Per @gibson042, don't need .documentElement since Sizzle handles.

jquery · Jul 26, 2012 · 14f67a9 · 14f67a9
1 parent 0a1be43
commit 14f67a9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/css.js b/src/css.js
@@ -45,7 +45,7 @@ function vendorPropName( style, name ) {
 
 function isHidden( elem, el ) {
 	elem = el || elem;
-	return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument.documentElement, elem );
+	return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
 }
 
 function showHide( elements, show ) {