JavaScript: It’s Not Just for Browsers Any More(pragprog.com)

  package com.example
  {
      import flash.text.TextField;
      import flash.display.Sprite;

      public class Greeter extends Sprite
      {
          public function Greeter()
          {
              var txtHello:TextField = new TextField();
              txtHello.text = "Hello World";
              addChild(txtHello);
          }
      }
  }

    var promise_a = do_A();
    promise_a.onSuccess(do_C);
    var promise_b = do_B();
    promise_b.onSuccess(do_D);

    var promise_group = new PromiseGroup([promise_a, promise_b]);
    promise_group.onSuccess(do_E);