JSFiddle - React, Tailwind, and code Playground

HTML

<div id="foo">
<img src="http://www.google.de/images/srpr/logo3w.png">            
    <img src="http://jsfiddle.net/img/logo.png" id="dragme">
</div>
<input type="text" id="y" name="y">
<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><div>test</div>

JavaScript

$(document).ready(function() {

                $( "#dragme" ).draggable({
                    containment: "parent",
                    stop: function(event,ui){
                        $('#y').val(ui.position.top);
                    }
                });
            });