Simple "hello world" http server for node.js

serv-hello.js

console.log(process.argv[0]);
console.log(process.argv[1]);
console.log(process.argv[2]);
var port = process.argv.length > 2 ? Number(process.argv[2]) : 1337;
var http = require('http');
var svr = http.createServer(function (req, res) {
  if(req.url.indexOf('exit') != -1) {
    res.write('exiting');
    res.end();
    svr.close();
    return;
    //process.exit(0);
  }
  res.writeHead(200, {'Content-Type': 'text/html'});
  res.write('<h1>Hello World<\h1>');
  res.write('<a href="exit">exit</a>');
  res.end();
}).listen(port, "127.0.0.1");
console.log('Server running at http://127.0.0.1:' + port + '/');