<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
*{margin: 0;padding: 0;}
div{
width: 100px;
height: 100px;
position: absolute;
}
</style>
</head>
<body>
<div></div>
<script>
var dropY = 0 //自定义的值
var style = document.styleSheets[0];
amt=[]
for(s=0;s<10;s++){
var amtw = ["@keyframes run"+s+" {0% {transform: translate(0px,0px);}100% {transform: translate("+dropY+"px,"+dropY+"px);}}"];
dropY+=100
amt.push(amtw)
}
for(var i = 0; i<amt.length;i++){
div=document.createElement('div')
div.style.backgroundColor='rgb('+ color(0,255) +','+ color(0,255) +','+ color(0,255) +')'
div.style.animation='run'+i+' '+i+'s forwards'
document.body.appendChild(div)
style.insertRule(amt[i],i);
}
function color(start,end){
return Math.floor(Math.random()*(end-start)+start);
}
</script>
</body>
</html>
原创文章，作者：端木书台，如若转载，请注明出处：https://blog.ytso.com/244308.html