management.onUninstalled()

Fired when an add-on is uninstalled.

This API requires the "management" API permission.

Syntax

js
browser.management.onUninstalled.addListener(listener)
browser.management.onUninstalled.removeListener(listener)
browser.management.onUninstalled.hasListener(listener)

Events have three functions:

addListener(listener)

Adds a listener to this event.

removeListener(listener)

Stop listening to this event. The listener argument is the listener to remove.

hasListener(listener)

Checks whether a listener is registered for this event. Returns true if it is listening, false otherwise.

addListener syntax

Parameters

listener

The function called when this event occurs. The function is passed this argument:

info

ExtensionInfo: info about the add-on that was uninstalled.

Examples

Log the names of add-ons when they are uninstalled:

js
browser.management.onUninstalled.addListener((info) => {
  console.log(`${info.name} was uninstalled`);
});

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Firefox for Android
Safari on iOS
onUninstalled
Chrome – Full support
Chrome 8 (Release date: 2010-12-02)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – Full support
Firefox 55 (Release date: 2017-08-08)
footnote
footnote Before version 56, only extensions whose type is 'theme' are supported.
footnote This event is not fired when the extension is in the "pending uninstall" state. The event is fired as expected once the extension is completely removed (for example, when the about:addons tab is closed).
Opera – Full support
Opera 15 (Release date: 2013-07-02)
footnote Full support
Safari – No support
Safari
footnote No support
Firefox for Android – Full support
Firefox for Android 55 (Release date: 2017-08-08)
footnote
footnote Before version 56, only extensions whose type is 'theme' are supported.
footnote This event is not fired when the extension is in the "pending uninstall" state. The event is fired as expected once the extension is completely removed (for example, when the about:addons tab is closed).
Safari on iOS – No support
Safari on iOS
footnote No support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support
See implementation notes.

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