document.addEventListener("DOMContentLoaded", function () { toggleSummary(); }); function toggleSummary() { const openBtns = document.querySelectorAll(".open-js"); const closeBtns = document.querySelectorAll(".close-js"); const detailElements = document.querySelectorAll("details"); openBtns.forEach(function (openBtn) { openBtn.addEventListener("click", function () { detailElements.forEach((detail) => detail.setAttribute("open", "")); }); }); closeBtns.forEach(function (closeBtn) { closeBtn.addEventListener("click", function () { detailElements.forEach((detail) => detail.removeAttribute("open", "")); }); }); }