X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=8940ada2bdf37aec3a7296d2dc38ccb852c5c27e;hb=fb48ae8e6cca25fd29ef2b1eb23e9efa7b0eef7c;hp=158f47998ef137564de8ccc059c1b0c7884bb23c;hpb=484cc6e22000aaa6cefab5752b165f6ebd62ffe1;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 158f479..8940ada 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>)?$/,
 
@@ -91,7 +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";
@@ -308,8 +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" ) {
@@ -397,7 +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
@@ -421,8 +427,8 @@ jQuery.extend({
 			}
 
 			// Trigger any bound ready events
-			if ( jQuery.fn.triggerHandler ) {
-				jQuery( document ).triggerHandler( "ready" );
+			if ( jQuery.fn.trigger ) {
+				jQuery( document ).trigger( "ready" ).unbind( "ready" );
 			}
 		}
 	},
@@ -437,7 +443,8 @@ 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
@@ -487,6 +494,10 @@ 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 ) :
@@ -670,7 +681,8 @@ 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++ ) {