function createCORSRequest(method, url) {
  var xhr = new XMLHttpRequest();
  if ("withCredentials" in xhr) {
    // XHR for Chrome/Firefox/Opera/Safari.
    xhr.open(method, url, true);
  } else if (typeof XDomainRequest != "undefined") {
    // XDomainRequest for IE.
    xhr = new XDomainRequest();
    xhr.open(method, url);
  } else {
    // CORS not supported.
    xhr = null;
  }
  return xhr;
}


                // Make the actual CORS request.
                function makeCorsRequest() {
                // This is a sample server that supports CORS.
                var url = 'https://www.michaelkors.eu/en_PL/server/storeView';

                    var data = new FormData();
                    data.append({"country":"Poland","skuId":"359927552","latitude":52.235382,"longitude":21.010353,"excludeStoreType":true,"radius":"25"});

                  var xhr = createCORSRequest('POST', url);
                  if (!xhr) {
                    alert('CORS not supported');
                    return;
                  }

                  // Response handlers.
                  xhr.onload = function() {
                    var text = xhr.responseText;
                    var json = JSON.parse(text);
                    console.log(json)
                  };

                  xhr.onerror = function() {
                    console.log('Woops, there was an error making the request.');
                  };

                  xhr.send(data);
                }

                makeCorsRequest()