Sample D3.js Program by yesoreyeram

index.html

<!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("width",100).attr("height",100).attr("fill","#eaeaea");
  </script>
</body>