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 ...

JavaScript variables have only two scopes. Global Variables − A global variable has a global scope which means it can be defined anywhere in your JavaScript code. Local Variables − A local variable ...

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 ...