83 lines
1.9 KiB
JavaScript
83 lines
1.9 KiB
JavaScript
|
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;
|
||
|
|
|
||
|
|
document.bgColor="black";
|
||
|
|
alert("Your response time is: " + responseTime + " seconds " + "\n" + remark(responseTime));
|
||
|
|
startPressed=false;
|
||
|
|
bgChangeStarted=false;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (!startPressed)
|
||
|
|
{
|
||
|
|
alert("Press start first to start test.");
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
clearTimeout(timerID);
|
||
|
|
startPressed=false;
|
||
|
|
alert("You pressed STOP too early!");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
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("Already started. Press stop to stop");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
startPressed=true;
|
||
|
|
timerID=setTimeout('startTest()', 6000*randNumber());
|
||
|
|
}
|
||
|
|
}
|