permissions.onRemoved

Fired when some permissions are removed from the extension.

Syntax

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

Check whether 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:

permissions

permissions.Permissions object containing the permissions that were removed.

Examples

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

Example extensions

Browser compatibility

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