ActionScript 2.0 Language Reference 
ActionScript 2.0 Language Reference |
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| ActionScript classes > ExternalInterface (flash.external.ExternalInterface) > available (ExternalInterface.available property) | |||
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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
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);
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