{\n      this.config = {\n        ...this.config,\n        trigger: 'manual',\n        selector: ''\n      }\n    } else {\n      this._fixTitle()\n    }\n  }\n\n  _fixTitle() {\n    const titleType = typeof this.element.getAttribute('data-original-title')\n\n    if (this.element.getAttribute('title') || titleType !== 'string') {\n      this.element.setAttribute(\n        'data-original-title',\n        this.element.getAttribute('title') || ''\n      )\n\n      this.element.setAttribute('title', '')\n...