JSFiddle - React, Tailwind, and code Playground

by _sir

HTML

<div id="moo">
</div>

JavaScript

var $d = $('#moo'),
    i = 0,
    startTime = (new Date()).getTime();

// Create a one-second timeout
setTimeout(function(){ 
    var timeDiff = (new Date()).getTime() - startTime;
    
    $d.append("<p>One-second timer completed after " + timeDiff.toString() + " milliseconds</p>"); 
}, 1000);

// Loop for two seconds.
while ((new Date()).getTime() < startTime + 2000) {
    i++;
}

$d.append("<p>We completed " + i + " loops in two seconds.</p>");