utput_area
      output_area._bokeh_element_id = output.metadata[EXEC_MIME_TYPE]["id"];
    }
    if (output.metadata[EXEC_MIME_TYPE]["server_id"] !== undefined) {
      const bk_div = document.createElement("div");
      bk_div.innerHTML = output.data[HTML_MIME_TYPE];
      const script_attrs = bk_div.children[0].attributes;
      for (let i = 0; i < script_attrs.length; i++) {
        toinsert[toinsert.length - 1].firstChild.setAttribute(script_attrs[i].name, script_attrs[i].value);
        toinsert[toins