CORS check js
var url = 'https://github.com/ringohub';
var req = new XMLHttpRequest();
req.open('GET', url);
req.onreadystatechange = function () {
switch (req.readyState) {
case 0:
console.log('UNSENT');
break;
case 1:
console.log('OPEND');
break;
case 2:
console.log('HEADERS_RECEIVED');
break;
case 3:
console.log('LOADING');
break;
case 4:
console.log('DONE');
console.log(`Status:${req.status}`);
console.log(req.responseText);
break;
}
};
req.send(null);