D3 Examples - flag of france

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
    svg { width:100%; height: 100% }
  </style>
</head>
​
<body>
  <script>
    var svg = d3.select("body").append("svg")
    svg.append("rect")
      .attr({x: 100, y: 20, width: 150, height: 300})
      .style({ fill: "#0000ff"})
    svg.append("rect")
      .attr({x: 250, y: 20, width: 150, height: 300})
      .style({ fill: "#ffffff"})  
    svg.append("rect")
      .attr({x: 400, y: 20, width: 150, height: 300})
      .style({ fill: "#ff0000"})  
​
    console.log("you are now rocking with d3", d3);
  </script>
</body>
​
    