Google Classroom Dark Mode

Enables dark mode for Google Classroom.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Google Classroom Dark Mode
// @description  Enables dark mode for Google Classroom.
// @version      1.0
// @icon         https://www.google.com/favicon.ico
// @author       blank
// @namespace    https://google.com
// @match        https://classroom.google.com/*
// @run-at       document-start
// @license      MIT
// ==/UserScript==
(function() {
    "use strict";
 
    const log = console.log;
 
    // Get the dark mode setting.
    const darkModeSetting = localStorage.getItem("darkMode");
 
    // If the dark mode setting is enabled, set the dark mode property of the document to true.
    if (darkModeSetting === "true") {
        document.documentElement.classList.add("dark");
    }
 
    // Listen for the change event on the dark mode setting.
    document.querySelector("#darkMode").addEventListener("change", () => {
 
        // Get the new value of the dark mode setting.
        const newDarkModeSetting = document.querySelector("#darkMode").checked;
 
        // Set the dark mode property of the document to the new value.
        document.documentElement.classList.toggle("dark", newDarkModeSetting);
 
        // Save the new value of the dark mode setting.
        localStorage.setItem("darkMode", newDarkModeSetting);
    });
})();