Programming ActionScript 3.0 
Programming ActionScript 3.0 |
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| Handling errors > Comparing the Error classes | |||
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ActionScript provides a number of predefined Error classes. Many of these classes are used by Flash Player, but you can also use the same Error classes in your own code. There are two main types of Error classes in ActionScript 3.0: ActionScript core Error classes and flash.error package Error classes. The core Error classes are prescribed by the ECMAScript (ECMA-262) edition 4 draft language specification. The flash.error package contents are additional classes introduced to aid ActionScript 3.0 application development and debugging.
ActionScript core Error classes
flash.error package Error classes
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