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一个div跟着一个div运动，第一个div跟着鼠标运动，就可以有一串div跟着鼠标运动起来
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
div{width:10px; height:10px; background:#F00; position:absolute;}
</style>
<script>
function getPos(ev)
{
var scrollTop=document.documentElement.scrollTop||document.body.scrollTop;
var scrollLeft=document.documentElement.scrollLeft||document.body.scrollLeft;
return {x:ev.clientX+scrollLeft,y:ev.clientY+scrollTop};
}
document.onmousemove=function(ev)
{
var aDiv=document.getElementsByTagName(‘div‘);
var aEvent=ev||event;
for(var i=aDiv.length-1;i>0;i--){
aDiv[i].style.left=aDiv[i-1].offsetLeft+‘px‘;//后一个跟着前一个div移动
aDiv[i].style.top=aDiv[i-1].offsetTop+‘px‘;
}
var pos=getPos(aEvent);
aDiv[0].style.left=pos.x+‘px‘;
aDiv[0].style.top=pos.y+‘px‘;
}
</script>
</head>
<body>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</body>
</html>
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原文地址：http://www.cnblogs.com/lzzhuany/p/4542732.html
