December 2007
Beginner
382 pages
13h 12m
English
Content preview from Learning ActionScript 3.0Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 1. ACTIONSCRIPT OVERVIEW
While you likely know what ActionScript is and are eager to begin working with the new version, a brief overview of its development will give you some insight into its use—particularly related to Flash Player and how it handles different versions of ActionScript. This brief introductory chapter will give you a quick look at where ActionScript 3.0 fits into your workflow, and will cover:
What Is ActionScript 3.0? It’s to be expected that a new version of ActionScript will bring with it new features. However, this version has been written anew from the ground up and is even handled separately from previous versions of ActionScript at runtime. This intentional splintering of Flash Player affords significant performance increases, but also brings with it limitations as to how multiple versions of ActionScript interact.
The Flash Platform. At the time of this writing, ActionScript 3.0 is the internal programming language of Flex and AIR (the Adobe Integrated Runtime application). Differences in compiling and environment-specific attributes prevent every file written in ActionScript 3.0 from working in every aspect of the Flash Platform, but the fundamentals—indeed the bulk—of the language is the same throughout.
Procedural Versus Object-Oriented Programming. A great deal of attention has been focused on the object-oriented programming (OOP) capabilities of ActionScript 3.0, and the power and robustness of the language really shine in this area. However, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.