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.

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 ...

In JavaScript, for example, you can assign a number to a variable named "x" as easily as you can assign the word "apple" to it. This flexibility allows you to create programs without worrying ...

Developers use statements to control the overall program flow, including variable declarations, conditional operations, and iterative processes. Here's how to write JavaScript statements.

First, it’s important to note that JavaScript’s values have fixed types, but variables do not. A JavaScript variable is dynamically typed, so it adopts whatever the type of its value is: ...