// HANDLE: $(function)
// Shortcut for document ready
- // Safari reports typeof on DOM NodeLists as a function
- if ( jQuery.isFunction(a) && !a.nodeType && a[0] == undefined )
+ if ( jQuery.isFunction(a) )
return new jQuery(document)[ jQuery.fn.ready ? "ready" : "load" ]( a );
// Handle HTML strings
if ( typeof a == "string" ) {
// HANDLE: $(html) -> $(array)
- var m = /^[^<]*(<.+>)[^>]*$/.exec(a);
+ var m = /^[^<]*(<(.|\s)+>)[^>]*$/.exec(a);
if ( m )
a = jQuery.clean( [ m[1] ] );
* (usually consisting of CSS or XPath), which then finds all matching
* elements.
*
- * By default, $() looks for DOM elements within the context of the
- * current HTML document.
+ * By default, if no context is specified, $() looks for DOM elements within the context of the
+ * current HTML document. If you do specify a context, such as a DOM
+ * element or jQuery object, the expression will be matched against
+ * the contents of that context.
+ *
+ * See [[DOM/Traversing/Selectors]] for the allowed CSS/XPath syntax for expressions.
*
* @example $("div > p")
* @desc Finds all p elements that are children of a div element.
/**
* Create DOM elements on-the-fly from the provided String of raw HTML.
*
- * @example $("<div><p>Hello</p></div>").appendTo("#body")
+ * @example $("<div><p>Hello</p></div>").appendTo("body")
* @desc Creates a div element (and all of its contents) dynamically,
- * and appends it to the element with the ID of body. Internally, an
- * element is created and it's innerHTML property set to the given markup.
+ * and appends it to the body element. Internally, an
+ * element is created and its innerHTML property set to the given markup.
* It is therefore both quite flexible and limited.
*
* @name $
* This function also accepts XML Documents and Window objects
* as valid arguments (even though they are not DOM Elements).
*
- * @example $(document.body).background( "black" );
+ * @example $(document.body).css( "background", "black" );
* @desc Sets the background color of the page to black.
*
* @example $( myForm.elements ).hide()
* A shorthand for $(document).ready(), allowing you to bind a function
* to be executed when the DOM document has finished loading. This function
* behaves just like $(document).ready(), in that it should be used to wrap
- * all of the other $() operations on your page. While this function is,
- * technically, chainable - there really isn't much use for chaining against it.
+ * other $() operations on your page that depend on the DOM being ready to be
+ * operated on. While this function is, technically, chainable - there really
+ * isn't much use for chaining against it.
+ *
* You can have as many $(document).ready events on your page as you like.
*
* See ready(Function) for details about the ready event.
jquery: "@VERSION",
/**
- * The number of elements currently matched.
+ * The number of elements currently matched. The size function will return the same value.
*
* @example $("img").length;
* @before <img src="test1.jpg"/> <img src="test2.jpg"/>
*/
/**
- * The number of elements currently matched.
+ * Get the number of elements currently matched. This returns the same
+ * number as the 'length' property of the jQuery object.
*
* @example $("img").size();
* @before <img src="test1.jpg"/> <img src="test2.jpg"/>
length: 0,
/**
- * Access all matched elements. This serves as a backwards-compatible
+ * Access all matched DOM elements. This serves as a backwards-compatible
* way of accessing all matched elements (other than the jQuery object
* itself, which is, in fact, an array of elements).
*
+ * It is useful if you need to operate on the DOM elements themselves instead of using built-in jQuery functions.
+ *
* @example $("img").get();
* @before <img src="test1.jpg"/> <img src="test2.jpg"/>
* @result [ <img src="test1.jpg"/> <img src="test2.jpg"/> ]
*/
/**
- * Access a single matched element. num is used to access the
- * Nth element matched.
+ * Access a single matched DOM element at a specified index in the matched set.
+ * This allows you to extract the actual DOM element and operate on it
+ * directly without necessarily using jQuery functionality on it.
*
* @example $("img").get(0);
* @before <img src="test1.jpg"/> <img src="test2.jpg"/>
- * @result [ <img src="test1.jpg"/> ]
+ * @result <img src="test1.jpg"/>
* @desc Selects all images in the document and returns the first one
*
* @name get
* @cat Core
*/
pushStack: function( a ) {
- var ret = jQuery(this);
+ var ret = jQuery(a);
ret.prevObject = this;
- return ret.setArray( a );
+ return ret;
},
/**
* Execute a function within the context of every matched element.
* This means that every time the passed-in function is executed
* (which is once for every element matched) the 'this' keyword
- * points to the specific element.
+ * points to the specific DOM element.
*
* Additionally, the function, when executed, is passed a single
* argument representing the position of the element in the matched
- * set.
+ * set (integer, zero-index).
*
* @example $("img").each(function(i){
* this.src = "test" + i + ".jpg";
find: function(t) {
return this.pushStack( jQuery.map( this, function(a){
return jQuery.find(t,a);
- }) );
+ }), t );
},
/**
*/
clone: function(deep) {
return this.pushStack( jQuery.map( this, function(a){
- return a.cloneNode( deep != undefined ? deep : true );
+ var a = a.cloneNode( deep != undefined ? deep : true );
+ a.$events = null; // drop $events expando to avoid firing incorrect events
+ return a;
}) );
},
not: function(t) {
return this.pushStack(
t.constructor == String &&
- jQuery.multiFilter(t,this,true) ||
-
- jQuery.grep(this,function(a){
- if ( t.constructor == Array || t.jquery )
- return jQuery.inArray( t, a ) < 0;
- else
- return a != t;
- }) );
+ jQuery.multiFilter(t, this, true) ||
+
+ jQuery.grep(this, function(a) {
+ return ( t.constructor == Array || t.jquery )
+ ? jQuery.inArray( a, t ) < 0
+ : a != t;
+ })
+ );
},
/**
add: function(t) {
return this.pushStack( jQuery.merge(
this.get(),
- typeof t == "string" ? jQuery(t).get() : t.length ? t : [t] )
+ t.constructor == String ?
+ jQuery(t).get() :
+ t.length != undefined && (!t.nodeName || t.nodeName == "FORM") ?
+ t : [t] )
);
},
return this.each(function(){
var obj = this;
- if ( table && this.nodeName.toUpperCase() == "TABLE" && a[0].nodeName.toUpperCase() == "TR" )
+ if ( table && jQuery.nodeName(this, "table") && jQuery.nodeName(a[0], "tr") )
obj = this.getElementsByTagName("tbody")[0] || this.appendChild(document.createElement("tbody"));
jQuery.each( a, function(){
/**
* Extends the jQuery object itself. Can be used to add functions into
- * the jQuery namespace and to add plugin methods (plugins).
+ * the jQuery namespace and to [[Plugins/Authoring|add plugin methods]] (plugins).
*
* @example jQuery.fn.extend({
* check: function() {
noConflict: function() {
if ( jQuery._$ )
$ = jQuery._$;
+ return jQuery;
},
+ // This may seem like some crazy code, but trust me when I say that this
+ // is the only cross-browser way to do this. --John
isFunction: function( fn ) {
- return fn && typeof fn == "function";
+ return !!fn && typeof fn != "string" && !fn.nodeName &&
+ typeof fn[0] == "undefined" && /function/i.test( fn + "" );
+ },
+
+ // check if an element is in a XML document
+ isXMLDoc: function(elem) {
+ return elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
+ },
+
+ nodeName: function( elem, name ) {
+ return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
},
/**
prop: function(elem, value, type, index, prop){
// Handle executable functions
if ( jQuery.isFunction( value ) )
- return value.call( elem, [index] );
+ value = value.call( elem, [index] );
// exclude the following css properties to add px
var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;
// Handle passing in a number to a CSS property
- if ( value.constructor == Number && type == "curCSS" && !exclude.test(prop) )
- return value + "px";
-
- return value;
+ return value && value.constructor == Number && type == "curCSS" && !exclude.test(prop) ?
+ value + "px" :
+ value;
},
className: {
// internal only, use is(".class")
has: function( t, c ) {
t = t.className || t;
+ // escape regex characters
+ c = c.replace(/([\.\\\+\*\?\[\^\]\$\(\)\{\}\=\!\<\>\|\:])/g, "\\$1");
return t && new RegExp("(^|\\s)" + c + "(\\s|$)").test( t );
}
},
tb = div.childNodes;
for ( var n = tb.length-1; n >= 0 ; --n )
- if ( tb[n].nodeName.toUpperCase() == "TBODY" && !tb[n].childNodes.length )
+ if ( jQuery.nodeName(tb[n], "tbody") && !tb[n].childNodes.length )
tb[n].parentNode.removeChild(tb[n]);
}
arg = div.childNodes;
}
- if ( arg.length === 0 )
+ if ( arg.length === 0 && !jQuery.nodeName(arg, "form") )
return;
- if ( arg[0] == undefined )
+ if ( arg[0] == undefined || jQuery.nodeName(arg, "form") )
r.push( arg );
else
r = jQuery.merge( r, arg );
},
attr: function(elem, name, value){
- var fix = {
+ var fix = jQuery.isXMLDoc(elem) ? {} : {
"for": "htmlFor",
"class": "className",
"float": jQuery.browser.msie ? "styleFloat" : "cssFloat",
// Mozilla doesn't play well with opacity 1
if ( name == "opacity" && jQuery.browser.mozilla && value == 1 )
value = 0.9999;
+
// Certain attributes only work when accessed via the old DOM 0 way
if ( fix[name] ) {
if ( value != undefined ) elem[fix[name]] = value;
return elem[fix[name]];
- } else if ( value == undefined && jQuery.browser.msie && elem.nodeName && elem.nodeName.toUpperCase() == "FORM" && (name == "action" || name == "method") )
+ } else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName(elem, "form") && (name == "action" || name == "method") )
return elem.getAttributeNode(name).nodeValue;
// IE elem.getAttribute passes even for style
else if ( elem.tagName ) {
if ( value != undefined ) elem.setAttribute( name, value );
+ if ( jQuery.browser.msie && /href|src/.test(name) && !jQuery.isXMLDoc(elem) )
+ return elem.getAttribute( name, 2 );
return elem.getAttribute( name );
+ // elem is actually elem.style ... set the style
} else {
name = name.replace(/-([a-z])/ig,function(z,b){return b.toUpperCase();});
if ( value != undefined ) elem[name] = value;