Run JavaScript Everywhere

Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

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for Node.js 18 and below

v24.3.0Node.js Currentv22.17.0Node.js LTS

"LTS" stands for the long-term support version of Node.js. Learn more about Node.js releases here.

// server.mjs
import { createServer } from 'node:http';

const server = createServer((req, res) => {
  res.writeHead(200, { 'Content-Type': 'text/plain' });
  res.end('Hello World!\n');
});

// starts a simple http server locally on port 3000
server.listen(3000, '127.0.0.1', () => {
  console.log('Listening on 127.0.0.1:3000');
});

// run with `node server.mjs`

Learn more what Node.js is able to offer with our Learning materials.