ActionScript 3.0

ActionScript 1.0   2.0     3.0  
Flash Player 4 5 6 7 8 9 10

Key Features

  • New version of ActionScript (new Virtual Machine)
  • Class-based definitions
  • Runtime-enforced types and member access
  • Concept of display list for visual objects
  • Enhanced event handling
  • E4X for XML
  • Regular Expressions

Summary

ActionScript 3.0 is the first version of ActionScript that really is a new version of ActionScript.