What is JavaScript?

JavaScript is a programming language that enables you to create dynamically updating content, control multimedia, animate images, and much more.

JavaScript is the programming language of the Web and runs in your browser.

// JavaScript Syntax
console.log('Hello, World!');

// Variables
let name = 'John';
const age = 25;

// Function
function greet() {
  alert('Hello!');
}

<h1 id="demo">JavaScript Demo</h1>
<button onclick="changeText()">Click Me</button>