In this tutorial, you'll learn about the three main JavaScript data types that are used when writing any JavaScript code. Don’t forget to subscribe to the Junior Developer Central channel for more videos and tutorials! Some programming languages have lots of different types of data that they can work with and you have to specify when declaring a variable which type of data you are going to store. Luckily, with JavaScript, we don't need to worry about this too much but it is good to be aware of the different types of data you can work with. In the lesson, you'll learn about JavaScript strings and numbers. It's important to know the difference as there are somethings you can do with JavaScript strings that you can't do with numbers. I'll also show you how to identify what type of data is stored in a variable by using the JavaScript typeof operator and how to identify undefined data. Finally, we'll talk a little about JavaScript objects but we'll be covering this in-depth in a later lesson. Channel Handle @codebubb