this._element.removeAttribute('role')\n    this._isTransitioning = false\n    this._showBackdrop(() => {\n      $(document.body).removeClass(CLASS_NAME_OPEN)\n      this._resetAdjustments()\n      this._resetScrollbar()\n      $(this._element).trigger(EVENT_HIDDEN)\n    })\n  }\n\n  _removeBackdrop() {\n    if (this._backdrop) {\n      $(this._backdrop).remove()\n      this._backdrop = null\n    }\n  }\n\n  _showBackdrop(callback) {\n    const animate = $(this._element).hasClass(CLASS_NAME_FADE) ?\n...