Flash Cookbook - Tricks - Reach property of subclass from baseclass, crosslinking
If you extend a base class and still want to reach properties of the subclass, use the hasOwnProperty method.
if(this.hasOwnProperty(PROPERTY_NAME_STRING)) this[PROPERTY_NAME_STRING] do something;
This wouldn't work:
This is useful, if you have different subclasses of the same baseclass, but want to assign unique variables or functions to each subclass.
Note: it's better to make the specific property public.