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Essential ActionScript 3.0 by Colin Moock

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Quick Review

The past several pages covered a lot of ground. Let's review what we've covered so far.

An ActionScript program is a set of instructions to be executed by one of the Flash runtimes: Flash Player, Adobe AIR, or Flash Lite. ActionScript programs can be written in a text editor, Flex Builder, or the Flash authoring tool. In order to run an ActionScript program, we must first compile it into a .swf file using a SWF compiler such as the Flash compiler included with the Flash authoring tool, or mxmlc, which is included with both Flex Builder 2 and the Flex 2 SDK.

Don't worry if some of the preceding concepts or terms are new to you. We'll be applying them abundantly over the next 900-plus pages.

Now let's write some code!

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