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

Unregisters user scripts registered by the extension.

In this article

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

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This page was last modified on Jul 17, 2025 by MDN contributors.

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