available (ExternalInterface.available property)

public static available : Boolean [read-only]

Indicates whether this player is in a container that offers an external interface. If the external interface is available, this property is true; otherwise, it is false.

Availability: ActionScript 1.0; Flash Player 8

Example

The following example uses ExternalInterface.available to determine whether the player is in a container that offers an external interface.

import flash.external.*;

var isAvailable:Boolean = ExternalInterface.available;
trace(isAvailable);

Version 8

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Current page: http://livedocs.adobe.com/flash/8/main/00002202.html