My bookmarks:
- Flex SDK coding conventions and best practices
- The ActionScript Wiki (Joa Ebert)
Contains information about ActionScript optimizations, data structures and code snippets. - ActionScript 3.0 optimization techniques (PDF 152KB, Joa Ebert)
- Java Code Conventions (PDF 128KB)
- Case Study : ActionScript 3.0 Performance Optimization (Mike Chambers)
Migration to ActionScript 3.0:
- ActionScript Technology Center: Migrating to ActionScript 3.0
Resources to get started with AS3. - Differences between ActionScript 2.0 and 3.0
- Adobe Flex 3 – Programming ActionScript 3.0 (PDF 7,8MB)
- Programmieren mit ActionScript 3.0 (PDF 5,3MB)
ActionScript 3.0 is based on ECMAScript, it would therefore be advisable to follow those links too:
- ECMAScript Documentation
- ECMAScript Language Specification (PDF 2,9MB)
Final Draft Standard ECMA-262
