From 4e0bc169df0f6dee45fe7c19925216453b431ebb Mon Sep 17 00:00:00 2001
From: Dave Methvin <dave.methvin@gmail.com>
Date: Sun, 6 Jan 2013 21:47:02 -0500
Subject: [PATCH] Fix #12863. Prevent oldIE from calling `.removeAttribute`

---
 src/manipulation.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/manipulation.js b/src/manipulation.js
index e8c0fe46f..3393dd0a5 100644
--- a/src/manipulation.js
+++ b/src/manipulation.js
@@ -780,7 +780,7 @@ jQuery.extend({
 						if ( deleteExpando ) {
 							delete elem[ internalKey ];
 
-						} else if ( elem.removeAttribute ) {
+						} else if ( typeof elem.removeAttribute !== "undefined" ) {
 							elem.removeAttribute( internalKey );
 
 						} else {
-- 
2.39.5