If you’ve been writing JavaScript for a while, you’ve probably heard the mantra: “Use const by default, let when you need to reassign, and avoid var like the plague.” But why? And more importantly, ...

A variable stores data. If a person is a beginner, it will be difficult for them to understand what I am saying, so I appreciate examples to help them better understand. A variable is like a container ...

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 table of the ...

Variables hold a wide variety of information temporarily. The JavaScript data types that can be stored in a variable include: JavaScript variables can hold a few other kinds of data, but these are by ...