From: John Resig <jeresig@gmail.com>
Date: Thu, 26 Aug 2010 16:51:37 +0000 (-0400)
Subject: Only attempt to use the IE technique for setting opacity if the filter property exist... 
X-Git-Tag: 1.4.3rc1~142
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=5673e4bc3aa5991dfa51de5cb6d7027f2545ad03;p=jquery.git

Only attempt to use the IE technique for setting opacity if the filter property exists (otherwise fallback to the standards-compatible technique).
---

diff --git a/src/css.js b/src/css.js
index ad0da6469..cb65c0ba3 100644
--- a/src/css.js
+++ b/src/css.js
@@ -49,7 +49,7 @@ jQuery.extend({
 		var style = elem.style || elem, set = value !== undefined;
 
 		// IE uses filters for opacity
-		if ( !jQuery.support.opacity && name === "opacity" ) {
+		if ( !jQuery.support.opacity && name === "opacity" && style.filter ) {
 			if ( set ) {
 				// IE has trouble with opacity if it does not have layout
 				// Force it by setting the zoom level