In a nutshell

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if sum 3 about. have dealt , objects. dont know 2 either have been out of loop years , applying oo methodology doing here in flash.
thanks

as2 same as1. offers new syntax (class files, compile time type checking, case sensitivity) gets compiled same bytecode as1.

as3 new. read language features on page, summary:
http://www.adobe.com/devnet/actionscript/articles/actionscript3_overview.html

as3 being 'strict'. advantage being strict can better performance, , development on large projects can potentially easier manage down road (because syntax more structured).

the disadvantage it's not easy.


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