Fix #6593. Don't trigger `change` event twice when simulating it on IE.

diff --git a/src/event.js b/src/event.js
index 080e9d474989771d47b6b268bb5d3a2c9b6f185e..4b50f93a2ab072e3b5ec3a37141f5a6ee18a45b8 100644 (file)
--- a/src/event.js
+++ b/src/event.js
@@ -799,8 +799,8 @@ if ( !jQuery.support.changeBubbles ) {
                        jQuery._data( elem, "_change_data", val );
                }
 
-               if ( val !== old && old != null ) {
-                       simulate( "change", elem,  e, true );
+               if ( val !== old && old != null && elem.parentNode ) {
+                       simulate( "change", elem.parentNode,  e, true );
                }
        },