源码
复制粘贴代码 在同级别下放一张图片fire.png接可以了
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>烟花特效</title>
<style>
*{
margin: 0;
padding: 0;
}
body{
position: relative;
width: 100vw;
height: 100vh;
overflow: hidden;
background-color: #000;
}
.aniAvtive{
animation: bloom 2s ease-in-out infinite;
}
@keyframes bloom {
0%{
transform: scale(0);
filter: hue-rotate(0deg);
}
80%,100%{
transform: scale(1.5);
filter: hue-rotate(180deg);
}
}
</style>
</head>
<body>
<button class="but">暂停自动绽放</button>
<button class="start">开启自动绽放</button>
<script>
//返回随机值的函数
function getBodyWidthRand(size){
//获取body的宽高
let bodyObj=document.querySelector("body")
let w=bodyObj.clientWidth