gistfile1.txt

$.ajax({
                                method: "GET",
                                data: {},
                                dataType: 'json',
                                url: previewUrl, // http://m2.dev/megamenu/menu/view/id/1
                                cache: false,
                                showLoader: true,
                                context: $('body'),
                                success: function(res) {

                                    $("#preview-area").removeClass('loading').addClass('loaded');
                                    if (menuPreview.options.menuType == 'vertical') { //vertical
                                        $('.horizontal-area').hide();
                                        $('.vertical-area').show();
                                        $('.vertical-preview').html(res);
                                    } else { // horiziontal
                                        console.log('test');
                                        $('.horizontal-area').show();
                                        $('.vertical-area').hide();
                                        $('.horizontal-preview').html(res);
                                    }
                                    //$$("#preview-area").html(res);
                                    $("#preview-area").first().trigger('contentUpdated');
                                    $("#preview-area").fadeIn(500);
                                },
                                error: function(XMLHttpRequest, textStatus, errorThrown){

                                }
                            });