$(function() {
  $( "#draggable" ).draggable({
      stop: function(event, ui) {
          var x_pos = ui.offset.left;
          var y_pos = ui.offset.top;
          var div_id = ui.helper.attr("id");
          var user_id = <?php echo $current_user->ID ?>;


          console.log(x_pos);
          console.log(y_pos);
          console.log(user_id);
          console.log(div_id);
  }
});