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.

In JavaScript, we have two types of scope, local , and global. Though local scope can have different meanings. Let’s work through the definitions by giving some examples of how scoping functions.

In JavaScript, you can define a variable as myVariable = "something"; or var myVariable = "something";, the difference being the word var preceding the statement.