<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>wasm sand</title>
</head>
<body>
<canvas id="sand" width="800" height="600"></canvas>
<script src="sand.js"></script>
</body>
</html>