You use ActionScript code to create ActionScript components for Adobe® Flex®, or to add logic to MXML components. ActionScript provides flow control and object manipulation features that are not available in MXML.

The summary of the general rules for using ActionScript code in custom components in this topic supplements the information in the ActionScript reference documentation. For additional information on ActionScript, see the following resources:

• Adobe Flex Language Reference: Contains the API reference for ActionScript 3.0.
• Programming ActionScript 3.0: Contains information on using ActionScript 3.0.

• Using ActionScript