{ header.addEventListener("click", () => { const body = header.nextElementSibling; const icon = header.querySelector(".icon"); body.style.display = body.style.display === "block" ? "none" : "block"; icon.textContent = icon.textContent === "+" ? "-" : "+"; }); });" /> { header.addEventListener("click", () => { const body = header.nextElementSibling; const icon = header.querySelector(".icon"); body.style.display = body.style.display === "block" ? "none" : "block"; icon.textContent = icon.textContent === "+" ? "-" : "+"; }); });"> { header.addEventListener("click", () => { const body = header.nextElementSibling; const icon = header.querySelector(".icon"); body.style.display = body.style.display === "block" ? "none" : "block"; icon.textContent = icon.textContent === "+" ? "-" : "+"; }); });" />