select ajax dynamically from database laravel

laravel

//my enviroment
// laravel 5.5

//in web.php
 Route::get('admin/get-merk-product/{id}','ProductController@getMerk');
 
// in controller 
  use Response;
  use App\MMerk;

  class ProductController extends Controller
  {
    public function getMerk($typeId)
      {
          $dataMerk = MMerk::where('jenis_id','=',$typeId)->orderBy('name','ASC')->get();

          return Response::json($dataMerk);
      }
  }
//in blade for javascript
<script type="text/javascript">
    var langId = "{{asset('vendor/select2/js/i18n/id.js')}}";
    $(document).ready(function () {
        //on change type
        $('#type').change(function (e) {
            $.ajax({
                url: "<?= url('/admin/get-merk-product/') ?>/" + $(this).val(),
                method: 'GET',
                success: function (data) {
                    //console.log(data);

                    $('#merk').children('option:not(:first)').remove().end();

                    $.each(data,function(index,merkObj){
                        $('#merk').append('<option value="'+merkObj.id+'"> '+merkObj.name+' </option>')
                    });
                }
            });
        });

    });
</script>