Shortened the isXMLDoc code, based upon recommendation from Andrea.

255a293c · John Resig · 2cd9ee35 · 255a293c
Commit 255a293c authored Jul 27, 2009 by John Resig
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core.js src/core.js +1 -2

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--- a/src/core.js
+++ b/src/core.js
@@ -315,8 +315,7 @@ jQuery.extend({
 	isXMLDoc: function( elem ) {
 		// documentElement is verified for cases where it doesn't yet exist
 		// (such as loading iframes in IE - #4833)
-		var documentElement = (elem.ownerDocument || elem).documentElement;
+		return ((elem.ownerDocument || elem).documentElement || 0).nodeName !== "HTML";
-		return !!documentElement && documentElement.nodeName !== "HTML";
 	},
 	// Evalulates a script in a global context