NAS\NASPC
98 lines
2.5 KiB
JavaScript
98 lines
2.5 KiB
JavaScript
/* ============================================
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UMass Amherst - Main JavaScript
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============================================ */
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document.addEventListener('DOMContentLoaded', () => {
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// ---- Mobile Menu ----
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const menuToggle = document.getElementById('menu-toggle');
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const menuClose = document.getElementById('menu-close');
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const mobileMenu = document.getElementById('mobile-menu');
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if (menuToggle) {
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menuToggle.addEventListener('click', () => {
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mobileMenu.classList.add('active');
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document.body.style.overflow = 'hidden';
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});
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}
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if (menuClose) {
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menuClose.addEventListener('click', () => {
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mobileMenu.classList.remove('active');
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document.body.style.overflow = '';
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});
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}
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document.querySelectorAll('.mobile-menu__link').forEach(link => {
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link.addEventListener('click', () => {
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mobileMenu.classList.remove('active');
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document.body.style.overflow = '';
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});
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});
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document.addEventListener('keydown', (e) => {
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if (e.key === 'Escape' && mobileMenu.classList.contains('active')) {
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mobileMenu.classList.remove('active');
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document.body.style.overflow = '';
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}
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});
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// ---- Hero Slider ----
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const slides = document.querySelectorAll('.hero__slide');
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const dots = document.querySelectorAll('.hero__dot');
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let currentSlide = 0;
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let slideInterval;
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function goToSlide(index) {
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slides.forEach(s => s.classList.remove('active'));
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dots.forEach(d => d.classList.remove('active'));
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slides[index].classList.add('active');
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dots[index].classList.add('active');
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currentSlide = index;
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}
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function nextSlide() {
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const next = (currentSlide + 1) % slides.length;
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goToSlide(next);
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}
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function startAutoSlide() {
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slideInterval = setInterval(nextSlide, 5000);
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}
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function resetAutoSlide() {
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clearInterval(slideInterval);
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startAutoSlide();
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}
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dots.forEach(dot => {
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dot.addEventListener('click', () => {
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const index = parseInt(dot.dataset.slide, 10);
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goToSlide(index);
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resetAutoSlide();
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});
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});
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if (slides.length > 1) {
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startAutoSlide();
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}
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// ---- Scroll Animations ----
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const fadeElements = document.querySelectorAll('.fade-up');
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const observer = new IntersectionObserver((entries) => {
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entries.forEach(entry => {
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if (entry.isIntersecting) {
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entry.target.classList.add('visible');
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observer.unobserve(entry.target);
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}
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});
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}, {
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threshold: 0.1,
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rootMargin: '0px 0px -60px 0px'
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});
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fadeElements.forEach(el => observer.observe(el));
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});
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