JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.18/themes/start/jquery-ui.css">
<p>Date: <input type="text" id="datepicker"></p>

JavaScript

$('#datepicker').datepicker({ 
        minDate: '0',
        maxDate: '',
        onClose: function() {
            if ($('#datepicker').val() != '') {
                $('#submitForm').submit();
            }
        } 
    });