server.js

var qs = require('querystring');
require('http').createServer(function (req, res) {
  if('/' === req.url) {
    res.writeHead(200, { 'Content-Type': 'text/html' });
    res.end([
            '<form method="POST" action="/url">'
            , '<h1>form it, bro.</h1>'
            , '<fieldset>'
            , '<label>personal info</label>'
            , '<p>who are you, anyway?</p>'
            , '<input type="text" name="name">'
            , '<p><button>Submit</button></p>'
            , '</form>'
    ].join('')); 
  } else if ('/url' === req.url && 'POST' === req.method) {
    var body = '';
    req.on('data', function (chunk) {
      body += chunk;
    });
    req.on('end', function () {
      res.writeHead(200, { 'Content-Type': 'text/html' });
      res.end('<h2>your name is <b>' + qs.parse(body).name + '</b></h2>');
    });
  } else {
    res.writeHead(404);
    res.end('Not Found');
  }
  }).listen(3000);