code: function breadcrumb() {
          const $breadcrumb = $(`.${namespace}-breadcrumbs`).empty();
  
          chain().each(function () {
              const $crumb = $(this);
              $(`<span class="${namespace}-breadcrumb">`).text($crumb.text().trim()).click(function () {
                  $crumb.click();
              }).appendTo($breadcrumb);
          });
      }
docs: Add the breadcrumb path using the chain of selected items.