HTTP Server

var http = require('http');   // Load the http library

var s = http.createServer(function(req, res) {
    res.writeHeader(200, { 'Content-Type' : 'text/plain' });
    res.end('Hello World\n');

});

s.listen(8000);

$ curl http://localhost:8000
Hello World

$ curl -i http://localhost:8000
HTTP/1.1 200 OK
content-type: text/plain
Date: Thu, 30 Jan 2014 21:03:36 GMT
Connection: keep-alive
Transfer-Encoding: chunked

Hello World

Point out the Connection: keep-alive - in modern web you can send several requsts on the same connection Transfer-Encoding: chunked - streaming