JSFiddle - React, Tailwind, and code Playground
HTML
<div id="me"></div>
JavaScript
(function(){
var start = new Date().getTime();
var blah;
var div = document.getElementById("me");
for (i = 0; i < 5000; ++i) {
//var el = document.createElement("div");
//el.innerHTML = i;
//div.appendChild(el);
$("#me").append("<div>" + i + "</div>");
//div.innerHTML += "<div>" + i + "</div>";
}
var end = new Date().getTime();
var time = end - start;
alert('Execution time: ' + time);
})();