JQuery UI Drag and Drop with Drag Element ID

The following code shows drag and drop feature of the jQueryUI and also collects the DOM Id of the element dragged.

  <link rel="stylesheet" href="https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">

    #draggable { width: 70px; height: 70px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
    #droppable { width: 150px; height: 150px; padding: 0.5em; float: left; margin: 10px; }

  <script src="https://code.jquery.com/jquery-1.12.4.js"></script>
  <script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
  $( function() {
    $( "#draggable" ).draggable(); 
    $( "#droppable" ).droppable({
      classes: {
        "ui-droppable-hover": "ui-state-hover"
      drop: function( event, ui ) {
        $(this).addClass( "ui-state-highlight" ).find( "p" ).html( "Dropped!" );
        var id = ui.draggable.attr("id");
  <div id="draggable" class="ui-widget-content">
    <p>Drag me to my target</p>
  <div id="droppable" class="ui-widget-header">
    <p>Drop here</p>