Sinevik, запустите эту функцию и смотрите консоль:
function getWeather() {
console.log('begin');
let req = new XMLHttpRequest();
req.onload = () => {
console.log(req);
}
req.onerror = () => {
console.log.apply(console, arguments);
}
req.onreadystatechange = () => {
if (req.readyState == 4)
console.log('completed');
};
req.open("GET", "file:///D:/frontend/summary/auto/src/auto.json", true);
req.responseType = "json";
console.log('send');
req.send();
}
getWeather();