From 9360cccc9eb276cfd571066d87bb099d5d109516 Mon Sep 17 00:00:00 2001
From: jeresig <jeresig@gmail.com>
Date: Tue, 22 Dec 2009 13:28:46 -0500
Subject: [PATCH] Forgot to make sure that oldData actually had data in it
 before the copy attempt.

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

diff --git a/src/manipulation.js b/src/manipulation.js
index 27bc0b46b..2af2d7e7d 100644
--- a/src/manipulation.js
+++ b/src/manipulation.js
@@ -283,7 +283,7 @@ function cloneCopyEvent(orig, ret) {
 			return;
 		}
 
-		var oldData = jQuery.data( orig[i++] ), curData = jQuery.data( this, oldData ), events = oldData.events;
+		var oldData = jQuery.data( orig[i++] ), curData = jQuery.data( this, oldData ), events = oldData && oldData.events;
 
 		if ( events ) {
 			delete curData.handle;
-- 
2.39.5