用html 写一个礼花页面
时间: 2023-10-04 12:10:13 浏览: 106
<!DOCTYPE html>
<html>
<head>
<title>礼花页面</title>
<style>
body {
background-color: black;
}
#fireworks {
position: relative;
height: 500px;
width: 100%;
margin: 0 auto;
overflow: hidden;
}
.firework {
position: absolute;
top: 0;
left: 0;
height: 0;
width: 0;
border: 10px solid transparent;
border-bottom-color: #fff;
border-radius: 50%;
animation: explode 1s ease-out forwards;
}
@keyframes explode {
0% {
transform: scale(0);
opacity: 0;
}
50% {
transform: scale(1.5);
opacity: 0.5;
}
100% {
transform: scale(1);
opacity: 1;
}
}
</style>
</head>
<body>
<div id="fireworks">
<script>
function createFirework() {
var firework = document.createElement("div");
firework.classList.add("firework");
var x = Math.floor(Math.random() * window.innerWidth);
var y = Math.floor(Math.random() * window.innerHeight);
firework.style.left = x + "px";
firework.style.top = y + "px";
document.getElementById("fireworks").appendChild(firework);
setTimeout(function() {
firework.remove();
}, 1000);
}
setInterval(function() {
createFirework();
}, 200);
</script>
</div>
</body>
</html>