Require this script and you will get variable GMRequireChecker equals to true if loaded. In other cases, variable GMRequireChecker will just not exists.
Dette script bør ikke installeres direkte. Det er et bibliotek, som andre scripts kan inkludere med metadirektivet // @require https://update.greasyfork.org/scripts/429557/951692/GMRequireChecker.js
// ==UserScript== // @name GMRequireChecker // @namespace GMRequireChecker // @version 0.1 // @description Require this script and you will get variable GMRequireChecker equals to true if loaded. In other cases, variable GMRequireChecker will just not exists. // @author PY-DNG // @match * // @icon data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw== // @grant none // ==/UserScript== const GMRequiredJSLoaded = true;