Sample nodejs server with CORS headers

index.js

const http = require('http');

http.createServer(function (request, response) {
    // Print request method and request url
    console.log(request.method, request.url);

    // Set CORS headers
    response.setHeader('Access-Control-Allow-Origin', '*');
    response.setHeader('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');

    // Read json body
    let jsonBody = "";
    request.on('readable', function () {
        const stream = request.read();
        if (stream != null) {
            jsonBody += stream;
        }
    });
    request.on('end', function () {
        // Print jsonBody
        console.log(jsonBody);
        // Return status 200
        response.writeHead(200);
        // Return ok
        response.end('ok');
    });
}).listen(8080, '127.0.0.1');