这个效果关键是逻辑,
流动效果
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>流动</title>
<style>
div{
width:50px;
height:50px;
position: absolute;
border-radius: 50%;
top:0px;
left:0px;
}
</style>
</head>
<body>
<div style="background:red"></div>
<div style="background:yellow"></div>
<div style="background:purple"></div>
<div style="background:green"></div>
<div style="background:red"></div>
<div style="background:gold"></div>
<div style="background:red"></div>
<div style="background:yellow"></div>
<div style="background:purple"></div>
<div style="background:green"></div>
<div style="background:red"></div>
<div style="background:gold"></div>
<div style="background:red"></div>
<div style="background:yellow"></div>
<div style="background:purple"></div>
<div style="background:green"></div>
<div style="background:red"></div>
<div style="background:gold"></div>
<div style="background:red"></div>
<div style="background:yellow"></div>
<div style="background:purple"></div>
<div style="background:green"></div>
<div style="background:red"></div>
<div style="background:gold"></div>
</body>
<script>
window.onload=function(){
document.onmousemove=function(event){
var oEvent=event||window.event;
var div=document.querySelectorAll("div");
for(var i=div.length-1;i>0;i--){
div[i].style.left=div[i-1].offsetLeft+"px";
div[i].style.top=div[i-1].offsetTop+"px";
};
div[0].style.left=oEvent.clientX+"px";
div[0].style.top=oEvent.clientY+"px";
}
var timer=setInterval(function(){
var div=document.querySelectorAll("div");
for(var i=div.length-1;i>0;i--){
div[i].style.left=div[i-1].offsetLeft+"px";
div[i].style.top=div[i-1].offsetTop+"px";
}
},40)
}
</script>
</html>