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<h1>Overview of the ActionScript 3.0 Language <span product="flash">and Components </span>Reference</h1>
<p>The ActionScript 3.0 Language Reference is a reference manual for the application programming interfaces (APIs) for Flash<sup>&#xAE;</sup> Player and Adobe AIR<sup>&#xAE;</sup>.</p>

<p>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: <img src="images/AirIcon12x12.gif" /></p>

<p>This manual provides information on the syntax and usage of supported elements in the 
ActionScript language. It includes the following sections:</p>
            <p>The <span class="flexonly">Adobe Flex 2 Language Reference</span><span class="flashonly">ActionScript 3.0 Language and Components Reference</span> is a reference manual for the Flash<sup>&#xAE;</sup> Player and Adobe<sup>&#xAE;</sup> AIR<sup>&#xAE;</sup> application programming interface (API). 

			<ul>
				<li>Language elements, such as globals, operators, statements, keywords, directives, and special types</li>
				<li>Packages</li>
				<li>Alphabetical entries for class elements</li>
				<li>An index containing all entries</li>
				<li>An appendix that compares some key language and API changes from ActionScript 2.0 to ActionScript 3.0</li>
				<li>Appendixes of errors and warnings with annotations</li>
				<li>Appendixes with reference information about using XML to support motion tweens and FLVPlayback captioning.</li>
				<li>Appendixes with reference information about using databases with Adobe AIR.</li>
			</ul>

			<p>This reference is available in several forms: in the Help Panel as part of your authoring tool, and on the Adobe website at <a href="http://www.adobe.com/support/documentation" target="mm_window">http://www.adobe.com/support/documentation</a>. 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 <a href="http://www.adobe.com/devnet/actionscript/" target="mm_window">ActionScript Technology Center</a>.</p>
		

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