CORS-server.js

const express = require('express');
const port = process.env.PORT || 3666;
const app = express();

app.use(function (req, res, next) {
    res.header(
            "Access-Control-Allow-Origin", "http://www.foo.no"
    );
    res.header(
            "Access-Control-Allow-Headers",
            "Origin, X-Requested-With, Content-Type, Accept"
    );
    next();
});

app.delete('/123', function (req, res, next) {
    res.send('Hei... 123 er slettet...');
});

app.post('/', function (req, res, next) {
    res.send('Hello');
});

app.listen(port, function () {
    console.log(`Appen kjører på http://localhost:${port}`);
});