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document.addEventListener('DOMContentLoaded', function() {
const welcomeBtn = document.getElementById('welcomeBtn');
if (welcomeBtn) {
welcomeBtn.addEventListener('click', function() {
alert('🎉 Welcome to my homepage! Thanks for visiting! 🎉');
});
}
const colorChangeBtn = document.getElementById('colorChangeBtn');
if (colorChangeBtn) {
colorChangeBtn.addEventListener('click', function() {
const colors = ['#ff6b6b', '#4ecdc4', '#45b7d1', '#96ceb4', '#feca57', '#ff9ff3'];
const randomColor = colors[Math.floor(Math.random() * colors.length)];
document.body.style.backgroundColor = randomColor;
showNotification(`Background changed to ${randomColor}`, 'success');
});
}
const showTimeBtn = document.getElementById('showTimeBtn');
const timeDisplay = document.getElementById('timeDisplay');
if (showTimeBtn && timeDisplay) {
showTimeBtn.addEventListener('click', function() {
const now = new Date();
const timeString = now.toLocaleTimeString();
timeDisplay.textContent = `Current time: ${timeString}`;
timeDisplay.classList.add('fade-in');
setTimeout(() => {
timeDisplay.classList.remove('fade-in');
}, 600);
});
}
const hobbySelect = document.getElementById('hobbySelect');
const hobbySubmit = document.getElementById('hobbySubmit');
const hobbyResponse = document.getElementById('hobbyResponse');
if (hobbySelect && hobbySubmit && hobbyResponse) {
hobbySubmit.addEventListener('click', function() {
const selectedHobby = hobbySelect.value;
if (selectedHobby) {
const responses = {
'programming': 'Great choice! Programming opens up endless possibilities.',
'reading': 'Wonderful! Reading expands our minds and knowledge.',
'gaming': 'Awesome! Games develop strategic thinking skills.',
'music': 'Fantastic! Music is truly universal language.',
'sports': 'Excellent! Sports promote health and teamwork.',
'travel': 'Amazing! Travel broadens our perspectives.'
};
hobbyResponse.textContent = responses[selectedHobby] || 'That sounds interesting!';
hobbyResponse.className = 'mt-3 alert alert-info';
} else {
hobbyResponse.textContent = 'Please select a hobby first!';
hobbyResponse.className = 'mt-3 alert alert-warning';
}
});
}
const contactForm = document.getElementById('contactForm');
const formSuccess = document.getElementById('formSuccess');
if (contactForm && formSuccess) {
contactForm.addEventListener('submit', function(e) {
e.preventDefault();
const name = document.getElementById('name').value;
const email = document.getElementById('email').value;
const message = document.getElementById('message').value;
if (name && email && message) {
showLoadingState(contactForm);
setTimeout(() => {
hideLoadingState(contactForm);
formSuccess.classList.remove('d-none');
contactForm.reset();
setTimeout(() => {
formSuccess.classList.add('d-none');
}, 5000);
}, 1500);
} else {
showNotification('Please fill in all required fields!', 'warning');
}
});
}
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'
});
}
});
});
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);
document.querySelectorAll('.card').forEach(card => {
observer.observe(card);
});
const greetingElement = document.querySelector('header h1');
if (greetingElement) {
const hour = new Date().getHours();
let greeting = '';
if (hour < 12) {
greeting = 'Good Morning';
} else if (hour < 18) {
greeting = 'Good Afternoon';
} else {
greeting = 'Good Evening';
}
setTimeout(() => {
greetingElement.textContent = `${greeting}! Welcome to My Personal Homepage!`;
}, 1000);
}
document.addEventListener('keydown', function(e) {
if (e.key === 'h' || e.key === 'H') {
window.location.href = 'index.html';
}
if (e.key === 'a' || e.key === 'A') {
window.location.href = 'about.html';
}
if (e.key === 'c' || e.key === 'C') {
window.location.href = 'contact.html';
}
});
if (typeof(Storage) !== "undefined") {
let visitCount = sessionStorage.getItem('visitCount') || 0;
visitCount++;
sessionStorage.setItem('visitCount', visitCount);
if (visitCount > 1) {
setTimeout(() => {
showNotification(`Welcome back! This is your visit #${visitCount}`, 'info');
}, 2000);
}
}
console.log('%c👋 Hello Developer!', 'color: #667eea; font-size: 20px; font-weight: bold;');
console.log('%cThis site was built with HTML, CSS, Bootstrap, and JavaScript for CS50 assignment.', 'color: #333; font-size: 14px;');
});
function showNotification(message, type = 'info') {
const notification = document.createElement('div');
notification.className = `alert alert-${type} position-fixed`;
notification.style.cssText = `
top: 20px;
right: 20px;
z-index: 1000;
min-width: 300px;
box-shadow: 0 4px 12px rgba(0,0,0,0.15);
`;
notification.textContent = message;
document.body.appendChild(notification);
setTimeout(() => {
notification.remove();
}, 3000);
}
function showLoadingState(form) {
const submitBtn = form.querySelector('button[type="submit"]');
const originalText = submitBtn.textContent;
submitBtn.innerHTML = '<span class="loading-spinner"></span> Sending...';
submitBtn.disabled = true;
submitBtn.dataset.originalText = originalText;
}
function hideLoadingState(form) {
const submitBtn = form.querySelector('button[type="submit"]');
submitBtn.textContent = submitBtn.dataset.originalText || 'Send Message';
submitBtn.disabled = false;
}
document.addEventListener('visibilitychange', function() {
if (!document.hidden) {
document.title = 'Welcome Back! - My Homepage';
} else {
document.title = 'Come Back Soon! - My Homepage';
}
});
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