nodejs form with express + bodyparser

nodejsexpress.ts

/// <reference path="node.d.ts" />
/// <reference path="express.d.ts" />

// install
// npm install express --save
// npm install body-parser

import express = require('express');
var bodyParser = require('body-parser');
var app = express();

app.use(bodyParser.urlencoded({ extended: false }))

// parse application/json
app.use(bodyParser.json());

app.get('/', function (req, res) {
    res.send('<form method="post" action="/"><input type="text" name="hallo"></form>');
});

app.post('/', function (req, res) {
    console.log(req.body);
    res.send('ok')
});

var server = app.listen(3000, function () {
    var host = server.address().address;
    var port = server.address().port;

    console.log('Example app listening at http://%s:%s', host, port);
});