Moment JS playground.

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();
var afterToday;
setTimeout(()=>{
	afterToday = moment();
}, 1000)

setTimeout(()=>{

	//const diff = afterToday.isAfter(today);
  const diff = today.isAfter(afterToday);
  out.innerText = diff;
}, 2000)