Overview of the ActionScript 3.0 Language and Components Reference

The ActionScript 3.0 Language Reference is a reference manual for the application programming interfaces (APIs) for Flash^® Player and Adobe AIR^®.

This version includes new ActionScript classes, methods, and properties that support the Adobe AIR runtime environment. Where possible, new AIR-specific items have been indicated by this small icon next to their names:

This manual provides information on the syntax and usage of supported elements in the ActionScript language. It includes the following sections:

Language elements, such as globals, operators, statements, keywords, directives, and special types
Packages
Alphabetical entries for class elements
An index containing all entries
An appendix that compares some key language and API changes from ActionScript 2.0 to ActionScript 3.0
An appendix that describes the SQL syntax for use with local databases in AIR 1.0
Appendixes of errors and warnings with annotations

This reference is available in several forms, including the Help Panel within your authoring tool, and LiveDocs. It is intended to be used with other instructional media, such as the Programming ActionScript 3.0 guide, and resources on the Adobe website, such as the ActionScript Topic Center.