A more complicated example of a digital clock.
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<head>
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.7.3/p5.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.7.3/addons/p5.dom.js"></script>
<script language="javascript" type="text/javascript" src="z_purview_helper.js"></script>
<script language="javascript" type="text/javascript" src="clock_tom.js"></script>
<script language="javascript" type="text/javascript" src="runner.js"></script>
</head>
<body style="background-color:white">
<div class="outer">
<div class="inner">
<div id="canvasContainer"></div>
</div>
</div>
</table>
<br>
<a href="part1.html">part1</a>
<a href="part2.html">part2</a>
</body>
https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.7.3/p5.js
https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.7.3/addons/p5.dom.js