this._element.style.display = 'block'\n    this._element.removeAttribute('aria-hidden')\n    this._element.setAttribute('aria-modal', true)\n    this._element.setAttribute('role', 'dialog')\n\n    if ($(this._dialog).hasClass(CLASS_NAME_SCROLLABLE) && modalBody) {\n      modalBody.scrollTop = 0\n    } else {\n      this._element.scrollTop = 0\n    }\n\n    if (transition) {\n      Util.reflow(this._element)\n    }\n\n    $(this._element).addClass(CLASS_NAME_SHOW)\n\n    if (this._config.focus) {\n      this._enforceFocus()\n...