Fixed the logic for determining if an XML file is being used. Fixes j…

…Query bug #3896.
jquery · Jan 19, 2009 · d6e5414 · d6e5414
1 parent 1d513ef
commit d6e5414
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/selector.js b/src/selector.js
@@ -809,8 +809,8 @@ var contains = document.compareDocumentPosition ?  function(a, b){
 };
 
 var isXML = function(elem){
-	return elem.documentElement && !elem.body ||
-		elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
+	return elem && elem.nodeType === 9 && elem.nodeName !== "HTML" ||
+		isXML( elem.ownerDocument );
 };
 
 var posProcess = function(selector, context){