );
411 // Everything else, we just grab the value
413 return (this[0].value || "").replace(/\r/g, "");
418 return this.each(function(){
419 if ( this.nodeType != 1 )
422 if ( value.constructor == Array && /radio|checkbox/.test( this.type ) )
423 this.checked = (jQuery.inArray(this.value, value) >= 0 ||
424 jQuery.inArray(this.name, value) >= 0);
426 else if ( jQuery.nodeName( this, "select" ) ) {
427 var values = value.constructor == Array ?
431 jQuery( "option", this ).each(function(){
432 this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
433 jQuery.inArray( this.text, values ) >= 0);
436 if ( !values.length )
437 this.selectedIndex = -1;
444 html: function( value ) {
445 return value == undefined ?
449 this.empty().append( value );
452 replaceWith: function( value ) {
453 return this.after( value ).remove();
457 return this.slice( i, i + 1 );
461 return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
464 map: function( callback ) {
465 return this.pushStack( jQuery.map(this, function(elem, i){
466 return callback.call( elem, i, elem );
470 andSelf: function() {
471 return this.add( this.prevObject );
474 domManip: function( args, table, reverse, callback ) {
475 var clone = this.length > 1, elems;
477 return this.each(function(){
479 elems = jQuery.clean( args, this.ownerDocument );
487 if ( table && jQuery.nodeName( this, "table" ) && jQuery.nodeName( elems[0], "tr" ) )
488 obj = this.getElementsByTagName("tbody")[0] || this.appendChild( this.ownerDocument.createElement("tbody") );
490 var scripts = jQuery( [] );
492 jQuery.each(elems, function(){
494 this.cloneNode( true ) :
497 if ( jQuery.nodeName( elem, "script" ) ) {
499 // If scripts are waiting to be executed, wait on this script as well
500 if ( scripts.length )
501 scripts = scripts.add( elem );
503 // If nothing is waiting to be executed, run immediately
505 evalScript( 0, elem );
508 // Remove any inner scripts for later evaluation
509 if ( elem.nodeType == 1 )
510 scripts = scripts.add( jQuery( "script", elem ).remove() );
512 // Inject the elements into the document
513 callback.call( obj, elem );
517 scripts.each( evalScript );
522 // Give the init function the jQuery prototype for later instantiation
523 jQuery.prototype.init.prototype = jQuery.prototype;
525 function evalScript( i, elem ) {
534 jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
536 if ( elem.parentNode )
537 elem.parentNode.removeChild( elem );
540 jQuery.extend = jQuery.fn.extend = function() {
541 // copy reference to target object
542 var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;
544 // Handle a deep copy situation
545 if ( target.constructor == Boolean ) {
547 target = arguments[1] || {};
548 // skip the boolean and the target
552 // Handle case when target is a string or something (possible in deep copy)
553 if ( typeof target != "object" && typeof target != "function" )
556 // extend jQuery itself if only one argument is passed
562 for ( ; i < length; i++ )
563 // Only deal with non-null/undefined values
564 if ( (options = arguments[ i ]) != null )
565 // Extend the base object
566 for ( var name in options ) {
567 // Prevent never-ending loop
568 if ( target === options[ name ] )
571 // Recurse if we're merging object values
572 if ( deep && options[ name ] && typeof options[ name ] == "object" && target[ name ] && !options[ name ].nodeType )
573 target[ name ] = jQuery.extend( target[ name ], options[ name ] );
575 // Don't bring in undefined values
576 else if ( options[ name ] != undefined )
577 target[ name ] = options[ name ];
581 // Return the modified object
585 var expando = "jQuery" + (new Date()).getTime(), uuid = 0, windowData = {};
587 // exclude the following css properties to add px
588 var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;
591 noConflict: function( deep ) {
595 window.jQuery = _jQuery;
600 // This may seem like some crazy code, but trust me when I say that this
601 // is the only cross-browser way to do this. --John
602 isFunction: function( fn ) {
603 return !!fn && typeof fn != "string" && !fn.nodeName &&
604 fn.constructor != Array && /function/i.test( fn + "" );
607 // check if an element is in a (or is an) XML document
608 isXMLDoc: function( elem ) {
609 return elem.documentElement && !elem.body ||
610 elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
613 // Evalulates a script in a global context
614 globalEval: function( data ) {
615 data = jQuery.trim( data );
618 // Inspired by code by Andrea Giammarchi
619 // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
620 var head = document.getElementsByTagName("head")[0] || document.documentElement,
621 script = document.createElement("script");
623 script.type = "text/javascript";
624 if ( jQuery.browser.msie )
627 script.appendChild( document.createTextNode( data ) );
629 head.appendChild( script );
630 head.removeChild( script );
634 nodeName: function( elem, name ) {
635 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
640 data: function( elem, name, data ) {
641 elem = elem == window ?
645 var id = elem[ expando ];
647 // Compute a unique ID for the element
649 id = elem[ expando ] = ++uuid;
651 // Only generate the data cache if we're
652 // trying to access or manipulate it
653 if ( name && !jQuery.cache[ id ] )
654 jQuery.cache[ id ] = {};
656 // Prevent overriding the named cache with undefined values
657 if ( data != undefined )
658 jQuery.cache[ id ][ name ] = data;
660 // Return the named cache data, or the ID for the element
662 jQuery.cache[ id ][ name ] :
666 removeData: function( elem, name ) {
667 elem = elem == window ?
671 var id = elem[ expando ];
673 // If we want to remove a specific section of the element's data
675 if ( jQuery.cache[ id ] ) {
676 // Remove the section of cache data
677 delete jQuery.cache[ id ][ name ];
679 // If we've removed all the data, remove the element's cache
682 for ( name in jQuery.cache[ id ] )
686 jQuery.removeData( elem );
689 // Otherwise, we want to remove all of the element's data
691 // Clean up the element expando
693 delete elem[ expando ];
695 // IE has trouble directly removing the expando
696 // but it's ok with using removeAttribute
697 if ( elem.removeAttribute )
698 elem.removeAttribute( expando );
701 // Completely remove the data cache
702 delete jQuery.cache[ id ];
706 // args is for internal usage only
707 each: function( object, callback, args ) {
709 if ( object.length == undefined )
710 for ( var name in object )
711 callback.apply( object[ name ], args );
713 for ( var i = 0, length = object.length; i < length; i++ )
714 if ( callback.apply( object[ i ], args ) === false )
717 // A special, fast, case for the most common use of each
719 if ( object.length == undefined )
720 for ( var name in object )
721 callback.call( object[ name ], name, object[ name ] );
723 for ( var i = 0, length = object.length, value = object[0];
724 i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
730 prop: function( elem, value, type, i, name ) {
731 // Handle executable functions
732 if ( jQuery.isFunction( value ) )
733 value = value.call( elem, i );
735 // Handle passing in a number to a CSS property
736 return value && value.constructor == Number && type == "curCSS" && !exclude.test( name ) ?
742 // internal only, use addClass("class")
743 add: function( elem, classNames ) {
744 jQuery.each((classNames || "").split(/\s+/), function(i, className){
745 if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
746 elem.className += (elem.className ? " " : "") + className;
750 // internal only, use removeClass("class")
751 remove: function( elem, classNames ) {
752 if (elem.nodeType == 1)
753 elem.className = classNames != undefined ?
754 jQuery.grep(elem.className.split(/\s+/), function(className){
755 return !jQuery.className.has( classNames, className );
760 // internal only, use is(".class")
761 has: function( elem, className ) {
762 return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
766 // A method for quickly swapping in/out CSS properties to get correct calculations
767 swap: function( elem, options, callback ) {
768 // Remember the old values, and insert the new ones
769 for ( var name in options ) {
770 elem.style[ "old" + name ] = elem.style[ name ];
771 elem.style[ name ] = options[ name ];
774 callback.call( elem );
776 // Revert the old values
777 for ( var name in options )
778 elem.style[ name ] = elem.style[ "old" + name ];
781 css: function( elem, name, force ) {
782 if ( name == "height" || name == "width" ) {
783 var old = {}, height, width;
785 // Revert the padding and border widths to get the
786 // correct height/width values
787 jQuery.each([ "Top", "Bottom", "Right", "Left" ], function(){
788 old[ "padding" + this ] = 0;
789 old[ "border" + this + "Width" ] = 0;
792 // Swap out the padding/border values temporarily
793 jQuery.swap( elem, old, function() {
795 // If the element is visible, then the calculation is easy
796 if ( jQuery( elem ).is(":visible") ) {
797 height = elem.offsetHeight;
798 width = elem.offsetWidth;
800 // Otherwise, we need to flip out more values
802 elem = jQuery( elem.cloneNode(true) )
803 .find(":radio").removeAttr("checked").removeAttr("defaultChecked").end()
805 visibility: "hidden",
806 position: "absolute",
810 }).appendTo( elem.parentNode )[0];
812 var position = jQuery.css( elem.parentNode, "position" ) || "static";
813 if ( position == "static" )
814 elem.parentNode.style.position = "relative";
816 height = elem.clientHeight;
817 width = elem.clientWidth;
819 if ( position == "static" )
820 elem.parentNode.style.position = "static";
822 elem.parentNode.removeChild( elem );
826 return name == "height" ?
831 return jQuery.curCSS( elem, name, force );
834 curCSS: function( elem, name, force ) {
837 // A helper method for determining if an element's values are broken
838 function color( elem ) {
839 if ( !jQuery.browser.safari )
842 var ret = document.defaultView.getComputedStyle( elem, null );
843 return !ret || ret.getPropertyValue("color") == "";
846 // We need to handle opacity special in IE
847 if ( name == "opacity" && jQuery.browser.msie ) {
848 ret = jQuery.attr( elem.style, "opacity" );
855 // Make sure we're using the right name for getting the float value
856 if ( name.match( /float/i ) )
859 if ( !force && elem.style[ name ] )
860 ret = elem.style[ name ];
862 else if ( document.defaultView && document.defaultView.getComputedStyle ) {
864 // Only "float" is needed here
865 if ( name.match( /float/i ) )
868 name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
870 var getComputedStyle = document.defaultView.getComputedStyle( elem, null );
872 if ( getComputedStyle && !color( elem ) )
873 ret = getComputedStyle.getPropertyValue( name );
875 // If the element isn't reporting its values properly in Safari
876 // then some display: none elements are involved
878 var swap = [], stack = [];
880 // Locate all of the parent display: none elements
881 for ( var a = elem; a && color(a); a = a.parentNode )
884 // Go through and make them visible, but in reverse
885 // (It would be better if we knew the exact display type that they had)
886 for ( var i = 0; i < stack.length; i++ )
887 if ( color( stack[ i ] ) ) {
888 swap[ i ] = stack[ i ].style.display;
889 stack[ i ].style.display = "block";
892 // Since we flip the display style, we have to handle that
893 // one special, otherwise get the value
894 ret = name == "display" && swap[ stack.length - 1 ] != null ?
896 ( getComputedStyle && getComputedStyle.getPropertyValue( name ) ) || "";
898 // Finally, revert the display styles back
899 for ( var i = 0; i < swap.length; i++ )
900 if ( swap[ i ] != null )
901 stack[ i ].style.display = swap[ i ];
904 // We should always get a number back from opacity
905 if ( name == "opacity" && ret == "" )
908 } else if ( elem.currentStyle ) {
909 var camelCase = name.replace(/\-(\w)/g, function(all, letter){
910 return letter.toUpperCase();
913 ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
915 // From the awesome hack by Dean Edwards
916 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
918 // If we're not dealing with a regular pixel number
919 // but a number that has a weird ending, we need to convert it to pixels
920 if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
921 // Remember the original values
922 var style = elem.style.left, runtimeStyle = elem.runtimeStyle.left;
924 // Put in the new values to get a computed value out
925 elem.runtimeStyle.left = elem.currentStyle.left;
926 elem.style.left = ret || 0;
927 ret = elem.style.pixelLeft + "px";
929 // Revert the changed values
930 elem.style.left = style;
931 elem.runtimeStyle.left = runtimeStyle;
938 clean: function( elems, context ) {
940 context = context || document;
941 // !context.createElement fails in IE with an error but returns typeof 'object'
942 if (typeof context.createElement == 'undefined')
943 context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
945 jQuery.each(elems, function(i, elem){
949 if ( elem.constructor == Number )
950 elem = elem.toString();
952 // Convert html string into DOM nodes
953 if ( typeof elem == "string" ) {
954 // Fix "XHTML"-style tags in all browsers
955 elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
956 return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area)$/i) ?
958 front + "></" + tag + ">";
961 // Trim whitespace, otherwise indexOf won't work as expected
962 var tags = jQuery.trim( elem ).toLowerCase(), div = context.createElement("div");
965 // option or optgroup
966 !tags.indexOf("<opt") &&
967 [ 1, "<select multiple='multiple'>", "</select>" ] ||
969 !tags.indexOf("<leg") &&
970 [ 1, "<fieldset>", "</fieldset>" ] ||
972 tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
973 [ 1, "<table>", "</table>" ] ||
975 !tags.indexOf("<tr") &&
976 [ 2, "<table><tbody>", "</tbody></table>" ] ||
978 // <thead> matched above
979 (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
980 [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
982 !tags.indexOf("<col") &&
983 [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
985 // IE can't serialize <link> and <script> tags normally
986 jQuery.browser.msie &&
987 [ 1, "div<div>", "</div>" ] ||
991 // Go to html and back, then peel off extra wrappers
992 div.innerHTML = wrap[1] + elem + wrap[2];
994 // Move to the right depth
998 // Remove IE's autoinserted <tbody> from table fragments
999 if ( jQuery.browser.msie ) {
1001 // String was a <table>, *may* have spurious <tbody>
1002 var tbody = !tags.indexOf("<table") && tags.indexOf("<tbody") < 0 ?
1003 div.firstChild && div.firstChild.childNodes :
1005 // String was a bare <thead> or <tfoot>
1006 wrap[1] == "<table>" && tags.indexOf("<tbody") < 0 ?
1010 for ( var i = tbody.length - 1; i >= 0 ; --i )
1011 if ( jQuery.nodeName( tbody[ i ], "tbody" ) && !tbody[ i ].childNodes.length )
1012 tbody[ i ].parentNode.removeChild( tbody[ i ] );
1014 // IE completely kills leading whitespace when innerHTML is used
1015 if ( /^\s/.test( elem ) )
1016 div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
1020 elem = jQuery.makeArray( div.childNodes );
1023 if ( elem.length === 0 && (!jQuery.nodeName( elem, "form" ) && !jQuery.nodeName( elem, "select" )) )
1026 if ( elem[0] == undefined || jQuery.nodeName( elem, "form" ) || elem.options )
1030 ret = jQuery.merge( ret, elem );
1037 attr: function( elem, name, value ) {
1038 // don't set attributes on text and comment nodes
1039 if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
1042 var fix = jQuery.isXMLDoc( elem ) ?
1046 // Safari mis-reports the default selected property of a hidden option
1047 // Accessing the parent's selectedIndex property fixes it
1048 if ( name == "selected" && jQuery.browser.safari )
1049 elem.parentNode.selectedIndex;
1051 // Certain attributes only work when accessed via the old DOM 0 way
1052 if ( fix[ name ] ) {
1053 if ( value != undefined )
1054 elem[ fix[ name ] ] = value;
1056 return elem[ fix[ name ] ];
1058 } else if ( jQuery.browser.msie && name == "style" )
1059 return jQuery.attr( elem.style, "cssText", value );
1061 else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName( elem, "form" ) && (name == "action" || name == "method") )
1062 return elem.getAttributeNode( name ).nodeValue;
1064 // IE elem.getAttribute passes even for style
1065 else if ( elem.tagName ) {
1067 if ( value != undefined ) {
1068 // We can't allow the type property to be changed (since it causes problems in IE)
1069 if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
1070 throw "type property can't be changed";
1072 // convert the value to a string (all browsers do this but IE) see #1070
1073 elem.setAttribute( name, "" + value );
1076 if ( jQuery.browser.msie && /href|src/.test( name ) && !jQuery.isXMLDoc( elem ) )
1077 return elem.getAttribute( name, 2 );
1079 return elem.getAttribute( name );
1081 // elem is actually elem.style ... set the style
1083 // IE actually uses filters for opacity
1084 if ( name == "opacity" && jQuery.browser.msie ) {
1085 if ( value != undefined ) {
1086 // IE has trouble with opacity if it does not have layout
1087 // Force it by setting the zoom level
1090 // Set the alpha filter to set the opacity
1091 elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
1092 (parseFloat( value ).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
1095 return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
1096 (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() :
1100 name = name.replace(/-([a-z])/ig, function(all, letter){
1101 return letter.toUpperCase();
1104 if ( value != undefined )
1105 elem[ name ] = value;
1107 return elem[ name ];
1111 trim: function( text ) {
1112 return (text || "").replace( /^\s+|\s+$/g, "" );
1115 makeArray: function( array ) {
1118 // Need to use typeof to fight Safari childNodes crashes
1119 if ( typeof array != "array" )
1120 for ( var i = 0, length = array.length; i < length; i++ )
1121 ret.push( array[ i ] );
1123 ret = array.slice( 0 );
1128 inArray: function( elem, array ) {
1129 for ( var i = 0, length = array.length; i < length; i++ )
1130 if ( array[ i ] == elem )
1136 merge: function( first, second ) {
1137 // We have to loop this way because IE & Opera overwrite the length
1138 // expando of getElementsByTagName
1140 // Also, we need to make sure that the correct elements are being returned
1141 // (IE returns comment nodes in a '*' query)
1142 if ( jQuery.browser.msie ) {
1143 for ( var i = 0; second[ i ]; i++ )
1144 if ( second[ i ].nodeType != 8 )
1145 first.push( second[ i ] );
1148 for ( var i = 0; second[ i ]; i++ )
1149 first.push( second[ i ] );
1154 unique: function( array ) {
1155 var ret = [], done = {};
1159 for ( var i = 0, length = array.length; i < length; i++ ) {
1160 var id = jQuery.data( array[ i ] );
1162 if ( !done[ id ] ) {
1164 ret.push( array[ i ] );
1175 grep: function( elems, callback, inv ) {
1176 // If a string is passed in for the function, make a function
1177 // for it (a handy shortcut)
1178 if ( typeof callback == "string" )
1179 callback = eval("false||function(a,i){return " + callback + "}");
1183 // Go through the array, only saving the items
1184 // that pass the validator function
1185 for ( var i = 0, length = elems.length; i < length; i++ )
1186 if ( !inv && callback( elems[ i ], i ) || inv && !callback( elems[ i ], i ) )
1187 ret.push( elems[ i ] );
1192 map: function( elems, callback ) {
1195 // Go through the array, translating each of the items to their
1196 // new value (or values).
1197 for ( var i = 0, length = elems.length; i < length; i++ ) {
1198 var value = callback( elems[ i ], i );
1200 if ( value !== null && value != undefined ) {
1201 if ( value.constructor != Array )
1204 ret = ret.concat( value );
1212 var userAgent = navigator.userAgent.toLowerCase();
1214 // Figure out what browser is being used
1216 version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [])[1],
1217 safari: /webkit/.test( userAgent ),
1218 opera: /opera/.test( userAgent ),
1219 msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
1220 mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
1223 var styleFloat = jQuery.browser.msie ?
1228 // Check to see if the W3C box model is being used
1229 boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",
1233 "class": "className",
1234 "float": styleFloat,
1235 cssFloat: styleFloat,
1236 styleFloat: styleFloat,
1237 innerHTML: "innerHTML",
1238 className: "className",
1240 disabled: "disabled",
1242 readonly: "readOnly",
1243 selected: "selected",
1244 maxlength: "maxLength",
1245 selectedIndex: "selectedIndex",
1246 defaultValue: "defaultValue",
1248 nodeName: "nodeName"
1253 parent: "elem.parentNode",
1254 parents: "jQuery.dir(elem,'parentNode')",
1255 next: "jQuery.nth(elem,2,'nextSibling')",
1256 prev: "jQuery.nth(elem,2,'previousSibling')",
1257 nextAll: "jQuery.dir(elem,'nextSibling')",
1258 prevAll: "jQuery.dir(elem,'previousSibling')",
1259 siblings: "jQuery.sibling(elem.parentNode.firstChild,elem)",
1260 children: "jQuery.sibling(elem.firstChild)",
1261 contents: "jQuery.nodeName(elem,'iframe')?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes)"
1262 }, function(name, fn){
1263 fn = eval("false||function(elem){return " + fn + "}");
1265 jQuery.fn[ name ] = function( selector ) {
1266 var ret = jQuery.map( this, fn );
1268 if ( selector && typeof selector == "string" )
1269 ret = jQuery.multiFilter( selector, ret );
1271 return this.pushStack( jQuery.unique( ret ) );
1277 prependTo: "prepend",
1278 insertBefore: "before",
1279 insertAfter: "after",
1280 replaceAll: "replaceWith"
1281 }, function(name, original){
1282 jQuery.fn[ name ] = function() {
1283 var args = arguments;
1285 return this.each(function(){
1286 for ( var i = 0, length = args.length; i < length; i++ )
1287 jQuery( args[ i ] )[ original ]( this );
1293 removeAttr: function( name ) {
1294 jQuery.attr( this, name, "" );
1295 if (this.nodeType == 1)
1296 this.removeAttribute( name );
1299 addClass: function( classNames ) {
1300 jQuery.className.add( this, classNames );
1303 removeClass: function( classNames ) {
1304 jQuery.className.remove( this, classNames );
1307 toggleClass: function( classNames ) {
1308 jQuery.className[ jQuery.className.has( this, classNames ) ? "remove" : "add" ]( this, classNames );
1311 remove: function( selector ) {
1312 if ( !selector || jQuery.filter( selector, [ this ] ).r.length ) {
1313 // Prevent memory leaks
1314 jQuery( "*", this ).add(this).each(function(){
1315 jQuery.event.remove(this);
1316 jQuery.removeData(this);
1318 if (this.parentNode)
1319 this.parentNode.removeChild( this );
1324 // Remove element nodes and prevent memory leaks
1325 jQuery( ">*", this ).remove();
1327 // Remove any remaining nodes
1328 while ( this.firstChild )
1329 this.removeChild( this.firstChild );
1331 }, function(name, fn){
1332 jQuery.fn[ name ] = function(){
1333 return this.each( fn, arguments );
1337 jQuery.each([ "Height", "Width" ], function(i, name){
1338 var type = name.toLowerCase();
1340 jQuery.fn[ type ] = function( size ) {
1341 // Get window width or height
1342 return this[0] == window ?
1343 // Opera reports document.body.client[Width/Height] properly in both quirks and standards
1344 jQuery.browser.opera && document.body[ "client" + name ] ||
1346 // Safari reports inner[Width/Height] just fine (Mozilla and Opera include scroll bar widths)
1347 jQuery.browser.safari && window[ "inner" + name ] ||
1349 // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
1350 document.compatMode == "CSS1Compat" && document.documentElement[ "client" + name ] || document.body[ "client" + name ] :
1352 // Get document width or height
1353 this[0] == document ?
1354 // Either scroll[Width/Height] or offset[Width/Height], whichever is greater (Mozilla reports scrollWidth the same as offsetWidth)
1355 Math.max( document.body[ "scroll" + name ], document.body[ "offset" + name ] ) :
1357 // Get or set width or height on the element
1359 // Get width or height on the element
1360 (this.length ? jQuery.css( this[0], type ) : null) :
1362 // Set the width or height on the element (default to pixels if value is unitless)
1363 this.css( type, size.constructor == String ? size : size + "px" );