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getDefinitionByName
Learn getDefinitionByName in ActionScript 3 with a construct-specific explanation, a unique example, a practical boundary, and a mastery check.
getDefinitionByName is an atomic ActionScript 3 topic inside Runtime & Utilities. The example below uses the actual construct named by the lesson rather than a generic placeholder.
Focus on what getDefinitionByName 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.getDefinitionByName; var cls:Class=getDefinitionByName("flash.display.Sprite") as Class; var s:Object=new cls();
Change the key input in this ActionScript 3 example and predict the result first; the named construct should be the reason the behavior changes.