ActionScript programmers who are used to working in Flash have always been encouraged to keep code out of individual frames and movie clips as much as possible. In ActionScript 2.0, this usually meant either keeping function libraries in external files (and bringing them in using #include), or creating AS2 class files. Some [...]

For most Flash designers, the Movie Clip has been an important and rather indispensable building-block for creating dynamic Flash web sites and applications. Movie Clip symbols are very intuitive and easy to relate to, mainly because of the metaphors of ‘timelines’, ‘frames’, ‘keyframes’, ‘layers’, and ‘clips within clips’, as well as the ease [...]