Vanilla JS Ajax/XHR request

xhr-request.js

function XHRRequest(url, type = 'text/plain') {

    const request = new XMLHttpRequest();
    request.open('GET', `${url}?${new Date().getTime()}`, true);
    request.setRequestHeader('Content-type', type);

    request.onload = function () {
        if (this.status >= 200 && this.status < 400) { // Success
            console.log('Success', this.response);
        } else
            console.error('XHR error', this.response);
    };

    request.onerror = function () {
        console.error('XHR connection error');
    };

    request.send();
}

XHRRequest('https://jsonplaceholder.typicode.com/todos', 'application/json');