What is JavaScript?

JavaScript is the language that brings web pages to life with interactivity and logic.

What is JavaScript?

JavaScript (JS) is a programming language that runs in web browsers. It lets you respond to clicks, validate forms, load data and much more.

What JavaScript Can Do

• Respond to user actions like clicks and typing.
• Update page content without reloading.
• Validate forms before sending.
• Create animations and games.
• Communicate with servers (APIs).

JavaScript vs HTML and CSS

HTML provides structure, CSS provides style and JavaScript provides behaviour.

Where JavaScript Runs

It runs in the browser, and with Node.js it can also run on servers.

Popular JavaScript Frameworks

• React
• Vue
• Angular
• Node.js (server-side)

Why Learn JavaScript?

JavaScript is one of the most in-demand skills. It powers interactive websites, mobile apps and even desktop software.