 sheetView.appendChild("h2").set({
    style: {
      margin: 12,
      cursor: "pointer",
      userSelect: "none",
    },
    text: sheetTitle,
  });
  headerView.addEventListener("click", () => {
    stackController.sheets.addController(createSheetController(i + 1));
  });
  return sheetController;
}
stackController.sheets.addController(createSheetController(1));

stackController.stack.insertView(bodyView);

    </script>
  </body>
</html>
