Fired when an add-on is uninstalled.

This API requires the "management"API permission.

Syntax

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. Thelistener argument is the listener to remove.

hasListener(listener)

Checks whether alistener is registered for this event. Returnstrue 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:

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

Browser compatibility