HTML variables are placeholders that you can use to store and insert data into your HTML code. They allow you to define and change the content, attributes, styles, or scripts of your web elements ...

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.

Scope in JavaScript refers to context (or portion) of the code which determines the accessibility (visibility) of variables. In JavaScript, we have two types of scope, local , and global.

JavaScript is a widely used scripting language that adds functionality and interactivity to a webpage. Building on a static HTML framework and CSS styling, with JavaScript you can store information in ...

These forms use HTML markup and optionally JavaScript functions. Your website may use URL variables, which allow you to pass data items as part of the URL for a particular page.