In JavaScript, variables are dynamically typed ... Some programming languages don’t have a separate set of Boolean values; instead, they use 0 for false, and 1 or -1 (or any other non-zero ...

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 ...

If you try to "set a variable from a callback", like I once wanted to do. Then you don't really understand JavaScript. This is not bad, you just need someone to explain it to you. Because, MAN, this ...