<html>
  <head>
    <link href="/css/c3.css" rel="stylesheet" type="text/css">
  </head>
  <body>
    <div id="chart"></div>

    <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
    <script src="/js/c3.js"></script>
    <script>
      var chart = c3.generate({
        data: {
          columns: [
            ['data1', 30, 200, 100, 400, 150, 250, 50, 100, 250]
          ]
        },
        axis: {
          x: {
            type: 'categorized'
          }
        }
      });

      setTimeout(function () {
        chart.load({columns:[['data2', 30, 20, 50, 40, 60, 50, 100, 200, 300,100]]});
      }, 500);

    </script>
  </body>
</html>