ActionScript 3.0 Language Specification

This document defines the ActionScript 3.0 language, which is designed to be forward- compatible with the next edition of ECMAScript (ECMA-262).

This document is complete in the syntax and high-level semantics of the language, but lacks details regarding features that have not changed from the ECMA-262 edition 3 specification, compatibility with ActionScript 2.0, and low-level semantics of some new features.

Comments

No screen name said on Sep 27, 2007 at 7:30 PM :

this is worst page on internet where is the doc thx

Francis Cheng said on Sep 29, 2007 at 12:09 AM :

Sounds like you have the navigation frame hidden. Click on the "Show Navigation" icon in the upper-left-hand corner of the browser window. The navigation frame will then become visible on the left-hand side of the window.

Marco Martillo said on Jan 17, 2008 at 4:22 AM :

The LiveDocs are very unfriendly. I would like to access the ActionScript Specification as a PDF format single file so I can use it as reference while I work with Flash designs.

ckstein said on Jan 28, 2009 at 8:47 AM :

I have used Adobe Docs before and so I knew where to look for the "Show Navigation" however it is annoying to always have to click that and in general the way the documentation works is unfriendly as the previous poster has said.

Another example is the search. Type in "Document Class" which is one of the big new additions to AS3 and you get no results. A little bit more intelligence and tuning on the search please?

Current page: http://livedocs.adobe.com/specs/actionscript/3/as3_specification.html