X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;f=src%2Fattributes.js;h=3e4c5f21629776a5f4e5bdf33699790c8761483b;hb=726fda08bea7bbd72d73be4563aba855c63966fe;hp=004c6b30ca0bd1dfa4f02cc6cc05502acd904742;hpb=21e15219be8e04b3fe25d05a65abfaef96830b9f;p=jquery.git

diff --git a/src/attributes.js b/src/attributes.js
index 004c6b3..3e4c5f2 100644
--- a/src/attributes.js
+++ b/src/attributes.js
@@ -43,7 +43,7 @@ jQuery.fn.extend({
 						var className = " " + elem.className + " ";
 						for ( var c = 0, cl = classNames.length; c < cl; c++ ) {
 							if ( className.indexOf( " " + classNames[c] + " " ) < 0 ) {
-								elem.className += " " + classNames[c];
+								elem.className = jQuery.trim( elem.className + " " + classNames[c] );
 							}
 						}
 					}
@@ -74,7 +74,7 @@ jQuery.fn.extend({
 						for ( var c = 0, cl = classNames.length; c < cl; c++ ) {
 							className = className.replace(" " + classNames[c] + " ", " ");
 						}
-						elem.className = className.substring(1, className.length - 1);
+						elem.className = jQuery.trim( className );
 
 					} else {
 						elem.className = "";
@@ -281,7 +281,7 @@ jQuery.extend({
 				if ( set ) {
 					// We can't allow the type property to be changed (since it causes problems in IE)
 					if ( name === "type" && rtype.test( elem.nodeName ) && elem.parentNode ) {
-						throw "type property can't be changed";
+						jQuery.error( "type property can't be changed" );
 					}
 
 					elem[ name ] = value;
@@ -330,7 +330,7 @@ jQuery.extend({
 		}
 
 		// elem is actually elem.style ... set the style
-		// Using attr for specific style information is now deprecated. Use style insead.
+		// Using attr for specific style information is now deprecated. Use style instead.
 		return jQuery.style( elem, name, value );
 	}
 });