Optimizing isXMLDoc.

This commit is contained in:
John Resig 2009-07-22 17:30:17 +00:00
parent 6fc57be843
commit b964e56946

View file

@ -311,8 +311,7 @@ jQuery.extend({
// check if an element is in a (or is an) XML document
isXMLDoc: function( elem ) {
return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
!!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML";
return (elem.ownerDocument || elem).documentElement.nodeName !== "HTML";
},
// Evalulates a script in a global context