document.addEventListener('DOMContentLoaded', () => { const now = new Date(); const yesterday = new Date(now.getFullYear(), now.getMonth(), now.getDate() - 1); function parseDateDMY(d) { const [day, month, year] = d.split('-').map(Number); const fullYear = year { const datumEl = item.querySelector('.datum'); if (!datumEl) return; const date = parseDateDMY(datumEl.textContent.trim()); if (date 2020) { item.style.display = 'none'; } else { item.style.display = ''; } }); });