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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