X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=4da1212c1491488a10548c476a7e03e61d78b50c;hb=9029dc02a234ad9699513f81acd1423f9c2c4e30;hp=23d40bd092d263bb425cfba9ab14a7825630faae;hpb=694b625c92c764621532dba20cbf943302b52d5a;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 23d40bd..4da1212 100644
--- a/src/core.js
+++ b/src/core.js
@@ -33,6 +33,9 @@ var jQuery = function( selector, context ) {
 	// Check for non-word characters
 	rnonword = /\W/,
 
+	// Check for digits
+	rdigit = /\d/,
+
 	// Match a standalone tag
 	rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
 
@@ -69,7 +72,10 @@ var jQuery = function( selector, context ) {
 	push = Array.prototype.push,
 	slice = Array.prototype.slice,
 	trim = String.prototype.trim,
-	indexOf = Array.prototype.indexOf;
+	indexOf = Array.prototype.indexOf,
+	
+	// [[Class]] -> type pairs
+	class2type = {};
 
 jQuery.fn = jQuery.prototype = {
 	init: function( selector, context ) {
@@ -88,7 +94,7 @@ jQuery.fn = jQuery.prototype = {
 		}
 		
 		// The body element only exists once, optimize finding it
-		if ( selector === "body" && !context ) {
+		if ( selector === "body" && !context && document.body ) {
 			this.context = document;
 			this[0] = document.body;
 			this.selector = "body";
@@ -209,7 +215,7 @@ jQuery.fn = jQuery.prototype = {
 			this.toArray() :
 
 			// Return just the object
-			( num < 0 ? this.slice(num)[ 0 ] : this[ num ] );
+			( num < 0 ? this[ this.length + num ] : this[ num ] );
 	},
 
 	// Take an array of elements and push it onto the stack
@@ -305,8 +311,11 @@ jQuery.fn = jQuery.prototype = {
 jQuery.fn.init.prototype = jQuery.fn;
 
 jQuery.extend = jQuery.fn.extend = function() {
-	// copy reference to target object
-	var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options, name, src, copy, copyIsArray;
+	 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" ) {
@@ -394,7 +403,7 @@ jQuery.extend({
 		if ( !jQuery.readyWait || (wait !== true && !jQuery.isReady) ) {
 			// Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
 			if ( !document.body ) {
-				return setTimeout( jQuery.ready, 13 );
+				return setTimeout( jQuery.ready, 1 );
 			}
 
 			// Remember that the DOM is ready
@@ -408,18 +417,21 @@ jQuery.extend({
 			// If there are functions bound, to execute
 			if ( readyList ) {
 				// Execute all of them
-				var fn, i = 0;
-				while ( (fn = readyList[ i++ ]) ) {
-					fn.call( document, jQuery );
-				}
+				var fn,
+					i = 0,
+					ready = readyList;
 
 				// Reset the list of functions
 				readyList = null;
-			}
 
-			// Trigger any bound ready events
-			if ( jQuery.fn.triggerHandler ) {
-				jQuery( document ).triggerHandler( "ready" );
+				while ( (fn = ready[ i++ ]) ) {
+					fn.call( document, jQuery );
+				}
+
+				// Trigger any bound ready events
+				if ( jQuery.fn.trigger ) {
+					jQuery( document ).trigger( "ready" ).unbind( "ready" );
+				}
 			}
 		}
 	},
@@ -434,7 +446,8 @@ jQuery.extend({
 		// Catch cases where $(document).ready() is called after the
 		// browser event has already occurred.
 		if ( document.readyState === "complete" ) {
-			return jQuery.ready();
+			// Handle it asynchronously to allow scripts the opportunity to delay ready
+			return setTimeout( jQuery.ready, 1 );
 		}
 
 		// Mozilla, Opera and webkit nightlies currently support this event
@@ -484,10 +497,14 @@ jQuery.extend({
 		return obj && typeof obj === "object" && "setInterval" in obj;
 	},
 
+	isNaN: function( obj ) {
+		return obj == null || !rdigit.test( obj ) || isNaN( obj );
+	},
+
 	type: function( obj ) {
 		return obj == null ?
 			String( obj ) :
-			toString.call(obj).slice(8, -1).toLowerCase();
+			class2type[ toString.call(obj) ] || "object";
 	},
 
 	isPlainObject: function( obj ) {
@@ -667,7 +684,8 @@ jQuery.extend({
 	},
 
 	merge: function( first, second ) {
-		var i = first.length, j = 0;
+		var i = first.length,
+			j = 0;
 
 		if ( typeof second.length === "number" ) {
 			for ( var l = second.length; j < l; j++ ) {
@@ -715,6 +733,7 @@ jQuery.extend({
 			}
 		}
 
+		// Flatten any nested arrays
 		return ret.concat.apply( [], ret );
 	},
 
@@ -799,6 +818,11 @@ jQuery.extend({
 	browser: {}
 });
 
+// Populate the class2type map
+jQuery.each("Boolean Number String Function Array Date RegExp Object".split(" "), function(i, name) {
+	class2type[ "[object " + name + "]" ] = name.toLowerCase();
+});
+
 browserMatch = jQuery.uaMatch( userAgent );
 if ( browserMatch.browser ) {
 	jQuery.browser[ browserMatch.browser ] = true;
@@ -862,6 +886,11 @@ function doScrollCheck() {
 	jQuery.ready();
 }
 
+// Expose jQuery as an Asynchronous Module
+if ( typeof define === "function" ) {
+	define( "jquery", [], function () { return jQuery; } );
+}
+
 // Expose jQuery to the global object
 return (window.jQuery = window.$ = jQuery);