This post shows how to write, start, and stop a Node.js HTTP server that prints Hello, World!
A Hello, World! Node.js Server on Windows 10
1. Put this into a file called server.js (or click here to download one).
const http = require('http');
const hostname = '127.0.0.1';
const port = 3000;
const server = http.createServer((req, res) => {
res.statusCode = 200;
res.setHeader('Content-Type', 'text/plain');
res.end('Hello, World!\n');
});
server.listen(port, hostname, () => {
console.log(`Server running at http://${hostname}:${port}/`);
});2. Open the folder and right-click on Open in Terminal
3. Type node .\server.js
4. Ctrl-click on the link or open a browser and type http://127.0.0.1:3000/ or click here
5. Type Ctrl-c to quit
Other
Node.js logo clipped from https://nodejs.org/
The version posted at https://nodejs.org/en
// 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`