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 ...

Hello,<BR><BR>I'm using some JavaScript and a cookie to gather general user information and then pass it to another page which in turn uses JavaScript to write the variable data into a form text ...

I'm writing a Javascript to validate a form. The form is created dynamically and has a grid of dropdown menus, in a square.(3x3 or 5x5, for now) I want to create a loop that will go through each ...

After adding "y" to "x," JavaScript stores "11.234" in the "z" variable. You can control the number of decimal points that appear in a result by using the "toFixed" function. Instead of adding "x ...