Moment JS playground.

by levchenko_d

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.18.1/moment.min.js"></script>
<p id="output"></p>

JavaScript

const out = document.getElementById('output');

const today = moment();
const someday = moment('2011-01-01 00:00Z');

const diff = today.diff(someday, 'year');
out.innerText = moment().subtract(1, 'day').toDate();