4 ms·
http://dev.jquery.com/browser/trunk/jquery/src/event.js#L802 http://dev.jquery.com/browser/trunk/jquery/src/event.js#L802
by enomar 17y ago
http://dev.jquery.com/browser/trunk/jquery/src/event.js#L802 http://dev.jquery.com/browser/trunk/jquery/src/event.js#L802