X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;ds=sidebyside;f=src%2Fjquery%2Fjquery.js;h=cc89fff70c36a93434abc646213203bbf3103e7b;hb=027668047a65837daef59efcc5f7042303dd71c3;hp=f1cc33931e2a3da6f1fdc5923f82c65bbc2afdb7;hpb=866187fff66ef50b9c4b4c47f332f742c7546cc5;p=jquery.git diff --git a/src/jquery/jquery.js b/src/jquery/jquery.js index f1cc339..cc89fff 100644 --- a/src/jquery/jquery.js +++ b/src/jquery/jquery.js @@ -1,7 +1,7 @@ /* * jQuery @VERSION - New Wave Javascript * - * Copyright (c) 2006 John Resig (jquery.com) + * Copyright (c) 2007 John Resig (jquery.com) * Dual licensed under the MIT (MIT-LICENSE.txt) * and GPL (GPL-LICENSE.txt) licenses. * @@ -32,14 +32,13 @@ var jQuery = function(a,c) { // 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] ] ); @@ -77,8 +76,12 @@ var $ = jQuery; * (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. @@ -103,10 +106,10 @@ var $ = jQuery; /** * Create DOM elements on-the-fly from the provided String of raw HTML. * - * @example $("
Hello
Hello
one
two
three
- * @result [two
] - * @desc Same as $("div > p") because the document - * - * @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() @@ -143,8 +141,10 @@ var $ = jQuery; * 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. @@ -181,7 +181,7 @@ jQuery.fn = jQuery.prototype = { 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 @@ -194,7 +194,8 @@ jQuery.fn = jQuery.prototype = { */ /** - * 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 @@ -211,10 +212,12 @@ jQuery.fn = jQuery.prototype = { 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 * @result [ ] @@ -226,12 +229,13 @@ jQuery.fn = jQuery.prototype = { */ /** - * 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 - * @result [ ] + * @result * @desc Selects all images in the document and returns the first one * * @name get @@ -263,9 +267,9 @@ jQuery.fn = jQuery.prototype = { * @cat Core */ pushStack: function( a ) { - var ret = jQuery(this); + var ret = jQuery(a); ret.prevObject = this; - return ret.setArray( a ); + return ret; }, /** @@ -292,11 +296,11 @@ jQuery.fn = jQuery.prototype = { * 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"; @@ -352,6 +356,9 @@ jQuery.fn = jQuery.prototype = { * This method makes it easy to retrieve a property value * from the first matched element. * + * If the element does not have an attribute with such a + * name, undefined is returned. + * * @example $("img").attr("src"); * @before * @result test.jpg @@ -383,8 +390,6 @@ jQuery.fn = jQuery.prototype = { /** * Set a single property to a value, on all matched elements. * - * Can compute values provided as ${formula}, see second example. - * * Note that you can't set the name property of input elements in IE. * Use $(html) or .append(html) or .html(html) to create elements * on the fly including the name property. @@ -394,11 +399,6 @@ jQuery.fn = jQuery.prototype = { * @result * @desc Sets src attribute to all images. * - * @example $("img").attr("title", "${this.src}"); - * @before - * @result - * @desc Sets title attribute from src attribute, a shortcut for attr(String,Function) - * * @name attr * @type jQuery * @param String key The name of the property to set. @@ -409,17 +409,25 @@ jQuery.fn = jQuery.prototype = { /** * Set a single property to a computed value, on all matched elements. * - * Instead of a value, a function is provided, that computes the value. + * Instead of supplying a string value as described + * [[DOM/Attributes#attr.28_key.2C_value_.29|above]], + * a function is provided that computes the value. * * @example $("img").attr("title", function() { return this.src }); * @before * @result * @desc Sets title attribute from src attribute. * + * @example $("img").attr("title", function(index) { return this.title + (i + 1); }); + * @before + * @result + * @desc Enumerate title attribute. + * * @name attr * @type jQuery * @param String key The name of the property to set. * @param Function value A function returning the value to set. + * Scope: Current element, argument: Index of current element * @cat DOM/Attributes */ attr: function( key, value, type ) { @@ -428,19 +436,19 @@ jQuery.fn = jQuery.prototype = { // Look for the case where we're accessing a style value if ( key.constructor == String ) if ( value == undefined ) - return jQuery[ type || "attr" ]( this[0], key ); + return this.length && jQuery[ type || "attr" ]( this[0], key ) || undefined; else { obj = {}; obj[ key ] = value; } // Check to see if we're setting style values - return this.each(function(){ + return this.each(function(index){ // Set all the styles for ( var prop in obj ) jQuery.attr( type ? this.style : this, - prop, jQuery.prop(this, obj[prop], type) + prop, jQuery.prop(this, obj[prop], type, index, prop) ); }); }, @@ -546,18 +554,16 @@ jQuery.fn = jQuery.prototype = { text: function(e) { if ( typeof e == "string" ) return this.empty().append( document.createTextNode( e ) ); - else { - e = e || this; - var t = ""; - for ( var j = 0, el = e.length; j < el; j++ ) { - var r = e[j].childNodes; - for ( var i = 0, rl = r.length; i < rl; i++ ) - if ( r[i].nodeType != 8 ) - t += r[i].nodeType != 1 ? - r[i].nodeValue : jQuery.fn.text([ r[i] ]); - } - return t; - } + + var t = ""; + jQuery.each( e || this, function(){ + jQuery.each( this.childNodes, function(){ + if ( this.nodeType != 8 ) + t += this.nodeType != 1 ? + this.nodeValue : jQuery.fn.text([ this ]); + }); + }); + return t; }, /** @@ -762,12 +768,17 @@ jQuery.fn = jQuery.prototype = { }, /** - * End the most recent 'destructive' operation, reverting the list of matched elements - * back to its previous state. After an end operation, the list of matched elements will - * revert to the last state of matched elements. + * Revert the most recent 'destructive' operation, changing the set of matched elements + * to its previous state (right before the destructive operation). * * If there was no destructive operation before, an empty set is returned. * + * A 'destructive' operation is any operation that changes the set of + * matched jQuery elements. These functions are:add
,
+ * children
, clone
, filter
,
+ * find
, not
, next
,
+ * parent
, parents
, prev
and siblings
.
+ *
* @example $("p").find("span").end();
* @before Hello, how are you?
* @result [...
] @@ -805,7 +816,7 @@ jQuery.fn = jQuery.prototype = { find: function(t) { return this.pushStack( jQuery.map( this, function(a){ return jQuery.find(t,a); - }) ); + }), t ); }, /** @@ -826,7 +837,9 @@ jQuery.fn = jQuery.prototype = { */ clone: function(deep) { return this.pushStack( jQuery.map( this, function(a){ - return a.cloneNode( deep != undefined ? deep : true ); + var a = a.cloneNode( deep != undefined ? deep : true ); + a.$events = null; // drop $events expando to avoid firing incorrect events + return a; }) ); }, @@ -916,6 +929,9 @@ jQuery.fn = jQuery.prototype = { * of matched elements. This method is used to remove one or more * elements from a jQuery object. * + * Please note: the expression cannot use a reference to the + * element name. See the two examples below. + * * @example $("p").not( $("div p.selected") ) * @beforeHello
Hello Again
Hello
] @@ -929,14 +945,14 @@ jQuery.fn = jQuery.prototype = { 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; + }) + ); }, /** @@ -944,8 +960,12 @@ jQuery.fn = jQuery.prototype = { * to the set of matched elements. * * @example $("p").add("span") - * @beforeHello
Hello Again - * @result [Hello
, Hello Again ] + * @before (HTML)Hello
Hello Again + * @result (jQuery object matching 2 elements) [Hello
, Hello Again ] + * @desc Compare the above result to the result of$('p')
,
+ * which would just result in [ Hello
]
.
+ * Using add(), matched elements of $('span')
are simply
+ * added to the returned jQuery-object.
*
* @name add
* @type jQuery
@@ -986,7 +1006,10 @@ jQuery.fn = jQuery.prototype = {
add: function(t) {
return this.pushStack( jQuery.merge(
this.get(),
- typeof t == "string" ? jQuery(t).get() : t )
+ t.constructor == String ?
+ jQuery(t).get() :
+ t.length != undefined && (!t.nodeName || t.nodeName == "FORM") ?
+ t : [t] )
);
},
@@ -1019,7 +1042,14 @@ jQuery.fn = jQuery.prototype = {
},
/**
- * Get the current value of the first matched element.
+ * Get the content of the value attribute of the first matched element.
+ *
+ * Use caution when relying on this function to check the value of
+ * multiple-select elements and checkboxes in a form. While it will
+ * still work as intended, it may not accurately represent the value
+ * the server will receive because these elements may send an array
+ * of values. For more robust handling of field values, see the
+ * [http://www.malsup.com/jquery/form/#fields fieldValue function of the Form Plugin].
*
* @example $("input").val();
* @before
@@ -1031,7 +1061,7 @@ jQuery.fn = jQuery.prototype = {
*/
/**
- * Set the value of every matched element.
+ * Set the value attribute of every matched element.
*
* @example $("input").val("test");
* @before
@@ -1099,11 +1129,12 @@ jQuery.fn = jQuery.prototype = {
return this.each(function(){
var obj = this;
- if ( table && this.nodeName.toUpperCase() == "TABLE" && a[0].nodeName.toUpperCase() == "TR" )
+ if ( table && jQuery.nodeName(this, "table") && jQuery.nodeName(a[0], "tr") )
obj = this.getElementsByTagName("tbody")[0] || this.appendChild(document.createElement("tbody"));
- for ( var i = 0, al = a.length; i < al; i++ )
- fn.apply( obj, [ clone ? a[i].cloneNode(true) : a[i] ] );
+ jQuery.each( a, function(){
+ fn.apply( obj, [ clone ? this.cloneNode(true) : this ] );
+ });
});
}
@@ -1111,7 +1142,7 @@ jQuery.fn = jQuery.prototype = {
/**
* Extends the jQuery object itself. Can be used to add functions into
- * the jQuery namespace and to add plugin methods (plugins).
+ * the jQuery namespace and to [[Plugins/Authoring|add plugin methods]] (plugins).
*
* @example jQuery.fn.extend({
* check: function() {
@@ -1217,14 +1248,27 @@ jQuery.extend({
noConflict: function() {
if ( jQuery._$ )
$ = 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();
},
/**
- * A generic iterator function, which can be used to seemlessly
+ * A generic iterator function, which can be used to seamlessly
* iterate over both objects and arrays. This function is not the same
* as $().each() - which is used to iterate, exclusively, over a jQuery
* object. This function can be used to iterate over anything.
@@ -1262,16 +1306,18 @@ jQuery.extend({
return obj;
},
- prop: function(elem, value, type){
+ prop: function(elem, value, type, index, prop){
// Handle executable functions
if ( jQuery.isFunction( value ) )
- return value.call( elem );
+ 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" )
- return value + "px";
-
- return value;
+ return value && value.constructor == Number && type == "curCSS" && !exclude.test(prop) ?
+ value + "px" :
+ value;
},
className: {
@@ -1294,6 +1340,8 @@ jQuery.extend({
// 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 );
}
},
@@ -1316,10 +1364,10 @@ jQuery.extend({
if ( p == "height" || p == "width" ) {
var old = {}, oHeight, oWidth, d = ["Top","Bottom","Right","Left"];
- for ( var i = 0, dl = d.length; i < dl; i++ ) {
- old["padding" + d[i]] = 0;
- old["border" + d[i] + "Width"] = 0;
- }
+ jQuery.each( d, function(){
+ old["padding" + this] = 0;
+ old["border" + this + "Width"] = 0;
+ });
jQuery.swap( e, old, function() {
if (jQuery.css(e,"display") != "none") {
@@ -1395,10 +1443,8 @@ jQuery.extend({
clean: function(a) {
var r = [];
- for ( var i = 0, al = a.length; i < al; i++ ) {
- var arg = a[i];
-
- if ( !arg ) continue;
+ jQuery.each( a, function(i,arg){
+ if ( !arg ) return;
if ( arg.constructor == Number )
arg = arg.toString();
@@ -1426,7 +1472,7 @@ jQuery.extend({
[0,"",""];
// Go to html and back, then peel off extra wrappers
- div.innerHTML = wrap[1] + s + wrap[2];
+ div.innerHTML = wrap[1] + arg + wrap[2];
// Move to the right depth
while ( wrap[0]-- )
@@ -1444,29 +1490,29 @@ jQuery.extend({
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;
+ arg = jQuery.makeArray( div.childNodes );
}
- if ( arg.length === 0 )
- continue;
+ 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 );
- }
+ });
return r;
},
attr: function(elem, name, value){
- var fix = {
+ var fix = jQuery.isXMLDoc(elem) ? {} : {
"for": "htmlFor",
"class": "className",
"float": jQuery.browser.msie ? "styleFloat" : "cssFloat",
@@ -1497,20 +1543,24 @@ jQuery.extend({
// 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;
@@ -1555,21 +1605,22 @@ jQuery.extend({
/**
* Merge two arrays together, removing all duplicates.
*
- * The new array is: All the results from the first array, followed
- * by the unique results from the second array.
+ * The result is the altered first argument with
+ * the unique elements from the second array added.
*
* @example $.merge( [0,1,2], [2,3,4] )
* @result [0,1,2,3,4]
* @desc Merges two arrays, removing the duplicate 2
*
- * @example $.merge( [3,2,1], [4,3,2] )
- * @result [3,2,1,4]
+ * @example var array = [3,2,1];
+ * $.merge( array, [4,3,2] )
+ * @result array == [3,2,1,4]
* @desc Merges two arrays, removing the duplicates 3 and 2
*
* @name $.merge
* @type Array
- * @param Array first The first array to merge.
- * @param Array second The second array to merge.
+ * @param Array first The first array to merge, the unique elements of second added.
+ * @param Array second The second array to merge into the first, unaltered.
* @cat JavaScript
*/
merge: function(first, second) {
@@ -1744,7 +1795,7 @@ new function() {
* Get a set of elements containing the unique parents of the matched
* set of elements.
*
- * Can be filtered with an optional expressions.
+ * You may use an optional expression to filter the set of parent elements that will match.
*
* @example $("p").parent()
* @before Hello
Hello
Hello
Hello AgainHello
Hello Again
Hello
And Again
@@ -1858,7 +1910,8 @@ new function() { * Get a set of elements containing all of the unique children of each of the * matched set of elements. * - * Can be filtered with an optional expressions. + * This set can be filtered with an optional expression that will cause + * only elements matching the selector to be collected. * * @example $("div").children() * @beforeHello
And Again
@@ -2211,7 +2264,7 @@ jQuery.each( [ "eq", "lt", "gt", "contains" ], function(i,n){ */ /** - * Set the CSS width of every matched element. If no explicit unit + * Set the CSS height of every matched element. If no explicit unit * was specified (like 'em' or '%') then "px" is added to the width. * * @example $("p").height(20);