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 ...

So how do you putt a variable to your code (or declare a variable, as it's more traditionally called)? In JavaScript, all you need to do is this: There are a few of things to notice here.

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 ...