gistfile1.js

app.get('/', function(req, res) {
	res.type('application/json');
	res.setHeader('Access-Control-Allow-Origin', '*');
	res.send(JSON.stringify(messages));
});

app.post('/', function(req, res) {
	messages.push(req.body);
	res.send();
});

app.options('/', function(req, res) {
	res.setHeader('Access-Control-Allow-Origin', '*');
	res.setHeader('Access-Control-Allow-Methods', 'OPTIONS, GET, POST');
	res.setHeader('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
	res.send();
})

app.listen(8888);