JavaScript variables hold a wide variety of information and can be used with virtually any data type. Here's how to use variables to store numbers, text strings, objects, and more.

Yuri Katkov from Flashcards.js became a co-author and the rights holder of the book. He will improve the questions and add some more from his collections of flashcards and will make sure to produce an ...

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 ...

Raising this from an user email for sharing, as other users might benefit from this question. Suppose I've written a lot of different modules, and there are a couple of variables that I would like to ...