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Object: EventListener

Availability

BlackBerry® Device Software version 4.6 or later

The EventListener object represents an event listener, which is used to listen for and handle events as they occur. EventListener objects are registered on an EventTarget, the node(s) within the DOM that may be impacted by an event. Events may be registered against Node, Window, or XMLHttpRequest. A listener should be removed from the target after it has been used.

EventListener methods

Method name

Description

Availability

handleEvent()

Called whenever an event occurs the EventListener object was registered to listen for.

4.6 or later

Method: EventListener.handleEvent()

Availability

BlackBerry® Device Software version 4.6 or later

The handleEvent() method is called whenever an event occurs on the object for which the EventListener was registered.

Syntax

EventListener.handleEvent( evt )

Parameters

Parameter

Type

Description

evt

Event

The event type that the EventListener is registered to listen for.

Return values

None.

Exceptions

None.

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