Learn more about the different versions of ActionScript, how to use them, and how to migrate projects from one version of ActionScript to another.
Latest Update: The Events
article is
now in a section titled "evolution." It's meant to cover more general
changes of behavior and APIs throughout all versions of ActionScript
and Flash Player. More will be added there soon.
There's also now a section for AIR, Flash Lite, and Frameworks.
AIR and Flash Lite have little to no content now. Frameworks has some
minimal information. Again, more will be added soon.