本文主要是介绍HTML云朵下雨案例,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
效果:
代码:
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>乌云下雨</title>
</head>
<style >body{background-color: white;display: flex;}.yun{margin: auto;display: flex;width: 100%;height: 100vh;}.WuYun {width: 330px;height: 80px;background-color: #a1a1a1;margin: auto;border-radius: 50px;position: relative;}.WuYun::after{content: '';width: 330px;height: 6px;border-radius: 3px;background-color: #a1a1a1;position: absolute;bottom: -120px;left: 0;}.One{background-color: #a1a1a1;border-radius: 50%;position: absolute;z-index: -1;}.One_A{width: 100px;height: 100px;border-color: red;top: -60px;left: 10px;}.One_B{width: 150px;height: 150px;border-color: #42b983;top: -110px;right: 80px;}.One_C{border-color: yellow;width: 90px;height: 90px;top: -50px;right: 15px;}button{position: absolute;left: 60%;bottom: 200px;}#but{left: 65%;}.WuYun span{width: 10px;height: 10px;background-color: black;display: inline-block;margin: 0 13px;z-index: 999;/* 动画开启 */animation-name:xiayu;/* 完成时间 */animation-duration:calc(var(--RanDom)*4s);/* 循环执行 */animation-iteration-count:infinite;/* 开始时间 */animation-delay:-2s; }@keyframes xiayu {0%{transform: translateY(54px) scale(0);border-radius: 30%;height: 10px;}100%{transform: translateY(160px) scale(0.8) ;border-radius: 50%;height: 20px;opacity: 0;}}
</style>
<body>
<div class="yun"><div class="WuYun"><div class="One One_A"></div><div class="One One_B" ></div><div class="One One_C"></div></div><button>点击下雨</button><button id="but">彩色雨</button>
</div>
</body>
<script>// 创建雨滴的方法function SetRain(){let i=0;let MyWuYun=document.getElementsByClassName('WuYun')[0];for(i;i<20;i++){// 创建span节点let Span=document.createElement('span');Span.style=`--RanDom:${Math.random()}`;// 向父元素里面追加span标签MyWuYun.appendChild(Span); }};// 获取按钮下雨let But=document.getElementsByTagName('button'),Tag=true;// 点击下雨事件But[0].onclick=function(){if(Tag){SetRain()Tag=false;}else{return ;} };// 彩虹糖But[1].onclick=function(){for(let i=0;i<document.getElementsByTagName('span').length;i++){document.getElementsByTagName('span')[i].style.backgroundColor=`rgb(${Math.random()*100},${Math.random()*100},${Math.random()*100})`}}</script>
</html>
这篇关于HTML云朵下雨案例的文章就介绍到这儿,希望我们推荐的文章对编程师们有所帮助!