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 ...

Survey your options for in-browser data storage with JavaScript, including built-in variables, localStorage, IndexedDB, and the service worker cache API.

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 ...

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 ...