const navbtn = document.getElementById('nav-btn'); const topshrtct = document.getElementById('top-shrtct'); navbtn.addEventListener('click', () => { const navbar = document.getElementById('navbar'); navbar.classList.toggle('expanded'); navbtn.classList.toggle('expanded'); }); window.addEventListener('scroll', () => { if (window.scrollY > 100) { topshrtct.classList.add('visible'); } else { topshrtct.classList.remove('visible'); } }); topshrtct.addEventListener('click', () => { if (window.scrollY > 100) { window.scrollTo({ top: 0, behavior: 'smooth' }); } }); let links = document.getElementById('navbar').getElementsByTagName('a'); for (let link of links) { link.addEventListener('click', () => { const navbar = document.getElementById('navbar'); navbar.classList.remove('expanded'); navbtn.classList.remove('expanded'); }); } async function updateAge() { setInterval(() => { const birthdate = new Date('2002-02-12T07:35:00Z'); let age = Date.now() - birthdate.getTime(); age = age / 31556952000; age = age.toFixed(9); const ageElement = document.getElementById('age'); ageElement.textContent = age; }, 50); } updateAge();