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TimerEvent
Learn TimerEvent in ActionScript 3 with a construct-specific explanation, a unique example, a practical boundary, and a mastery check.
TimerEvent is an atomic ActionScript 3 topic inside Events. The example below uses the actual construct named by the lesson rather than a generic placeholder.
Focus on what TimerEvent changes: the input, binding, control path, object state, collection, runtime effect, or language contract. Then alter one value and verify that the behavior changes for a reason specific to this feature.
Topic-specific example
import flash.utils.Timer; import flash.events.TimerEvent; var timer:Timer=new Timer(1000,1); timer.addEventListener(TimerEvent.TIMER,function(e:TimerEvent):void{trace("tick");}); timer.start();
Observe when work actually runs, what state crosses the asynchronous boundary, and how completion or failure is surfaced.