JavaScript javascript.info covers all aspects of JavaScript. It has very intuitive tutorials, covering from basic syntax, DOM events, to Promises and regex. If you prefer to watch videos, watch Modern JavaScript Tutorial by The Net Ninja. JavaScript in our Project We are more likely to use Asynchronous JavaScript. So this playlist, Asynchronous JavaScript is more preferable in our case. Note: The nature of JavaScript is synchronous. Because making a database call takes some amount of time, we need to use promises or async/await methods.