警告：以下代码由季雨林本人探索写出，经过IE，FireFox，Chrome测试
发现Chrome（以及360的极速浏览器）浏览器对于javascript的支持明显胜于其他浏览器，请勿在电脑上长时间开启该页面，即使是js引擎强大的Chrome也会在运行半小时之后占用满内存，而其他浏览器甚至不能流畅运行，该页面制作初衷是为了仿造一种屏幕保护效果（雨林木风Linux系统：九宫格屏保），页面刚启动时的CPU占用达到顶峰时开始正常速度运行（200ms切换颜色）
代码如下（新建文本文件写入以下代码，然后把该文件的后缀名改成“.html”即可）：
<!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>Div仿屏幕保护效果 季雨林</title>
<script type="text/javascript" src="divControl.js"></script>
<script type="text/javascript">
var colors =new Array();
colors[0] = "#222";
colors[1] = "#333";
colors[2] = "#444";
colors[3] = "#555";
colors[4] = "#666";
colors[5] = "#777";
colors[6] = "#888";
colors[7] = "#999";
colors[8] = "#aaa";
colors[9] = "#bbb";
function setTimePoint(){
var indexArray = Math.floor((Math.random()*10));
var indexArray2 = Math.floor((Math.random()*10));
var idName = "id"+indexArray;
document.getElementById(idName).style.backgroundColor = colors[indexArray2];
//setTimeout(setTimePoint,100);
setInterval(setTimePoint,300);
}
</script>
<style type="text/css">
body{
text-align:center;
background-color:#9CF;
}
</style>
</head>
<body onload="setTimePoint();">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr height="200px">
<td id="id1"> </td>
<td id="id2"> </td>
<td id="id3"> </td>
</tr>
<tr height="200px">
<td id="id4"> </td>
<td id="id5"> </td>
<td id="id6"> </td>
</tr>
<tr height="200px">
<td id="id7"> </td>
<td id="id8"> </td>
<td id="id9"> </td>
</tr>
</table>
</body>
</html>