Make sure that the script is removed only if it's actually in the pag…

…e still. Fixes #4934.
jquery · Jul 22, 2009 · fe80b5af45049d1c8d10682eb1075f838d52a045 · fe80b5a
1 parent 4e8f0c9
commit fe80b5af45049d1c8d10682eb1075f838d52a045
Unified Split

Showing with 3 additions and 1 deletion.

+3 −1 src/ajax.js
diff --git a/src/ajax.js b/src/ajax.js
@@ -296,7 +296,9 @@ jQuery.extend({
 
 						// Handle memory leak in IE
 						script.onload = script.onreadystatechange = null;
-						head.removeChild( script );
+						if ( head && script.parentNode ) {
+							head.removeChild( script );
+						}
 					}
 				};
 			}