Exemples pratiques

💡 Composants interactifs

Menu burger responsive

▶ Résultat ●

HTML CSS JavaScript

Réinitialiser

🔍 Détails techniques

Fonctionnalités :

• Bouton burger animé (→ X au click)
• Navigation responsive (masquée sur mobile)
• Animation des items de menu avec délai progressif
• Accessible au clavier

Points clés :

menuBtn.addEventListener('click', () => {
  nav.classList.toggle('open');
  menuBtn.classList.toggle('active');
});

.nav-item {
  animation: slideIn 0.3s ease forwards;
  animation-delay: calc(var(--i) * 0.1s);
}

---

Toggle de contenu / Accordion

▶ Résultat ●

HTML CSS JavaScript

Réinitialiser

🔍 Détails techniques

Fonctionnalités :

• Chapitres extensibles avec “Voir plus”
• FAQ avec questions dépliables
• Transitions fluides
• Gestion clavier (Enter/Espace)

Code essentiel :

questions.forEach(q => {
  q.addEventListener('click', () => {
    const answer = q.nextElementSibling;
    answer.classList.toggle('open');
  });
});

---

Boutons avec différents effets

▶ Résultat ●

HTML CSS

Réinitialiser

🔍 Voir le code source

Effets disponibles :

• Lift (levée)
• Glow (lueur)
• Ripple (ondulation)
• Slide (glissement)
• Bounce (rebond)

Exemple - Effet Lift :

.btn-lift:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

---

Cartes avec effets hover

▶ Résultat ●

HTML CSS

Réinitialiser

🔍 Voir le code source

Effets disponibles :

• Zoom
• Tilt (inclinaison)
• Flip (retournement)
• Glow (lueur)
• Slide up (glissement)

Exemple - Zoom :

.card-zoom:hover .card-image {
  transform: scale(1.1);
}

---

🎯 Snippets rapides

Smooth scroll

document.querySelectorAll('a[href^="#"]').forEach(link => {
  link.addEventListener('click', (e) => {
    e.preventDefault();
    const target = document.querySelector(link.getAttribute('href'));
    target.scrollIntoView({ behavior: 'smooth' });
  });
});

---

Back to top button

const backToTop = document.querySelector('.back-to-top');

window.addEventListener('scroll', () => {
  if (window.scrollY > 300) {
    backToTop.classList.add('visible');
  } else {
    backToTop.classList.remove('visible');
  }
});

backToTop.addEventListener('click', () => {
  window.scrollTo({ top: 0, behavior: 'smooth' });
});

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

---

Loading spinner

<div class="spinner"></div>

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

---

Toast notification

function showToast(message) {
  const toast = document.createElement('div');
  toast.className = 'toast';
  toast.textContent = message;
  document.body.appendChild(toast);

  setTimeout(() => toast.classList.add('show'), 100);
  setTimeout(() => {
    toast.classList.remove('show');
    setTimeout(() => toast.remove(), 300);
  }, 3000);
}

// Usage
showToast('Chapitre sauvegardé !');

.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 1rem 2rem;
  background: #333;
  color: white;
  border-radius: 0.5rem;
  opacity: 0;
  transition: all 0.3s ease;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

---

Image lightbox simple

const images = document.querySelectorAll('.gallery img');
const lightbox = document.querySelector('.lightbox');
const lightboxImg = lightbox.querySelector('img');

images.forEach(img => {
  img.addEventListener('click', () => {
    lightboxImg.src = img.src;
    lightbox.classList.add('active');
  });
});

lightbox.addEventListener('click', (e) => {
  if (e.target === lightbox) {
    lightbox.classList.remove('active');
  }
});

.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.9);
  align-items: center;
  justify-content: center;
}
.lightbox.active {
  display: flex;
}
.lightbox img {
  max-width: 90%;
  max-height: 90%;
}

---

Tabs / Onglets

<div class="tabs">
  <button data-tab="1" class="active">Chapitre 1</button>
  <button data-tab="2">Chapitre 2</button>
  <button data-tab="3">Chapitre 3</button>
</div>

<div data-content="1" class="tab-content active">Contenu 1</div>
<div data-content="2" class="tab-content">Contenu 2</div>
<div data-content="3" class="tab-content">Contenu 3</div>

const tabs = document.querySelectorAll('[data-tab]');
const contents = document.querySelectorAll('[data-content]');

tabs.forEach(tab => {
  tab.addEventListener('click', () => {
    const target = tab.dataset.tab;

    tabs.forEach(t => t.classList.remove('active'));
    contents.forEach(c => c.classList.remove('active'));

    tab.classList.add('active');
    document.querySelector(`[data-content="${target}"]`).classList.add('active');
  });
});

---

Progress bar animée

.progress {
  height: 8px;
  background: #f0f0f0;
  border-radius: 10px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #667eea, #764ba2);
  width: 0;
  transition: width 1s ease;
}

// Animer à 70%
progressBar.style.width = '70%';

---

🎨 Patterns d’UI courants

Card flip (retournement)

<div class="card-flip">
  <div class="card-front">Face avant</div>
  <div class="card-back">Face arrière</div>
</div>

.card-flip {
  perspective: 1000px;
}
.card-flip:hover .card-front {
  transform: rotateY(180deg);
}
.card-flip:hover .card-back {
  transform: rotateY(0);
}
.card-front,
.card-back {
  transition: transform 0.6s;
  backface-visibility: hidden;
}
.card-back {
  transform: rotateY(-180deg);
}

---

Skeleton loading

.skeleton {
  background: linear-gradient(
    90deg,
    #f0f0f0 25%,
    #e0e0e0 50%,
    #f0f0f0 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

---

Pulse notification badge

.badge {
  position: relative;
}
.badge::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background: red;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.5);
    opacity: 0;
  }
}

---