Today, if you're a Flash developer, one thing is certain: Animation skills, no matter how phenomenal, are no longer enough. A firm grasp of ActionScript is essential because without it, only the most elementary interactivity is possible. By acquiring an in-depth knowledge of ActionScript, you can:
Add to these benefits the fact that viewing and interacting with Flash content can be more than just a Web experience. Flash can create self-running applications or mini-programs that operate independently of the browser a capability more and more people are putting to use to create games, learning applications, and more. If you want to do this, too, you need at least an intermediate knowledge of ActionScript.