carrackjs/carrack.js

19 lines
600 B
JavaScript

function sendHttpRequest(url, method, data, callback, contentType = "multipart/form-data") {
var xhr = new XMLHttpRequest();
xhr.open(method, url, true);
xhr.setRequestHeader("Content-Type", contentType);
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
if (xhr.status === 200) {
var response = xhr.responseText;
callback(null, response);
}
else callback(xhr.status, null);
}
};
var requestData;
if (contentType === "application/json") requestData = JSON.stringify(data);
else requestData = data;
xhr.send(requestData);
}