index.html

<!DOCTYPE html>
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<head>
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  <title>Raycaster-JS</title>
  <link rel="stylesheet" href="style.css">
</head>
<body>
  <h1>Raycasting in JS</h1>
  <div class="container">
    <canvas id="rendering-surface"></canvas>
    <canvas id="rendering-surface2"></canvas>
  </div>
  <pre>
    | Keyboard key      | Action
    |:------------------|:-----------------
    | `W`               | Move forward
    | `A`               | Strafe to the left
    | `S`               | Move backward
    | `D`               | Strafe to the right
    | `ArrowLeft`       | Rotate to the left
    | `ArrowRight`      | Rotate to the right
  </pre>
  <script src="raycaster.js"></script>
</body>
</html>