D3 Examples - test svg

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>
​
<body>
  <svg width="900" height="600">
    <rect x="200" y="200" width="100" height="200" style="fill: blue">
    </rect>
    <rect x="320" y="300" width="100" height="100">
    </rect>
    <circle cx="250" cy="72" r="10" style="fill: none; stroke: blue ">
    </circle>
    <circle cx="370" cy="150" r="20">
    </circle>
    <line x1="200" y1="178" x2="400"
y2="400" style="stroke: red;">
  </svg>
</body>
​
    