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react.html
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react.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Reaction Timer </title>
<style>
#shape{ width: 200px;
height: 200px;
background-color: red;
display: none;
position: relative;
};
body{
font-family: Arial, Helvetica, sans-serif;
}
</style>
</head>
<body>
<div style="text-align: center">
<h1>Test Your Reaction!</h1>
<p>Click on the Boxes and Circles as quickly as you can!</p>
<strong><p> Your Time: <span id="timeTaken"></span></p> </strong>
<div id="shape"></div>
</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 top = Math.random() * 400;
var left = Math.random() * 400;
var top = Math.random()*400;
var width = (Math.random() *200) + 100;
if(Math.random() > 0.5){
document.getElementById('shape').style.borderRadius = '50%'
}else{
document.getElementById('shape').style.borderRadius = '0'
};
document.getElementById('shape').style.backgroundColor= getRandomColor();
document.getElementById('shape').style.width = width + 'px';
document.getElementById('shape').style.height = width+ 'px';
document.getElementById('shape').style.top = top + 'px';
document.getElementById('shape').style.left = left +'px';
document.getElementById('shape').style.display = 'Block';
start = new Date().getTime();
}
function appearAfterDelay() {
setTimeout(makeShapeAppear, Math.random() * 2000)
}
appearAfterDelay();
document.getElementById('shape').onclick = function (){
document.getElementById('shape').style.display = 'none';
var end = new Date().getTime();
var timeTaken = (end- start)/ 1000;
document.getElementById('timeTaken').innerHTML = timeTaken + 's';
appearAfterDelay();
}
</script>
</body>