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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

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxOperaFirefox for Android
Basic supportChrome Full support YesEdge Partial support 14Firefox No support NoOpera Full support YesFirefox Android No support No
addListenerChrome Full support YesEdge Full support 14Firefox No support NoOpera Full support YesFirefox Android No support No
removeListenerChrome Full support YesEdge Full support 14Firefox No support NoOpera Full support YesFirefox Android No support No
hasListenerChrome Full support YesEdge Full support 14Firefox No support NoOpera Full support YesFirefox Android No support No
hasListenersChrome Full support YesEdge No support NoFirefox No support NoOpera Full support YesFirefox Android No support No
addRulesChrome Full support YesEdge No support NoFirefox No support NoOpera Full support YesFirefox Android No support No
getRulesChrome Full support YesEdge No support NoFirefox No support NoOpera Full support YesFirefox Android No support No
removeRulesChrome Full support YesEdge No support NoFirefox No support NoOpera Full support YesFirefox Android No support No

Legend

Full support  
Full support
Partial support  
Partial support
No support  
No support

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.

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