最新の Web 開発におけるカードの設計と実装

<div>



<h2>
  
  
  Implementaciones
</h2>

<h3>
  
  
  1. Card Básica con CSS
</h3>



<pre class="brush:php;toolbar:false">.card {
  width: 300px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-content {
  padding: 16px;
}

.card-title {
  margin: 0 0 8px;
  font-size: 1.25rem;
}

.card-description {
  color: #666;
  line-height: 1.5;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  margin-top: 16px;
  border-top: 1px solid #eee;
}

<div>



<h3>
  
  
  3. Componente React con TypeScript
</h3>



<pre class="brush:php;toolbar:false">interface CardProps {
  image: string;
  title: string;
  description: string;
  action?: () => void;
  meta?: string;
}

const Card: React.FC<cardprops> = ({
  image,
  title,
  description,
  action,
  meta
}) => {
  return (
    <div classname="card">
      <img src="%7Bimage%7D" alt="{title}" classname="card-image" loading="lazy">
      <div classname="card-content">
        <h2 classname="card-title">{title}</h2>
        <p classname="card-description">{description}</p>

        <div classname="card-footer">
          {action && (
            <button onclick="{action}" classname="card-button">
              Ver más
            </button>
          )}
          {meta && <span classname="card-meta">{meta}</span>}
        </div>
      </div>
    </div>
  );
};
</cardprops>

<template>
  <div>



<h2>
  
  
  Patrones de Diseño
</h2>

<h3>
  
  
  1. Card Grid Responsiva
</h3>



<pre class="brush:php;toolbar:false">.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  padding: 24px;
}

.card-image-container {
  position: relative;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
}

.card-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-skeleton {
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}

<div>



<h2>
  
  
  Mejores Prácticas
</h2>

<ol>
<li>
<strong>Optimización de Imágenes</strong>
</li>
</ol>

<pre class="brush:php;toolbar:false">import Image from 'next/image';

<image src="%7BimageUrl%7D" alt="{title}" width="{300}" height="{200}" placeholder="blur" blurdataurl="{thumbnailUrl}"></image>

const handleImageError = (e: React.SyntheticEvent<htmlimageelement>) => {
  e.currentTarget.src = '/placeholder.jpg';
};

<img src="%7BimageUrl%7D" onerror="{handleImageError}" alt="{title}">
</htmlimageelement>

.card-title {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* Hover Effects */
.card {
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

/* Click Effect */
.card:active {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

<img loading="lazy" src="imagen.jpg" alt="最新の Web 開発におけるカードの設計と実装">

useEffect(() => {
  const observer = new IntersectionObserver(
    (entries) => {
      entries.forEach(entry => {
        if (entry.isIntersecting) {
          // Cargar contenido
        }
      });
    },
    { threshold: 0.1 }
  );

  observer.observe(cardRef.current);
  return () => observer.disconnect();
}, []);