JSFiddle - React, Tailwind, and code Playground
HTML
<script src="//code.jquery.com/ui/1.11.4/jquery-ui.js"></script>
<link rel="stylesheet" href="//code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css">
<p>Calendar 1: <input type="text" id="datepicker1"></p>
<p>Calendar 2: <input type="text" id="datepicker2"></p>
JavaScript
$(function() {
$( "#datepicker1" ).datepicker();
$( "#datepicker2" ).datepicker();
});