<!DOCTYPE html>
<html>
<head>
  <title></title>

  <script src="../jquery/jquery-1.10.1.min.js"></script>
  <script src="speed-helpers.js"></script>

  <script type="text/javascript">
    $(function () {
      S.test.before = function () {
        var $body = $('body');

        S.times(100, function () {
          $body.append('<div>' + Math.random() +'</div>');
        });
      };

      S.test.after = function() {
        $('div').remove();
      };

      S.test('.data(key, value)', function () {
     