fb_index.html

<!DOCTYPE html>
<html lang="tr">

<head>
  <title>The d3 test</title>
  <style>
    .chart {
      background-color: aliceblue;
    }

    .main text {
      font: 10px sans-serif;
    }

    .axis line,
    .axis path {
      shape-rendering: crispEdges;
      stroke: black;
      fill: none;
    }

    circle {
      fill: red;
      /* shape-rendering: crispEdges; */
    }
  </style>

  <script src="https://d3js.org/d3.v4.min.js"></script>
</head>

<body>
    <svg width="1800" height="1000"></svg>
  <div class='content'>
    <!-- /the chart goes here -->
  </div>
  <script>
  </script>
  <script src="gra.js"></script>
  <script type="text/javascript" src="f_force.js"></script>
</body>

</html>