Moment JS playground.

by Serhii Matrunchyk

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 test = moment('2000-02-31');
console.log(test.isValid());