let lastNews = new XMLHttpRequest();
lastNews.onreadystatechange = function() {
    if (this.readyState == 4 && this.status == 200) {
        var myArr = JSON.parse(this.responseText);
        contentStr = "";
        myArr.forEach(function(o){
            contentStr += "<div class='views-row mb-3'><div class='views-field-title'><a href='"+ o.link+"'>"+ o.title +"</a></div></div>";
        });
        document.getElementById('last_news_js').innerHTML = contentStr;
    }
};
lastNews.open("GET", "/json/last.json", true);
lastNews.send();