$loadingScreen.fadeOut()\n              }\n            }\n          })\n        })\n      } else {\n        $(`${tabId} iframe`).attr('src', $(`${tabId} iframe`).attr('src'))\n      }\n    }\n\n    $(`${SELECTOR_TAB_NAVBAR_NAV} .active`).tab('dispose').removeClass('active')\n\n    this._fixHeight()\n\n    $item.tab('show')\n    $item.parents('li').addClass('active')\n    this.onTabChanged($item)\n\n    if (this._config.autoItemActive) {\n      this._setItemActive($(`${tabId} iframe`).attr('src'))\n...