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Add-ons

events.Event

An object which allows the addition and removal of listeners for a browser event.

Type

Values of this type are objects.

Methods

events.Event.addListener()
Registers an event listener callback to an event.
events.Event.removeListener()
Deregisters an event listener callback from an event.
events.Event.hasListener()
Tests registration status of a listener.
events.Event.hasListeners()
Tests whether any listeners are registered to the event.
events.Event.addRules()
Registers rules to handle events.
events.Event.getRules()
Returns currently registered rules.
events.Event.removeRules()
Unregisters currently registered rules.

Browser compatibility

ChromeEdgeFirefoxFirefox for AndroidOpera
Basic supportYesYesNoNoYes

Acknowledgements

This API is based on Chromium's chrome.events API. This documentation is derived from events.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

Document Tags and Contributors

 Contributors to this page: DanielHerr, wbamberg
 Last updated by: DanielHerr,