Administrator / test_3

  $(document).ready(function(){
      $('body').on('click', '.delete-field-item', function(){
          console.log('sfddf');
          $(this).parent('.form-group').remove();

      });

      $('.add_field').click(function(){
          var block = $('.fields_video_result');
          var sub_block = '<div class="form-group">'+
              '<input type="text"   class="form-control" value="" name="Fields[video]['+ start_i++ +'][value]">'+
              '<span data-id="none" title="удалить" class="glyphicon glyphicon-trash delete-field-item"></span>'+
              '<div>';
          block.append(sub_block);

      });
  });