```
**Explanation of Tags and Choices:**
1. **`` Tag:**
* **"Indicated Airspeed: Pilot Use During Take-off"**: Directly addresses the core topic and the most relevant answer option (without giving away the exact answer).
* **"(Aerospace GATE 2016 Q23)"**: Clearly identifies the source and context for specific exam-takers.
* **"| ExamPrev"**: Includes the brand name for recognition.
* **Length:** Aims for around 50-60 characters, which is ideal for search results.
2. **`<meta name="description">` Tag:**
* **"Discover when a pilot uses Indicated Airspeed (IAS) during flight."**: Starts with a question/hook that directly relates to the content.
* **"Explore options like take-off, navigation, and engine settings..."**: Mentions some of the multiple-choice options, further indicating the content of the page.
* **"Aerospace Engineering GATE 2016 exam question. Understand critical aviation concepts for GATE preparation."**: Reinforces the exam context and adds value for the target audience.
* **Length:** Aims for around 150-160 characters for optimal display in search results.
3. **`<meta name="keywords">` Tag:**
* Includes the primary term ("indicated airspeed," "IAS"), related terms from the options ("take-off," "navigation," "engine RPM," "elevator angle"), the exam context ("aerospace engineering," "GATE exam," "GATE 2016"), and broader categories ("aviation," "flight," "aircraft," "aerodynamics"). While less impactful for SEO ranking directly, it's good for comprehensive tagging.
4. **`<link rel="canonical">`:**
* Crucial for SEO to prevent duplicate content issues, pointing to the definitive version of the page.
5. **Open Graph (`og:`) Tags:**
* Designed for social media platforms (Facebook, LinkedIn, etc.) to control how shared links appear.
* `og:title` and `og:description` are similar to the meta tags but optimized for social sharing.
* `og:url` is the page's URL.
* `og:site_name` is the website's name.
* `og:type` is `article` as it's a content page (or `question` if a specific schema is desired).
* `og:image` and `og:image:alt` are critical for visual engagement on social media; a relevant image (e.g., an aircraft, an instrument panel, or the ExamPrev logo) should be used.
6. **Twitter Card Tags:**
* Similar to Open Graph but specific to Twitter.
* `twitter:card` set to `summary_large_image` provides a prominent image.
* `twitter:site` and `twitter:creator` are for Twitter handles, improving branding and engagement.
7. **Schema.org Microdata (`application/ld+json`):**
* This provides structured data to search engines, helping them understand the content deeply and potentially leading to rich snippets in search results (e.g., showing the question and accepted answer directly).
* Using `QAPage` schema with nested `Question` and `Answer` types is perfect for this content.
* **Placeholders:** Remember to replace the `dateCreated` and image URLs with actual values.
<link href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.2/css/bootstrap.min.css" rel="stylesheet">
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css" rel="stylesheet">
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap" rel="stylesheet">
<style>
:root {
--primary: #6366f1;
--primary-dark: #4f46e5;
--primary-light: #e0e7ff;
--success: #10b981;
--error: #ef4444;
--warning: #f59e0b;
--dark: #0f172a;
--dark-light: #1e293b;
--gray: #64748b;
--gray-light: #f1f5f9;
--white: #ffffff;
--shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.25);
--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.25);
--border-radius: 16px;
--border-radius-sm: 8px;
}
body {
font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
min-height: 100vh;
color: var(--dark);
line-height: 1.6;
}
.background-overlay {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background:
radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
radial-gradient(circle at 75% 75%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
pointer-events: none;
z-index: -1;
}
.container {
max-width: 1024px;
margin: 0 auto;
padding: 0 20px;
}
.progress-container {
flex: 1;
max-width: 300px;
margin: 0 20px;
}
.progress-bar {
width: 100%;
height: 8px;
background: var(--gray-light);
border-radius: 20px;
overflow: hidden;
margin-bottom: 4px;
}
.progress-fill {
height: 100%;
background: linear-gradient(90deg, var(--primary), var(--primary-dark));
border-radius: 20px;
width: 20%;
transition: width 0.3s ease;
}
.progress-text {
font-size: 12px;
color: var(--gray);
text-align: center;
}
.question-meta {
display: flex;
align-items: center;
gap: 12px;
}
.question-number {
background: linear-gradient(135deg, var(--primary), var(--primary-dark));
color: white;
padding: 8px 16px;
border-radius: 20px;
font-weight: 600;
font-size: 14px;
box-shadow: var(--shadow);
}
.difficulty {
padding: 6px 12px;
border-radius: 12px;
font-size: 12px;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.5px;
}
.difficulty.easy { background: linear-gradient(135deg, #dcfce7, #bbf7d0); color: #166534; }
.difficulty.medium { background: linear-gradient(135deg, #fef3c7, #fde68a); color: #d97706; }
.difficulty.hard { background: linear-gradient(135deg, #fecaca, #fca5a5); color: #dc2626; }
/* Main Content */
.main-content {
padding: 32px 0;
}
.content-wrapper {
display: grid;
grid-template-columns: 1fr 8fr 1fr;
gap: 24px;
align-items: start;
}
.left-spacer,
.right-spacer {
/* Empty spacer columns for large screens */
}
.question-card {
background: var(--white);
border-radius: var(--border-radius);
padding: 20px;
margin-bottom: 24px;
box-shadow: var(--shadow-lg);
border: 1px solid rgba(229, 231, 235, 0.2);
grid-column: 2;
}
/* Question Badge with Menu */
.question-badge-container {
display: flex;
align-items: center;
justify-content: space-between;
margin-bottom: 24px;
position: relative;
}
.question-type-badge {
display: inline-flex;
align-items: center;
gap: 8px;
background: var(--primary-light);
color: var(--primary-dark);
padding: 8px 16px;
border-radius: 20px;
font-size: 13px;
font-weight: 600;
flex: 1;
}
.menu-button {
background: none;
border: none;
color: var(--gray);
font-size: 18px;
padding: 8px;
border-radius: 50%;
cursor: pointer;
transition: all 0.2s ease;
display: flex;
align-items: center;
justify-content: center;
width: 36px;
height: 36px;
position: relative;
}
.menu-button:hover {
background: var(--gray-light);
color: var(--dark);
}
.menu-button.active {
background: var(--primary-light);
color: var(--primary-dark);
}
/* Dropdown Menu */
.dropdown-menu {
position: absolute;
top: 100%;
right: 0;
background: var(--white);
border-radius: var(--border-radius-sm);
box-shadow: var(--shadow-lg);
border: 1px solid rgba(229, 231, 235, 0.3);
min-width: 200px;
z-index: 1000;
opacity: 0;
transform: translateY(-10px);
pointer-events: none;
transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.dropdown-menu.show {
opacity: 1;
transform: translateY(0);
pointer-events: auto;
}
.dropdown-item {
display: flex;
align-items: center;
gap: 12px;
padding: 12px 16px;
color: var(--dark);
text-decoration: none;
font-size: 14px;
font-weight: 500;
border: none;
background: none;
width: 100%;
text-align: left;
cursor: pointer;
transition: background-color 0.2s ease;
border-bottom: 1px solid rgba(229, 231, 235, 0.3);
}
.dropdown-item:last-child {
border-bottom: none;
}
.dropdown-item:hover {
background: var(--gray-light);
}
.dropdown-item i {
color: var(--gray);
width: 16px;
text-align: center;
}
.dropdown-item.contributor {
cursor: default;
color: var(--gray);
font-weight: 400;
}
.dropdown-item.contributor:hover {
background: none;
}
.dropdown-item.contributor .contributor-name {
color: var(--primary-dark);
font-weight: 600;
}
.dropdown-item.report:hover {
background: rgba(16, 185, 129, 0.1);
color: var(--success);
}
.dropdown-item.copyright:hover {
background: rgba(239, 68, 68, 0.1);
color: var(--error);
}
/* Overlay for closing dropdown */
.dropdown-overlay {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
z-index: 999;
opacity: 0;
pointer-events: none;
transition: opacity 0.2s ease;
}
.dropdown-overlay.show {
opacity: 1;
pointer-events: auto;
}
.question-text {
font-size: 17px;
font-weight: 600;
color: var(--dark);
margin-bottom: 32px;
line-height: 1.4;
}
/* Enhanced MCQ Options */
.mcq-options {
display: grid;
gap: 10px;
margin-bottom: 32px;
}
.option {
background: var(--white);
border: 2px solid rgba(99, 102, 241, 0.1);
border-radius: var(--border-radius);
padding: 10px;
cursor: pointer;
transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
display: flex;
align-items: center;
gap: 16px;
position: relative;
overflow: hidden;
}
.option::before {
content: '';
position: absolute;
top: 0;
left: 0;
width: 4px;
height: 100%;
background: var(--primary);
transform: scaleY(0);
transition: transform 0.3s ease;
}
.option:hover {
transform: translateY(-2px);
box-shadow: var(--shadow-lg);
border-color: var(--primary);
}
.option:hover::before {
transform: scaleY(1);
}
.option.selected {
background: var(--primary-light);
border-color: var(--primary);
transform: translateY(-2px);
box-shadow: var(--shadow-lg);
}
.option.selected::before {
transform: scaleY(1);
}
.option.correct {
background: linear-gradient(135deg, #f0fdf4, #dcfce7) !important;
border-color: var(--success) !important;
animation: correctPulse 0.6s ease;
}
.option.incorrect {
background: linear-gradient(135deg, #fef2f2, #fecaca) !important;
border-color: var(--error) !important;
animation: incorrectShake 0.6s ease;
}
.option-label {
width: 40px;
height: 40px;
border-radius: 50%;
background: var(--gray-light);
display: flex;
align-items: center;
justify-content: center;
font-weight: 700;
color: var(--gray);
flex-shrink: 0;
transition: all 0.3s ease;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.option.selected .option-label {
background: var(--primary);
color: white;
transform: scale(1.1);
}
.option.correct .option-label {
background: var(--success);
color: white;
}
.option.incorrect .option-label {
background: var(--error);
color: white;
}
.option-text {
flex: 1;
font-size: 14px;
font-weight: 500;
}
/* Action Buttons */
.actions {
display: flex;
gap: 16px;
justify-content: center;
}
.btn {
padding: 14px 28px;
border-radius: var(--border-radius);
border: none;
font-weight: 600;
cursor: pointer;
transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
font-size: 16px;
display: flex;
align-items: center;
gap: 10px;
text-decoration: none;
position: relative;
overflow: hidden;
}
.btn::before {
content: '';
position: absolute;
top: 0;
left: -100%;
width: 100%;
height: 100%;
background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
transition: left 0.5s;
}
.btn:hover::before {
left: 100%;
}
.btn-primary {
background: linear-gradient(135deg, var(--primary), var(--primary-dark));
color: white;
box-shadow: var(--shadow);
}
.btn-primary:hover {
transform: translateY(-2px);
box-shadow: var(--shadow-lg);
}
.btn-secondary {
background: var(--white);
color: var(--gray);
border: 2px solid rgba(100, 116, 139, 0.2);
}
.btn-secondary:hover {
background: var(--gray-light);
transform: translateY(-1px);
}
/* Explanation Card */
.explanation {
background: linear-gradient(135deg, #f0fdf4, #dcfce7);
border: 1px solid #bbf7d0;
border-radius: var(--border-radius);
padding: 0;
margin-top: 0;
max-height: 0;
opacity: 0;
overflow: hidden;
transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.explanation.show {
max-height: 200px;
opacity: 1;
padding: 24px;
margin-top: 24px;
}
.explanation h4 {
color: #166534;
margin-bottom: 12px;
display: flex;
align-items: center;
gap: 10px;
font-size: 18px;
font-weight: 700;
}
.explanation p {
color: #15803d;
line-height: 1.7;
font-size: 15px;
}
/* Similar Questions */
.similar-section {
background: var(--white);
border-radius: var(--border-radius);
padding: 32px;
margin-bottom: 24px;
box-shadow: var(--shadow-lg);
border: 1px solid rgba(229, 231, 235, 0.2);
grid-column: 2;
}
.section-title {
font-size: 20px;
font-weight: 700;
color: var(--dark);
margin-bottom: 24px;
display: flex;
align-items: center;
gap: 12px;
}
.similar-questions-grid {
display: grid;
gap: 16px;
}
.similar-question {
background: var(--white);
border: 1px solid rgba(99, 102, 241, 0.1);
border-radius: var(--border-radius-sm);
padding: 20px;
cursor: pointer;
transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
position: relative;
overflow: hidden;
}
.similar-question::before {
content: '';
position: absolute;
top: 0;
left: 0;
width: 4px;
height: 100%;
background: var(--primary);
transform: scaleY(0);
transition: transform 0.3s ease;
}
.similar-question:hover {
transform: translateY(-2px);
box-shadow: var(--shadow);
border-color: var(--primary);
}
.similar-question:hover::before {
transform: scaleY(1);
}
.similar-question-text {
font-size: 16px;
color: var(--dark);
margin-bottom: 12px;
font-weight: 500;
line-height: 1.5;
}
.similar-question-meta {
display: flex;
justify-content: space-between;
align-items: center;
font-size: 14px;
color: var(--gray);
}
.question-id {
font-weight: 600;
color: var(--primary);
}
/* Tags */
.tags-section {
background: var(--white);
border-radius: var(--border-radius);
padding: 32px;
box-shadow: var(--shadow-lg);
border: 1px solid rgba(229, 231, 235, 0.2);
grid-column: 2;
}
.tags-grid {
display: flex;
flex-wrap: wrap;
gap: 12px;
}
.tag {
background: var(--white);
color: var(--primary-dark);
padding: 10px 18px;
border-radius: 20px;
font-size: 14px;
font-weight: 500;
border: 2px solid var(--primary-light);
cursor: pointer;
transition: all 0.3s ease;
position: relative;
overflow: hidden;
}
.tag::before {
content: '';
position: absolute;
top: 0;
left: -100%;
width: 100%;
height: 100%;
background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
transition: left 0.5s;
}
.tag:hover::before {
left: 100%;
}
.tag:hover {
background: var(--primary);
color: white;
transform: translateY(-2px);
box-shadow: var(--shadow);
}
/* Animations */
@keyframes correctPulse {
0%, 100% { transform: scale(1); }
50% { transform: scale(1.02); }
}
@keyframes incorrectShake {
0%, 100% { transform: translateX(0); }
25% { transform: translateX(-4px); }
75% { transform: translateX(4px); }
}
/* Responsive Design */
@media (max-width: 768px) {
.container {
padding: 0 16px;
}
.content-wrapper {
grid-template-columns: 1fr;
gap: 16px;
}
.question-card,
.similar-section,
.tags-section {
grid-column: 1;
padding: 24px 20px;
}
.header-content {
flex-wrap: wrap;
}
.progress-container {
order: 3;
flex-basis: 100%;
max-width: none;
margin: 12px 0 0 0;
}
.question-text {
font-size: 17px;
}
.option {
padding: 16px;
gap: 12px;
}
.option-label {
width: 36px;
height: 36px;
}
.actions {
flex-direction: column;
}
.btn {
width: 100%;
justify-content: center;
}
.section-title {
font-size: 18px;
}
.main-content {
padding: 24px 0;
}
.dropdown-menu {
right: -10px;
min-width: 180px;
}
}
@media (max-width: 480px) {
.logo {
font-size: 20px;
}
.question-number {
padding: 6px 12px;
font-size: 12px;
}
.question-text {
font-size: 18px;
}
.option {
padding: 14px;
gap: 10px;
}
.option-label {
width: 32px;
height: 32px;
font-size: 14px;
}
.btn {
padding: 12px 20px;
font-size: 15px;
}
.content-wrapper {
grid-template-columns: 1fr;
gap: 12px;
}
.question-card,
.similar-section,
.tags-section {
grid-column: 1;
padding: 20px 16px;
}
}
/* Loading state */
.loading {
display: inline-block;
width: 20px;
height: 20px;
border: 3px solid rgba(255, 255, 255, 0.3);
border-radius: 50%;
border-top-color: #fff;
animation: spin 1s ease-in-out infinite;
}
@keyframes spin {
to { transform: rotate(360deg); }
}
</style>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="csrf-token" content="vAO4dht8cFMelt4oCsaZ9bHEZCYh7ZZnbFlEtyam">
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Aerospace Engineering > GATE 2016 > Aircraft Instruments
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Indicated airspeed is used by a pilot during
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What is the worst-case time complexity of insertion in an AVL tree?
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Which operations on a binary search tree have O(h) complexity?
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Compare search complexities of sorted array vs balanced BST.
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<script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>
<script>
// Get data from Laravel controller
const user = null;
const sampleNotifications = [];
// Global variables to store menu elements
let notificationBtn, notificationMenu, notificationOverlay, notificationBadge;
// Generate notification content function
function generateNotificationContent() {
if (!user) {
return `
<div class="login-prompt">
<i class="fas fa-user-lock"></i>
<h6>Sign in to View Notifications</h6>
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});
content += '</div>';
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content += `
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}
return content;
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if (notificationOverlay) notificationOverlay.classList.remove('show');
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if (typeof closeLoginModal === 'function') {
closeLoginModal();
}
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if (notificationOverlay) notificationOverlay.classList.add('show');
}
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notificationBtn = document.getElementById('notificationBtn');
notificationMenu = document.getElementById('notificationMenu');
notificationOverlay = document.getElementById('notificationOverlay');
notificationBadge = document.getElementById('notificationBadge');
if (!notificationBtn || !notificationMenu) {
console.error('Notification elements not found');
return;
}
// Populate notification menu
notificationMenu.innerHTML = generateNotificationContent();
// Toggle notification dropdown
notificationBtn.addEventListener('click', function(e) {
e.preventDefault();
e.stopPropagation();
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openLoginModal();
}
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// Additional click handling for mobile
profileBtn.addEventListener('click', function(e) {
e.stopPropagation();
if (profileMenu) {
const isVisible = profileMenu.style.opacity === '1' || window.getComputedStyle(profileMenu).opacity === '1';
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profileMenu.style.visibility = 'hidden';
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profileMenu.style.visibility = 'visible';
profileMenu.style.transform = 'translateY(0)';
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});
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const loginModal = document.getElementById('loginModal');
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window.closeLoginModal();
}
});
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if (loginModal) {
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e.stopPropagation();
});
}
}
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function markAsRead(notificationId) {
if (!user || !sampleNotifications) return;
const notification = sampleNotifications.find(n => n.id === notificationId);
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notification.unread = false;
// Update badge count
const unreadCount = sampleNotifications.filter(n => n.unread).length;
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fetch('/notifications/mark-read', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').getAttribute('content')
},
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notification_id: notificationId
})
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.then(data => {
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console.log('Notification marked as read');
}
})
.catch(error => {
console.error('Error marking notification as read:', error);
// Revert the change if request failed
notification.unread = true;
const unreadCount = sampleNotifications.filter(n => n.unread).length;
if (notificationBadge) {
notificationBadge.textContent = unreadCount;
notificationBadge.style.display = unreadCount > 0 ? 'block' : 'none';
}
if (notificationMenu) {
notificationMenu.innerHTML = generateNotificationContent();
}
});
}
}
// Initialize when DOM is loaded
document.addEventListener('DOMContentLoaded', function() {
console.log('DOM loaded, initializing...');
initializeNotifications();
initializeProfile();
initializeLoginModal();
});
// Function to add new notification (for testing or real-time updates)
function addNewNotification(notification) {
if (user && sampleNotifications) {
sampleNotifications.unshift(notification);
// Update badge and content
if (notificationBadge) {
const unreadCount = sampleNotifications.filter(n => n.unread).length;
notificationBadge.textContent = unreadCount;
notificationBadge.style.display = unreadCount > 0 ? 'block' : 'none';
}
if (notificationMenu) {
notificationMenu.innerHTML = generateNotificationContent();
}
}
}
// Function to refresh notifications from server
function refreshNotifications() {
if (!user) return;
fetch('/notifications/get', {
method: 'GET',
headers: {
'Content-Type': 'application/json',
'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').getAttribute('content')
}
})
.then(response => response.json())
.then(data => {
if (data.success && data.notifications) {
// Update notifications array
sampleNotifications.length = 0;
sampleNotifications.push(...data.notifications);
// Update UI
if (notificationBadge) {
const unreadCount = sampleNotifications.filter(n => n.unread).length;
notificationBadge.textContent = unreadCount;
notificationBadge.style.display = unreadCount > 0 ? 'block' : 'none';
}
if (notificationMenu) {
notificationMenu.innerHTML = generateNotificationContent();
}
}
})
.catch(error => {
console.error('Error refreshing notifications:', error);
});
}
// Auto-refresh notifications every 30 seconds if user is logged in
if (user) {
setInterval(refreshNotifications, 30000);
}
function updateVisitorCount(count) {
const countDiv = document.getElementById('visitorCount');
countDiv.innerHTML = '';
const countString = count.toString();
for (let digit of countString) {
const digitSpan = document.createElement('span');
digitSpan.classList.add('digit');
digitSpan.textContent = digit;
countDiv.appendChild(digitSpan);
}
}
window.onload = function() {
try
{
const currentUrl = window.location.href;
if (currentUrl === "https://examprev.com/contribute-answer-with-examprev")
{
const branchSelect = document.getElementById('branchSelect');
const selectedBranch = branchSelect.value;
fetchQuestions(selectedBranch);
}
console.log("Page loaded successfully without errors.");
}
catch(error)
{
console.error("An error occurred:", error.message);
}
const csrfToken = document.querySelector('input[name="_token"]')?.value;
if (!csrfToken) {
console.error('CSRF token not found');
return;
}
const currentURL = window.location.href;
const formData = new FormData();
// Assuming csrf() is a function that returns the CSRF token.
formData.append('currentUrl', currentURL);
async function fetchVisitorCount() { // Make the function async
try {
const response = await fetch('/getVisitorCount', {
method: 'POST',
headers: {
'X-CSRF-TOKEN': csrfToken
},
body: formData
});
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json(); // Parse the JSON response
updateVisitorCount(data.count); // Assuming the response has a 'count' property
} catch (error) {
console.error("Error fetching visitor count:", error);
updateVisitorCount(12345888); // Fallback if fetch fails
}
}
fetchVisitorCount(); // Call the async function
};
function scrollPagination(direction) {
const container = document.getElementById("paginationContainer");
const scrollAmount = 100; // Adjust scroll distance
container.scrollBy({ left: direction * scrollAmount, behavior: "smooth" });
}
function ensureActivePageVisible() {
const container = document.getElementById("paginationContainer");
const activePage = document.querySelector(".custom-pagination-button.active");
if (activePage) {
const containerRect = container.getBoundingClientRect();
const activePageRect = activePage.getBoundingClientRect();
// Check if the active page is outside the visible scroll area
if (activePageRect.left < containerRect.left || activePageRect.right > containerRect.right) {
container.scrollLeft += (activePageRect.left - containerRect.left) - (container.offsetWidth / 2) + (activePage.offsetWidth / 2);
}
}
}
// Ensure current page is visible when the page loads
document.addEventListener("DOMContentLoaded", ensureActivePageVisible);
document.querySelectorAll(".option").forEach(fieldset => {
fieldset.addEventListener("click", function () {
let questionId = this.getAttribute("data-question-id");
let messageElement = document.getElementById("message-" + questionId);
// Prevent multiple attempts per question
if (document.querySelector(`[data-question-id='${questionId}'].correct`) || document.querySelector(`[data-question-id='${questionId}'].incorrect`)) {
return;
}
let legend = this.querySelector("legend");
legend.style.visibility = "visible";
legend.style.fontFamily = "'Poppins', sans-serif";
if (this.getAttribute("data-correct") === "true") {
this.classList.add("correct");
legend.innerText = "Correct";
legend.classList.add("correct-text");
messageElement.innerText = "Correct! ๐";
messageElement.style.color = "green";
} else {
this.classList.add("incorrect");
legend.innerText = "Incorrect";
legend.classList.add("incorrect-text");
messageElement.innerText = "Incorrect! โ Try again.";
messageElement.style.color = "red";
// Highlight correct answers within the same question
document.querySelectorAll(`[data-question-id='${questionId}'][data-correct='true']`).forEach(correctOption => {
correctOption.classList.add("correct");
let correctLegend = correctOption.querySelector("legend");
correctLegend.style.visibility = "visible";
correctLegend.innerText = "Correct";
correctLegend.classList.add("correct-text");
});
}
});
});
</script></html>