JSFiddle - React, Tailwind, and code Playground

JavaScript

$(function(){
    $("<div>Loading</div>").appendTo($("body"));
    var anticache = "?anticache=" + new Date().getTime();

    var xhr = new XMLHttpRequest();
    xhr.onreadystatechange = function() {
        if (xhr.readyState === 4){
            $("div").html($("div").html() + " - Done");
        }
        else {
            $("div").html($("div").html() + ".");
        }
    };
    
    xhr.open("POST", "jsfiddle.net" + anticache, true );
    xhr.send();
});