[js code hints] no code hint for jQuery.Event in on( events, handler(eventObject)).

[jodyzhang]

This is an issue tracking mentioned in #3786, not sure we will be able to enable it.

try to get code hint for event. in following
$("#target").on("click", function(event) {event.<cursor>});
->code hint just receives guesses.

Expect:
jQuery.Event properties.

[redmunds]

Was assigned to tern team, so marking "Needs Review".