Function componentDidUpdate

src/PopperContent.js:74–83

()

  }

  componentDidUpdate() {
    if (
      this._element &&
      this._element.childNodes &&
      this._element.childNodes[0] &&
      this._element.childNodes[0].focus
    ) {
      this._element.childNodes[0].focus();
    }
  }

  onClosed() {
    this.props.onClosed();