ActionScript for Flash MX: The Definitive Guide, 2nd Edition By Colin Moock
Chapter 2. Variables
2.8 Onward!
Now that we know the fundamentals of storing information in variables, including advanced topics such as variable scope, it's time we learn something more about the content that variables store: data. Over the next three chapters, we'll learn what data is, how it can be manipulated, and why it's an essential part of nearly everything we build with ActionScript.
