Auto Closed Captioning for Youtube

Automatically ensure closed captioning is on for every Youtube video

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         Auto Closed Captioning for Youtube
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Automatically ensure closed captioning is on for every Youtube video
// @author       Mark Townsend
// @match        http://*.youtube.com*
// @match        http://*.youtube.com/watch*
// @match        http://youtube.com/watch*
// @match        https://*.youtube.com/watch*
// @match        https://youtube.com/watch*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=tampermonkey.net
// @grant        none
// @license      MIT
// ==/UserScript==



window.addEventListener('load', () => {
    var pollCC = setInterval(checkYTCC, 1000);

    function checkYTCC() {
       if (document.querySelector('[aria-keyshortcuts="c"]').getAttribute('aria-pressed') !== 'true') {
           document.querySelector('[aria-keyshortcuts="c"]').click();
       }
    }
});