OReilly. Ethan Brown. Web Development With Node And Express

hello-from-node.js

var http = require('http');

http.createServer(function (req, res) {
    res.writeHead(200, { 'Content-Type': 'text/html' });
    res.end('<h1>Hello world!</h1>');
}).listen(3000);

console.log('Server started on localhost:3000; press Ctrl-C to terminate....');