JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//cdn.rawgit.com/hilios/jQuery.countdown/2.0.4/dist/jquery.countdown.min.js"></script>

    <div id="example1" data-countdown="01/01/2016 05:06:59"></div>
         <div id="example2" data-countdown="01/01/2017"></div>
         <div id="example3" data-countdown="01/01/2018"></div>
        <div id="example4" data-countdown="01/01/2020"></div>

JavaScript

$(function(){
    $('[data-countdown]').each(function() {
   var $this = $(this), finalDate = $(this).data('countdown');
   $this.countdown(finalDate, function(event) {
     $this.html(event.strftime('%D days %H:%M:%S'));
   });
 });
});