Google ColorRoom

Google Classroom is too boring. Let's spice it up...

// ==UserScript==
// @name         Google ColorRoom
// @namespace    google-colorroom
// @license      none
// @version      3.0
// @description  Google Classroom is too boring. Let's spice it up...
// @match        https://classroom.google.com/*
// @author       theroyalwhale
// @icon         https://www.google.com/s2/favicons?sz=64&domain=classroom.google.com
// ==/UserScript==

(function() {
    'use strict';
    console.log("Google ColorRoom is installed on this device and therefore has been activated.");
    if (confirm("Would you like to use Google ColorRoom on this page?")) {
        document.body.contentEditable = 'true'; document.designMode='on'; void 0
        alert("Inject success. You can now edit the page directly!");
        if (confirm("Would you like to change the background color as well?")) {
            let person = prompt("Please enter a color","Green");
            if (person == null || person == "") {
                alert("Color cancelled.");
            } else {
                document.bgColor = person;
                alert("Background color successfully changed.");
            }
        }
    }
})();