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web_extensions / latest / api / permissions / onremoved.html

permissions.onRemoved

Fired when some permissions are removed from the extension.

Syntax

browser.permissions.onRemoved.addListener(listener)
browser.permissions.onRemoved.removeListener(listener)
browser.permissions.onRemoved.hasListener(listener)

Events have three functions:

addListener(callback)

Adds a listener to this event.

removeListener(listener)

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

hasListener(listener)

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

addListener syntax

Parameters

callback

Function that will be called when this event occurs. The function will be passed the following arguments:

permissions

permissions.Permissions object containing the permissions that were removed.

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
onRemoved Yes 79 77 ? Yes 14 ? ? 79 ? 15 ?

Examples

function handleRemoved(permissions) {
  console.log(`Removed API permissions: ${permissions.permissions}`);
  console.log(`Removed host permissions: ${permissions.origins}`);
}

browser.permissions.onRemoved.addListener(handleRemoved);

Note: This API is based on Chromium's chrome.permissions API.

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/permissions/onRemoved