JSFiddle - React, Tailwind, and code Playground
HTML
<input id="dp" value="" />
<br />
<button onclick="makeDP();">Make DatePicker</button>
<button onclick="getValue();">Show Date</button>
JavaScript
function makeDP() {
$( "#dp" ).datepicker({ dateFormat: 'mm-dd-yy' });
}
function getValue() {
alert($.datepicker.formatDate( 'yy-mm-dd', $( "#dp" ).datepicker("getDate") ) );
}