object uses method not listed in Watch expression

[fvil...@gmail.com]

1. In the code (generated by Adobe Animate CC - see screenshot) , the stage object calls a method called addChild. I don't see that method listed in the breakdown of the object in the Watch section. What gives?
   
2. Where should I look for a list of events triggered by the object? I want to trigger code when the animation finishes.
3. What general advice would you give to people trying to understand/tweak existing code in this way?

[PhistucK]

1. I guess it is on the prototype/class/inheritance, so scroll down to see __proto__, expand it and you should see that method (or in its __proto__).

2. It depends on how events are defined. If they are initially defined on the object as oneventname = null, then they might show up like any other property, either on the instance or in the __proto__. If they are defined using addListener or the like, then each object defines its own way of firing events, storing its possible event list or listening to events.

☆PhistucK

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[francis vila]

Gotcha! So __proto__ means "attributes and methods from parent classes" (I wouldn't have guessed). And the rule seems to be "if you don't see an attribute, scroll down and click on __proto__ , then repeat step again and again until it appears. Useful!

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