JSFiddle - React, Tailwind, and code Playground

HTML

<p>Date:
    <input type="text" id="datepicker" />
</p><span id="selecteddate" />

JavaScript

$().ready(function () {

    $("#datepicker").datepicker({
        appendText: "(yyyy-mm-dd)",
        onSelect: function (dateText, inst) {
            $("#selecteddate").text("hola " + dateText);
            $(this).val("hola " +dateText);
        }
    });

});