practice/index.html at master · deepesh162/practice · GitHub

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<html>
  <head>
  <title> functions </title>
  <style type="text/css">
  #shape{

  width: 200px;
  height: 200px;
  background-color: red;
  display:none;
  position:relative;
  }
  </style>
  </head>

  <body>
  <h1 style="color:red">Test Your Reactions Man...</h1>
  <h3 style="color:blue">Click On Boxes & circles</h3>
  <p> </p>
  <hr>
  <h2>time taken:: <span id="tt"></span></h2>
  <div id="shape"></div>
  <script type="text/javascript">
  var start=new Date().getTime();

  function getRandomColor()
  {
  var letters="0123456789ABCDEF".split('');
  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 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.top=top+"px";
  document.getElementById("shape").style.left=left+"px";
  document.getElementById("shape").style.width=width+"px";
  document.getElementById("shape").style.height=width+"px";
  document.getElementById("shape").style.backgroundColor=getRandomColor();
  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 timet=(end-start)/1000;
  document.getElementById("tt").innerHTML=timet+" sec";
  appearAfterDelay();
  }


  </script>
  </body>
</html>