Method handle_plotly_hover

js/src/widget.ts:1275–1277

* Handle plotly_hover events emitted by the Plotly.js library * @param data

(data: any)

   * @param data
   */
  handle_plotly_hover(data: any) {
    this._send_points_callback_message(data, "plotly_hover");
  }

  /**
   * Handle plotly_unhover events emitted by the Plotly.js library