警告：以下代碼由季雨林本人探索寫出，經過IE，FireFox，Chrome測試
發現Chrome（以及360的極速瀏覽器）瀏覽器對於javascript的支持明顯勝於其他瀏覽器，請勿在電腦上長時間開啓該頁面，即使是js引擎強大的Chrome也會在運行半小時之後佔用滿內存，而其他瀏覽器甚至不能流暢運行，該頁面製作初衷是爲了仿造一種屏幕保護效果（雨林木風Linux系統：九宮格屏保），頁面剛啓動時的CPU佔用達到頂峯時開始正常速度運行（200ms切換顏色）
代碼如下（新建文本文件寫入以下代碼，然後把該文件的後綴名改成“.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仿屏幕保護效果 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>