PBCZ Response Time Code

PB Code Zone

Test Your Response Time

<body bgcolor="FFFFFF" text="0000FF">
<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 < 0.10)
                responseString="Well done!";
        if (responseTime >= 0.10 && responseTime < 0.20)
                responseString="Nice!";
        if (responseTime >=0.20 && responseTime < 0.30)
                responseString="Could be better...";
        if (responseTime >=0.30 && responseTime < 0.60)
                responseString="Keep practising!";
        if (responseTime >=0.60 && responseTime < 1)
                responseString="Have you been drinking?";
        if (responseTime >=1)
                responseString="Did you fall asleep?";

return responseString;
}

function stopTest()
{
        if(bgChangeStarted)
        {
                endTime=new Date();
                var responseTime=(endTime.getTime()-startTime.getTime())/1000;

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;
}

<form name="response">
Change background color to: 
<select name="bgColorChange">
<option selected>deeppink
<option>aliceblue
<option>crimson
<option>darkkhaki
<option>cadetblue
<option>darkorchid
<option>coral
<option>chocolate
<option>mediumslateblue
<option>tomato
<option>darkslategray
<option>limegreen
<option>cornflowerblue
<option>darkolivegreen
</select>
<input type="button" value="start" onClick="startit()">
<input type="button" value="stop" onClick="stopTest()">
</form>

<p align="center"><font face="arial" size="-2">This free script provided by</font><br>
<font face="arial, helvetica" size="-2"><a href="http://javascriptkit.com">JavaScript
Kit</a></font></p>

PB Code Zone 2