JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://www.eyecon.ro/bootstrap-datepicker/css/datepicker.css">
<script src="http://www.eyecon.ro/bootstrap-datepicker/js/bootstrap-datepicker.js"></script>
<link rel="stylesheet" href="http://www.eyecon.ro/bootstrap-datepicker/css/bootstrap.css">
    <input type="text" value ="today();" id="datepicker"/>

JavaScript

$('#datepicker').datepicker();
function today(){
	var d = new Date();
	var curr_date = d.getDate();
	var curr_month = d.getMonth() + 1;
	var curr_year = d.getFullYear();
	document.write(curr_date + "-" + curr_month + "-" + curr_year);
}