This script adds udemy course creation date of course to last updated panel.
// ==UserScript==
// @name Udemy Course Creation Date
// @namespace Violentmonkey Scripts
// @match https://www.udemy.com/course/*
// @grant none
// @version 1.0
// @license MIT
// @author ad3m
// @description This script adds udemy course creation date of course to last updated panel.
// ==/UserScript==
const courseId = document.querySelector("[data-clp-course-id]").getAttribute("data-clp-course-id");
const updated = document.querySelector(".last-update-date>span");
fetch(`https://www.udemy.com/api-2.0/courses/${courseId}/?fields[course]=created`)
.then(response => response.json())
.then(data => {
let creationDate = new Date(data.created).toLocaleDateString();
updated.textContent = `Created ${creationDate} - ${updated.textContent}`;
});