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I came across this in some JS code I was working on:
if ( typeof( e.isTrigger ) == 'undefined' ) {
// do some stuff
}
This seems to be part of jQuery. As far as I can see it tells you if an event originated with the user or automatically.
Is this right? And given that it’s not documented, is there a way of finding such things out without going behind the curtain of the jQuery API?
In jQuery 1.7.2 (unminified) line 3148 contains
event.isTrigger = true;nested within the trigger function. So yes, you are correct – this is only flagged when you use.trigger()and is used internally to determine how to handle events.