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File size: 2,667 Bytes
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// Initialize animations on scroll
const observerOptions = {
threshold: 0.1,
rootMargin: '0px 0px -50px 0px'
};
const observer = new IntersectionObserver(function(entries) {
entries.forEach(entry => {
if (entry.isIntersecting) {
entry.target.classList.add('fade-in');
}
});
}, observerOptions);
// Observe all sections
document.addEventListener('DOMContentLoaded', function() {
const sections = document.querySelectorAll('section');
sections.forEach(section => {
observer.observe(section);
});
// Mobile menu toggle
const mobileMenuButton = document.getElementById('mobile-menu-button');
const mobileMenu = document.getElementById('mobile-menu');
if (mobileMenuButton && mobileMenu) {
mobileMenuButton.addEventListener('click', function() {
mobileMenu.classList.toggle('hidden');
});
}
// Smooth scroll for anchor links
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
anchor.addEventListener('click', function (e) {
e.preventDefault();
const target = document.querySelector(this.getAttribute('href'));
if (target) {
target.scrollIntoView({
behavior: 'smooth',
block: 'start'
});
}
});
});
// Form validation
const forms = document.querySelectorAll('form');
forms.forEach(form => {
form.addEventListener('submit', function(e) {
e.preventDefault();
// Add your form validation logic here
console.log('Form submitted');
});
});
});
// Counter animation for numbers
function animateCounter(element, target, duration = 2000) {
let start = 0;
const increment = target / (duration / 16);
function updateCounter() {
start += increment;
if (start < target) {
element.textContent = Math.floor(start);
requestAnimationFrame(updateCounter);
} else {
element.textContent = target;
}
}
updateCounter();
}
// Lazy loading images
const imageObserver = new IntersectionObserver((entries, observer) => {
entries.forEach(entry => {
if (entry.isIntersecting) {
const img = entry.target;
img.src = img.dataset.src;
img.classList.remove('lazy');
imageObserver.unobserve(img);
}
});
});
document.addEventListener('DOMContentLoaded', () => {
const lazyImages = document.querySelectorAll('img.lazy');
lazyImages.forEach(img => imageObserver.observe(img));
}); |