测测反应速度
<html>
<head>
<style type="text/css">
A {
TEXT-DECORATION: none
}
A:hover {
text-decoration: underline;
}
body {
font-size:12px;
}
input {
font-size:12px;
}
select {
font-family:"Tohoma";font-size:12px;
}
</style>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>Extreme Test--反应速度测试－www.51windows.Net</title>
</head>
<script language="JavaScript">
<!-- hiding for old browsers
// response time test, created by Jasper van Zandbeek
// e-mail: jasperz@stack.urc.tue.nl
var startTime=new Date();
var endTime=new Date();
var startPressed=false;
var bgChangeStarted=false;
var maxWait=20;
var timerID;
function startTest()
{
document.bgColor=document.response.bgColorChange.options[document.response.bgColorChange.selectedIndex].text;
bgChangeStarted=true;
startTime=new Date();
}
function remark(responseTime)
{
var responseString="";
if (responseTime > 0 && responseTime <0.01)
responseString="你还是人吗？"
if (responseTime >.01 && responseTime <.05 )
responseString="你快如闪电啊！";
if (responseTime >= 0.05 && responseTime <.10)
responseString="干得漂亮";
if (responseTime >= 0.10 && responseTime < 0.20)
responseString="不错！";
if (responseTime >=0.20 && responseTime < 0.30)
responseString="还可以更好...";
if (responseTime >=0.30 && responseTime < 0.60)
responseString="多加练习！";
if (responseTime >=0.60 && responseTime < 1)
responseString="喝醉酒了？";
if (responseTime >=1)
responseString="我想你是睡着了！";
return responseString;
}
function stopTest()
{
if(bgChangeStarted)
{
endTime=new Date();
var responseTime=(endTime.getTime()-startTime.getTime())/1000;
document.bgColor="aliceblue";
alert("你的反应时间是：" + responseTime + " 秒 " + "\n" + remark(responseTime));
startPressed=false;
bgChangeStarted=false;
}
else
{
if (!startPressed)
{
alert("先按“开始”键启动测试");
}
else
{
clearTimeout(timerID);
startPressed=false;
alert("骗子！你提早按结束键了！");
}
}
}
var randMULTIPLIER=0x015a4e35;
var randINCREMENT=1;
var today=new Date();
var randSeed=today.getSeconds();
function randNumber()
{
randSeed = (randMULTIPLIER * randSeed + randINCREMENT) % (1 << 31);
return((randSeed >> 15) & 0x7fff) / 32767;
}
function startit()
{
if(startPressed)
{
alert("已经开始了，按“结束”键结束");
return;
}
else
{
startPressed=true;
timerID=setTimeout('startTest()', 6000*randNumber());
}
}
// -->
</script>
<body bgcolor="#FFFFFF" link="#FFFFFF" vlink="#FFFFFF" alink="#FFFFFF" text="#045595" topmargin="5" leftmargin="0">
<p> </p>
<p align="center"><strong>先按“开始”键启动，然后等背景色转变，只要它一变，立即点“结束”键。</strong></p>
<p> </p>
<div align="center">
<strong><font color="#993300">将背景色转变为：</font></strong>
<form name="response">
<select name="bgColorChange" size="1">
<option selected>deeppink</option>
<option>crimson</option>
<option>darkkhaki</option>
<option>darkorchid</option>
<option>coral</option>
<option>chocolate</option>
<option>tomato</option>
<option>darkslategray</option>
<option>limegreen</option>
<option>cornflowerblue</option>
<option>darkolivegreen</option>
</select>
<input onclick="startit()" type="button" value="开始">
<input onclick="stopTest()" type="button" value="结束">
</form>
</div>
</body>
</html>
<div style="position: absolute; top: 10; right: 10; width: 148; height: 18;cursor:hand">
<input type="button" name="Button" value="查看源代码" onClick= 'window.location = "view-source:" + window.location.href'></div>
