@currankelleher's famous introToD3 examples
artisanally ported to blockbuilder.org by @micahstubbs
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<html>
<head>
<meta charset="utf-8">
<title>SVG Example</title>
</head>
<body>
<svg width="250" height="250">
<rect x="0" y="0" width="50" height="200" fill="gray"/>
<rect x="50" y="200" width="200" height="50" fill="gray"/>
<g transform="translate(50, 0)">
<path d="M0 200 L50 50 L100 150 L150 100 L200 150"
fill="none" stroke="black" stroke-width="10"></path>
</g>
</svg>
</body>
</html>