JSFiddle - React, Tailwind, and code Playground

by Base

HTML

<input type="text" id="datepicker"/>

JavaScript

$(function() {
    $( "#datepicker" ).datepicker({ dateFormat: "yy-mm-dd" });
    $("#datepicker").on("change",function(){
        var selected = $(this).val();
        alert(selected);
    });
});