let catalog = [];
            let catalogTitle = [];
            if (JSON.parse(localStorage.getItem('requested-catalog-id')) != null) {
                catalog = JSON.parse(localStorage.getItem('requested-catalog-id'));
                catalogTitle = JSON.parse(localStorage.getItem('requested-catalog-title'));
            }
            $('.catalog .box-item .box-heading input[type=checkbox]').on('change', function () {

				// Dini ngalih ID ne bli, sing ngidang ngalih uli luar
                let $check = $(this); // Ne current checkbox ne;
				let $boxHeading = $check.closest('.box-heading'); // Ne box heading ane alih bli, sesuaikan jak DOM bli ditu.

				let id = $boxHeading.attr('data-catalog-id'); // Ne ID ne.
                let title = $boxHeading.attr('data-catalog-title'); // Ne Title ne.

                let showBigCheckBox = $(".catalog .box-heading span#" + id);

                // let checked = !!$check.val();

                let valueChecked = $check.val();
                let checked = valueChecked === $check.val();
                console.log(checked);

                if (checked) {
                    if (catalog.length >= 3) {
                        $('#staticBackdrop').modal({
                            keyboard: false,
                            static: true,
                            focus: true,
                            show: true,
                        });
                        return false;
                    } else {
                        catalog.push(id);
                        catalogTitle.push(title);
                        localStorage.setItem('requested-catalog-id', JSON.stringify(catalog));
                        localStorage.setItem('requested-catalog-title', JSON.stringify(catalogTitle));
                        showBigCheckBox.addClass('selected');
                    }
                } else {
                    catalog.splice($.inArray(id, catalog), 1);
                    catalogTitle.splice($.inArray(title, catalogTitle), 1);
                    localStorage.setItem('requested-catalog-id', JSON.stringify(catalog));
                    localStorage.setItem('requested-catalog-title', JSON.stringify(catalogTitle));
                    showBigCheckBox.removeClass('selected');
                }
            });