If you're ready to develop Rich Internet Applications with Flash, learning ActionScript 3.0 is a must. This Quick Answer Guide is designed specifically to help Flash designers and developers make the leap from AS2 to AS3 quickly and painlessly. Written by Flash insiders with extensive knowledge of the technology, this guide points out the key differences between AS2 and the new object-oriented version of the language -- such as where your favorite language features went, and how your approach to workflow will change. You also get overviews of AS3's features and object orientation in general, plus solutions for handling more than three dozen programming tasks with AS3. Formatted so you can find any topic easily, ActionScript 3: The Quick Answer Guide for Flash Professionals explains: Object-oriented programming (OOP) concepts, such as packages and classes ActionScript 3 features, performance, and design patterns Workflow differences between AS2 and AS3 including tools, code editing, component sets, and image and font rendering Where did it go? A guide to help you find familiar features in AS3, such as global functions, operators, statements, and every class from accessibility to XML How do I? Step-by-step solutions for performing tasks with AS3, including input, sound, video, color, display, events, text, debugging, and more The Quick Answer Guide also demonstrates how you can leverage AS3 skills across various platforms such as Flex and Adobe AIR. AS3 is a huge upgrade to Flash's programming language, with enhancements to its performance, feature set, cleanliness, and sophistication. This guide helps you upgrade your programming abilities to match it.