The real difference between ActionScript 1.0 and ActionScript 2.0 prowls around how each of them approaches Object-Oriented Programming (OOP). Now that ActionScript 2.0 includes a formal OOP architecture, the days of hacks will be over very soon. In this context, Colin Moock's "Essential ActionScript 2.0" explores in detail the basic principles of OOP in the scripting language of Macromedia's Flash.
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