iframe`).ready(() => {\n          if (typeof this._config.loadingScreen === 'number') {\n            this.switchTab(`#${navId}`)\n            setTimeout(() => {\n              $loadingScreen.fadeOut()\n            }, this._config.loadingScreen)\n          } else {\n            this.switchTab(`#${navId}`)\n            $loadingScreen.fadeOut()\n          }\n        })\n      } else {\n        this.switchTab(`#${navId}`)\n      }\n    }\n\n    this.onTabCreated($(`#${navId}`))\n  }\n\n  openTabSidebar(item,...