1. Mozilla
  2. Add-ons
  3. Browser extensions
  4. JavaScript APIs
  5. userScripts
  6. userScripts.unregister()

userScripts.unregister()

Unregisters user scripts registered by the extension.

Syntax

js
let unregisteringUserScripts = browser.userScripts.unregister(
  filter       // optional object
);

Parameters

filter Optional

userScripts.UserScriptFilter. A list of user script IDs to unregister. If not specified, all user scripts are unregistered.

Return value

A Promise fulfilled with no arguments if the user scripts are unregistered. If the request fails, the promise is rejected with an error message.

Example extensions

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Firefox for Android
Safari on iOS
unregister
Chrome – Full support
Chrome 120 (Release date: 2023-12-05)
footnote Full support
Edge – Full support
Edge 120 (Release date: 2023-12-07)
footnote Full support
Firefox – Full support
Firefox 136 (Release date: 2025-03-04)
footnote Full support
Opera – Full support
Opera 106 (Release date: 2023-12-19)
footnote Full support
Safari – No support
Safari
footnote No support
Firefox for Android – Full support
Firefox for Android 138 (Release date: 2025-04-29)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support

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Full support
No support

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