JSFiddle - React, Tailwind, and code Playground

HTML

<div id="content">
     <div id="test">
          Hover Me
     </div>
     <div id="datePicker"></div>
</div>

JavaScript

$(function() {
        $('#datePicker').datepicker();
        $('#datePicker').hide();


        $('#content').hover(function(){
                $('#datePicker').fadeIn('fast');
        }, function() {
            $('#datePicker').fadeOut('fast');
        });

    });