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reactionTester.html
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reactionTester.html
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<!DOCTYPE html>
<html>
<head>
<title>Reaction Game</title>
<style type="text/css">
#shape{
height: 200px;
width: 200px;
background-color: red;
display: none;
position: relative;
}
</style>
</head>
<body>
<p>Yout time : <span id="timeTaken"></span></p>
<div id="shape"></div>
<script type="text/javascript">
var start = new Date().getTime();
function getRandomColor(){
var letters = '0123456789ABCDEF';
var color = '#';
for(var i = 0; i<6;i++)
{
color += letters[Math.floor(Math.random()*16)];
}
return color;
}
function makeShapeappear() {
var left = Math.random() * 500;
var top = Math.random() * 500;
var colorpix = getRandomColor();
if(Math.random() < 0.5)
{
document.getElementById("shape").style.borderRadius = "50%";
}
else{
document.getElementById("shape").style.borderRadius = "0%";
}
document.getElementById("shape").style.backgroundColor = colorpix;
document.getElementById("shape").style.left = left + "px";
document.getElementById("shape").style.top = top + "px";
document.getElementById("shape").style.display = "block";
start = new Date().getTime();
}
function appearAfterDelay()
{
setTimeout(makeShapeappear,Math.random()*2000);
}
appearAfterDelay();
document.getElementById("shape").onclick=function(){
var end = new Date().getTime();
var timeTaken= (end-start)/1000;
document.getElementById("shape").style.display="none";
document.getElementById("timeTaken").innerHTML = timeTaken + "s";
appearAfterDelay();
}
</script>
</body>
</html>