JSFiddle - React, Tailwind, and code Playground

HTML

<div class="ui-widget-content">
  <p>Drag me to my target</p>
</div>
 
<div class="ui-widget-header">
  <p>Drop here</p>
</div>

CSS

.ui-widget-content { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
.ui-widget-header { width: 150px; height: 150px; padding: 0.5em; float: left; margin: 10px; }

JavaScript

$(function() {
    $( ".ui-widget-content" ).draggable();
    $( ".ui-widget-header" ).droppable({
      drop: function( event, ui ) {
        $( this )
          .addClass( "ui-state-highlight" )
          .find( "p" )
            .html( "Dropped!" );
      }
    });
  });