var removeEvent = document.removeEventListener ?
function( elem, type, handle ) {
- elem.removeEventListener( type, handle, false );
+ if ( elem.removeEventListener ) {
+ elem.removeEventListener( type, handle, false );
+ }
} :
function( elem, type, handle ) {
- elem.detachEvent( "on" + type, handle );
+ if ( elem.detachEvent ) {
+ elem.detachEvent( "on" + type, handle );
+ }
};
jQuery.Event = function( src ) {