css上下滚动

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS 上下滚动示例</title>
    <style>
        .scroll-container {
            height: 200px; /* 固定高度 */
            overflow-y: scroll; /* 允许垂直滚动 */
            border: 1px solid #ccc;
        }
    </style>
</head>
<body>
    <div class="scroll-container">
        <p>这是第一段内容。</p>
        <p>这是第二段内容。</p>
        <p>这是第三段内容。</p>
        <!-- 更多内容 -->
    </div>
</body>
</html>

.scroll-container::-webkit-scrollbar {
    width: 10px;
}

.scroll-container::-webkit-scrollbar-thumb {
    background-color: #888;
}

.scroll-container::-webkit-scrollbar-thumb:hover {
    background-color: #555;
}

document.querySelector('.scroll-container').addEventListener('scroll', function() {
    if (this.scrollTop + this.clientHeight >= this.scrollHeight) {
        // 滚动到底部，加载更多内容
        console.log('加载更多内容');
    }
});