标签：style blog http color io os java ar for
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<style type="text/css">
div
{
width: 20px;
height: 20px;
background-color: red;
position: absolute;
}
</style>
<script type="text/javascript">
function getPosition(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 }
}
window.onload = function () {
document.onmousemove = function (ev) {
var arrDiv = document.getElementsByTagName("div");
var oEvent = ev || event;
var pos = getPosition(oEvent);
for (var i = arrDiv.length - 1; i > 0; i--) {
arrDiv[i].style.left = arrDiv[i - 1].offsetLeft + "px";
arrDiv[i].style.top = arrDiv[i - 1].offsetTop + "px";
}
arrDiv[0].style.left = pos.x + "px";
arrDiv[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>
</body>
</html>
标签：style blog http color io os java ar for
原文地址：http://www.cnblogs.com/alphafly/p/3971973.html
