We'll be teaching you the basics all week ... you putt a variable to your code (or declare a variable, as it's more traditionally called)? In JavaScript, all you need to do is this: There are ...

Although variables are a fairly simple aspect of JavaScript, they are also universal and essential. Knowing how to work with them is like mastering the basic moves of a martial art: practice pays off.

Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison ...