Blackberry 4.6 is capable of finding elements that are no longer in the DOM...

Blackberry 4.6 is capable of finding elements that are no longer in the DOM via getElementById. It only appears to happen when the node has been inside of a cloned Document Fragment. Fixes #6963.

src/core.js

@@ -119,7 +119,9 @@ jQuery.fn = jQuery.prototype = {
 				} else {
 					elem = document.getElementById( match[2] );
 
-					if ( elem ) {
+					// Check parentNode to catch when Blackberry 4.6 returns
+					// nodes that are no longer in the document #6963
+					if ( elem && elem.parentNode ) {
 						// Handle the case where IE and Opera return items
 						// by name instead of ID
 						if ( elem.id !== match[2] ) {