DIGI

<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title>Super Simple requestAnimationFrame </title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css">
<style>
div {
  width: 10px;
  height: 10px;
  background: orange;
  float: left;
}

button {
  position: absolute;
  top: 20px;
  left: 20px;
}
#stop {
  left: 100px;
}    
</style>
</head>
<body>

<button id="start">start</button>
<button id="stop">stop</button>

  <script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<script src='https://s.cdpn.io/3/reqAnimFramePolyfill.js'></script>
<script>

var globalID;

function repeatOften() {
  $("<div />").appendTo("body");
  globalID = requestAnimationFrame(repeatOften);
}

globalID = requestAnimationFrame(repeatOften);

$("#stop").on("click", function() {
  cancelAnimationFrame(globalID);
});
$("#start").on("click", function() {
  globalID = requestAnimationFrame(repeatOften);
});
</script>

</body>
</html>