脚本说明:
把如下代码加入<body>区域中
<script language="JavaScript">
var startTime=new Date();
var endTime=new Date();
var startPressed=false;
var bgChangeStarted=false;
var maxWait=20;
var timerID;
var colors=new Array("tomato","chocolate","limegreen","crimson","darkslategray",
"aliceblue","mediumslateblue","cornflowerblue","darkorchid","darkkhaki","coral",
"darkolivegreen","cadetblue")
if (document.all||document.getElementById)
document.write('<div id="reflex" style="width:135;height:135;border:1px solid black" onClick="stopTest()"></div>')
function startTest()
{
if (document.all)
document.all.reflex.style.backgroundColor=colors[Math.floor(Math.random()*colors.length)];
else if (document.getElementById)
document.getElementById("reflex").style.backgroundColor=colors[Math.floor(Math.random()*colors.length)];
else if (document.layers)
document.reflexns.document.reflexns_sub.document.bgColor=colors[Math.floor(Math.random()*colors.length)];
bgChangeStarted=true;
startTime=new Date();
}