The ability to inject scripts into the "MAIN" world, ensuring they have access to the page's global variables and APIs.
// ==UserScript== // @name My First Script // @match https://*.example.com/* // @grant none // ==/UserScript== (function() { 'use strict'; console.log('Tampermonkey is running on this page!'); })(); Use code with caution. Copied to clipboard Tampermonkey 4.13.6140
While newer versions have since rolled out, the 4.13 series remains a stable foundation for many users. Key highlights include: The ability to inject scripts into the "MAIN"