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ActionScript 3 Complete Course / Events

addEventListener

Learn addEventListener in ActionScript 3 with a construct-specific explanation, a unique example, a practical boundary, and a mastery check.

12 min read • Intermediate

addEventListener 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 addEventListener 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

actionscript-05-02-addeventlistener.as
actionscript Try It Live 
addEventListener("save", function(e:Event):void { trace("saved"); });
Edge case / engineering note

Check the input collection shape, whether the operation mutates or returns a new value, and what happens for an empty collection.

Content source & attribution
Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

addEventListener Mastery Check →
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EventDispatcher
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removeEventListener