JSFiddle - React, Tailwind, and code Playground

by Darby Rathbone

HTML

<div id="z"></div>
<div id="h"></div>

JavaScript

var z = document.getElementById('z'),
    h = document.getElementById('h'),
    j = new XMLHttpRequest(),
    d;

j.onreadystatechange = function () {
    if (j.status == 200) {
        d += Number(Date.now());
        console.log(d);
        z.innerHTML = d;
        d = -Number(Date.now());
        f();
    }
};

    function f() {
        d = Number(-1 * Date.now());
        j.open('GET', '/');
        j.send();
    }
    f();