distr ping, mtr

fetch("mtr1.php?q=probes").then(function(r) {
    return r.json()
}).then(function(d) {
    var l = Object.keys(d).sort(function(a, b) {
        return 0.5 - Math.random()
    });
    var n = d;
    var ql = 0,
        i = 0;
    document.body.innerHTML = "";
    var pre = document.createElement("pre");
    document.body.appendChild(pre);

    function a() {
        var k = l.shift();
        //var k=l.splice(l * Math.random() | 0, 1)[0];
        if (!k) return;
        ql++;
        fetch("mtr1.php?q=8.8.8.8&c=ping&k=" + k).then(function(r) {
            return r.text()
        }).then(function(d) {
            pre.insertAdjacentText("beforeEnd", "\n\n" + (++i) + '. ' + n[k].provider + ", " + n[k].city + " AS" + n[k].asnumber + "\n------------------------------------------------------------\n" + d);
            ql--;
            while (ql < 3 && l.length) a();
        });
    }

    a();

})