maintain js events\n    this.setElementContent($tip.find(SELECTOR_TITLE), this.getTitle())\n    let content = this._getContent()\n    if (typeof content === 'function') {\n      content = content.call(this.element)\n    }\n\n    this.setElementContent($tip.find(SELECTOR_CONTENT), content)\n\n    $tip.removeClass(`${CLASS_NAME_FADE} ${CLASS_NAME_SHOW}`)\n  }\n\n  // Private\n  _getContent() {\n    return this.element.getAttribute('data-content') ||\n      this.config.content\n  }\n\n  _cleanTipClass()...