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/Web Extensions

events

Common types used by APIs that dispatch events.

Types

events.Rule
Description of a declarative rule for handling events.
events.Event
An object which allows the addition and removal of listeners for a browser event.
events.UrlFilter
Filters URLs for various criteria. If any of the given criteria match, then the whole filter matches.

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
Event
Yes
14
No
?
Yes
14
?
?
No
?
?
?
Rule
Yes
79
No
?
Yes
No
?
?
No
?
?
?
UrlFilter
Yes
79
50
?
Yes
No
?
?
50
?
?
?

Note: 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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https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/events