X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=9279d179ab57366282bca78d4f1761d998f1cd70;hb=63bfe1ded1fe01d326594e9a757a2c2ceab8d8ae;hp=74fd6fcb3cdc8f18c095260fca6778caee92ac0a;hpb=a27b5d0468acc5dd8cdfcbff9464546b353e3c04;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 74fd6fc..9279d17 100644
--- a/src/core.js
+++ b/src/core.js
@@ -90,9 +90,6 @@ jQuery.fn = jQuery.prototype = {
 		return this.length;
 	},
 
-	// The number of elements contained in the matched element set
-	length: 0,
-
 	// Get the Nth element in the matched element set OR
 	// Get the whole matched element set as a clean array
 	get: function( num ) {
@@ -357,11 +354,10 @@ jQuery.fn = jQuery.prototype = {
 	},
 
 	val: function( value ) {
-		if ( value == undefined ) {
-
-			if ( this.length ) {
-				var elem = this[0];
+		if ( value == undefined ) {			
+			var elem = this[0];
 
+			if ( elem ) {
 				if( jQuery.nodeName( elem, 'option' ) )
 					return (elem.attributes.value || {}).specified ? elem.value : elem.text;
 				
@@ -393,11 +389,11 @@ jQuery.fn = jQuery.prototype = {
 						}
 					}
 
-					return values;
+					return values;				
+				}
 
 				// Everything else, we just grab the value
-				} else
-					return (this[0].value || "").replace(/\r/g, "");
+				return (elem.value || "").replace(/\r/g, "");
 
 			}
 
@@ -616,10 +612,14 @@ jQuery.extend({
 	},
 
 	// See test/unit/core.js for details concerning this function.
-	// Since 1.3 DOM methods and function like alert
+	// Since version 1.3, DOM methods and functions like alert
 	// aren't supported. They return false on IE (#2968).
+	
+	// Memory leaks appear in IE6 when applying instanceof 
+	// to the window, document or any other COM object (#3485)
+	// http://ajaxian.com/archives/working-aroung-the-instanceof-memory-leak
 	isFunction: function( fn ) {
-		return fn instanceof Function;
+		return !!fn && !!fn.hasOwnProperty && fn instanceof Function;
 	},
 
 	// check if an element is in a (or is an) XML document
@@ -1129,13 +1129,15 @@ jQuery.extend({
 		return (text || "").replace( /^\s+|\s+$/g, "" );
 	},
 
+	// NOTE: Due to the conflict with Scriptaculous (http://dev.jquery.com/ticket/3248)
+	// We remove support for functions since jQuery 1.3
 	makeArray: function( array ) {
 		var ret = [];
 
 		if( array != null ){
 			var i = array.length;
-			//the window, strings and functions also have 'length'
-			if( i == null || array.split || array.setInterval || array.call )
+			// The window, strings (and functions) also have 'length'
+			if( i == null || typeof array == 'string' || array.setInterval )
 				ret[0] = array;
 			else
 				while( i )