; i<cellCodeDivs.length; i++) {
        const codeDiv = cellCodeDivs[i];
        if (codeDiv.classList.contains(fromCls)) {
          codeDiv.classList.remove(fromCls);
          codeDiv.classList.add(toCls);
        } 
      }
      return false;
    }
  }
  const hideAllCode = window.document.getElementById("quarto-hide-all-code");
  if (hideAllCode) {
    hideAllCode.addEventListener("click", toggleCodeHandler(false));
  }
  const showAllCode = window.document.getElementById("quarto-show-all-code");
  if