JSFiddle - React, Tailwind, and code Playground

by Jon Kittell

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.2/underscore-min.js"></script>
<p id="message" onclick="write"></p>

JavaScript

function write(message) {
    document.getElementById('message').innerHTML += message + '<br/>';
}

function newParagraph() {
    write("");
}

// 26 November
var birthday = new Date(2010, 10, 26);
write(birthday);
write(birthday.toUTCString());
newParagraph();

// date subtraction
var from = new Date();
for (var i = 0; i < 100000000; i++) {
    var result = Math.sqrt(i);
}
var to = new Date();
var elapsed = to - from;
write("Calculating the square root of 100,000,000 numbers took: " + elapsed + " milliseconds.");