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Flash - ActionScript Syntax

501 ActionScript
Flash Compatibility: MX

Written by: Phil

Length: 4100 words

Assumed Knowledge: Some familiarity in using Flash.

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The aim of this tutorial is to learn the basic components of ActionScript syntax. The syntax is the basic grammar of the language. If you get it wrong your script won't work. This tutorial is designed to show you some of the pitfalls that occur, how to avoid them and if need be debug your ActionScript. This tutorial should also help you with reading and writing your script.

ActionScript is quite forgiving, in that you can make all sorts of errors and the script will still work. But some errors are critical. For example part of ActionScript is case sensitive. The difference between typing a capital instead of a lower case letter may make the entire script useless. There are several tools which help a great deal in enabling you to write ActionScript with correct syntax. By mastering a few basic concepts and learning about the tools available to help you, ActionScript syntax is relatively straight forward to learn.

This tutorial is designed to give you a general idea of how your script should look and read. How to trouble shoot your ActionScript, test the script and resolve bugs and common errors.

The tutorial covers the following topics:

• Actions Panel - Attaching Script to an object
• Actions Panel - Normal and Expert Mode
• Line Endings
• Use of the Semi Colon ;
• Comments //
• Use of the Brackets ( ) & Curly Braces { }
• ActionScript Layout
• Auto Format
• Naming in ActionScript
• Spacing
• Dot Syntax
• Strings
• Colour Coding
• Keywords and Identifiers
• Debugging and Checking your Code
• Check List
• Bugs

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