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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

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxOperaFirefox for Android
onRemovedChrome Full support YesEdge No support NoFirefox No support NoOpera Full support YesFirefox Android No support No

Legend

Full support  
Full support
No support  
No support

Examples

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

browser.permissions.onRemoved.addListener(handleRemoved);

Acknowledgements

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

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

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