ActionScript has changed a lot. ActionScript 3 shares a core with JavaScript, and it still supports closures and prototype-based inheritance. If you insist. But

ActionScript has changed a lot. ActionScript 3 shares a core with JavaScript, and it still supports closures and prototype-based inheritance. If you insist. But the thing is, nobody uses those features anymore. Class-based inheritance and encapsulation are so much nicer to use. Most modern ActionScript 3 code looks like Java.