index.html

<!DOCTYPE html>
<html>

<head>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.7.3/p5.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.7.3/addons/p5.dom.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.7.3/addons/p5.sound.min.js"></script>
  <link rel="stylesheet" type="text/css" href="style.css">
  <meta charset="utf-8" />

</head>

<body>
  <script type="text/javascript" src="rectangle.js"></script>
  <script type="text/javascript" src="frog.js"></script>
  <script type="text/javascript" src="car.js"></script>
  <script type="text/javascript" src="log.js"></script>
  <script type="text/javascript" src="sketch.js"></script>
</body>

</html>