练习2-飘落的花朵
阅读以下代码并解释功能
附加：替换花朵的形状和飘落的方向
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>飘落的花朵</title>
<style>
body {
overflow: hidden;
background-color: #f0f8ff;
height: 100vh;
margin: 0;
position: relative;
}
.flower {
position: absolute;
width: 20px;
height: 20px;
background-color: #FF69B4; /* 花朵颜色 */
border-radius: 50%; /* 圆形 */
animation: fall linear forwards;
}
@keyframes fall {
0% {
transform: translateY(0);
opacity: 1;
}
100% {
transform: translateY(100vh);
opacity: 0;
}
}
</style>
</head>
<body>
<script>
document.body.addEventListener('click', function(event) {
const flower = document.createElement('div');
flower.className = 'flower';
flower.style.left = `${event.clientX - 10}px`; // 调整位置以居中
flower.style.top = `${event.clientY - 10}px`; // 调整位置以居中
flower.style.animationDuration = `${Math.random() * 3 + 2}s`;
document.body.appendChild(flower);
// 动画结束后移除花朵
flower.addEventListener('animationend', () => {
flower.remove();
});
});
</script>
</body>
</html>
