D3 Examples - Hello World

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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; }
    svg{
      border: 1px solid #000;
    }
  </style>
</head>
​
<body> 
  <svg width ='960' height = '500'>
    <path d='M 150 200 Q 150 50 350 50 Q 500 50 500 200 Q 500 400 300 400 Q 150 400 150 200' 
          fill='yellow' stroke='black'/>
    <path d='M 200 150 L 250 200 M250 150 L197 200' stroke='black' />
    <path d='M 386 156 L 335 200 M335 150 L398 200' stroke='black' />
    <path d='M250 300 L 320 320 L 340 320' stroke='black' />
  </svg>
</body>
​
    