From 299bc655c90cc89652417675f976ae1bfefc4d8b Mon Sep 17 00:00:00 2001
From: Rick Waldron <waldron.rick@gmail.com>
Date: Mon, 21 Nov 2011 13:25:46 -0500
Subject: Landing pull request 581. Updates original patch by Orkel. Fixes
 #10006.

More Details:
 - https://github.com/jquery/jquery/pull/581
 - http://bugs.jquery.com/ticket/10006
---
 src/effects.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/effects.js')

diff --git a/src/effects.js b/src/effects.js
index 5c6a20bbb..2dad23eba 100644
--- a/src/effects.js
+++ b/src/effects.js
@@ -38,7 +38,8 @@ jQuery.fn.extend({
 					// Set elements which have been overridden with display: none
 					// in a stylesheet to whatever the default browser style is
 					// for such an element
-					if ( display === "" && jQuery.css(elem, "display") === "none" ) {
+					if ( (display === "" && jQuery.css(elem, "display") === "none") ||
+							!jQuery.contains( elem.ownerDocument.documentElement, elem ) ) {
 						jQuery._data( elem, "olddisplay", defaultDisplay(elem.nodeName) );
 					}
 				}
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