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<html lang="">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>p5.js example</title>
<style> body {padding: 0; margin: 0;} </style>
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.7.2/p5.js"></script>
<!-- <script src="../addons/p5.dom.min.js"></script> !-->
<script src="sketch.js"></script>
<p>click to generate colors</p>
</head>
<body>
</body>
</html>
https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.7.2/p5.js