https://developer.mozilla.org/en-US/docs/Learn/Getting_started_with_the_web/JavaScript_basics http://www.learn-js.org/ https://www.khanacademy.org/computing/computer-programming/html-css-js/js-and-the-dom/p/putting-js-in-a-webpage https://www.codeschool.com/learn/javascript https://www.codecademy.com/learn/learn-javascript https://www.freecodecamp.org/challenges/add-images-to-your-website