X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;f=src%2Fattributes.js;h=17c18c9bf3cab6094dbb71d10ff50b36823c31d1;hb=649024909d376032e6e9c41f209182d584e51043;hp=0a60b0d74bb41e88def55c26e25209e13dace58b;hpb=638c093b857197c0b25bd8b1ba5a9b00f82b39d5;p=jquery.git

diff --git a/src/attributes.js b/src/attributes.js
index 0a60b0d..17c18c9 100644
--- a/src/attributes.js
+++ b/src/attributes.js
@@ -1,3 +1,5 @@
+var rclass = /[\n\t]/g;
+
 jQuery.fn.extend({
 	attr: function( name, value ) {
 		return access(this, name, value, true, jQuery.attr);
@@ -49,7 +51,7 @@ jQuery.fn.extend({
 
 				if ( elem.nodeType === 1 && elem.className ) {
 					if ( value ) {
-					var className = " " + elem.className + " ";
+						var className = (" " + elem.className + " ").replace(rclass, " ");
 						for ( var c = 0, cl = classNames.length; c < cl; c++ ) {
 							className = className.replace(" " + classNames[c] + " ", " ");
 						}
@@ -67,7 +69,7 @@ jQuery.fn.extend({
 	hasClass: function( selector ) {
 		var className = " " + selector + " ";
 		for ( var i = 0, l = this.length; i < l; i++ ) {
-			if ( (" " + this[i].className + " ").indexOf( className ) > -1 ) {
+			if ( (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) > -1 ) {
 				return true;
 			}
 		}
@@ -221,7 +223,7 @@ jQuery.extend({
 			return undefined;
 		}
 
-		if ( name in jQuery.attrFn ) {
+		if ( name in jQuery.attrFn && value !== undefined ) {
 			return jQuery(elem)[name](value);
 		}