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
Report problems with this compatibility data on GitHubwebextensions-desktop | webextensions-mobile | |||||
---|---|---|---|---|---|---|
Event | ChromeFull supportYes | EdgePartial support14 | FirefoxNo supportNo | OperaFull supportYes | SafariFull support14 | Firefox for AndroidNo supportNo |
addListener | ChromeFull supportYes | EdgeFull support14 | FirefoxNo supportNo | OperaFull supportYes | SafariFull support14 | Firefox for AndroidNo supportNo |
addRules | ChromeFull supportYes | EdgeFull support79 | FirefoxNo supportNo | OperaFull supportYes | SafariNo supportNo | Firefox for AndroidNo supportNo |
getRules | ChromeFull supportYes | EdgeFull support79 | FirefoxNo supportNo | OperaFull supportYes | SafariNo supportNo | Firefox for AndroidNo supportNo |
hasListener | ChromeFull supportYes | EdgeFull support14 | FirefoxNo supportNo | OperaFull supportYes | SafariFull support14 | Firefox for AndroidNo supportNo |
hasListeners | ChromeFull supportYes | EdgeFull support79 | FirefoxNo supportNo | OperaFull supportYes | SafariNo supportNo | Firefox for AndroidNo supportNo |
removeListener | ChromeFull supportYes | EdgeFull support14 | FirefoxNo supportNo | OperaFull supportYes | SafariFull support14 | Firefox for AndroidNo supportNo |
removeRules | ChromeFull supportYes | EdgeFull support79 | FirefoxNo supportNo | OperaFull supportYes | SafariNo supportNo | Firefox for AndroidNo supportNo |
Legend
- Full support
- Full support
- Partial support
- Partial support
- No support
- No support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
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.