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

    <script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
    <script src="/js/c3.js"></script>
    <script>
      var chart = c3.generate({
        data: {
          columns: [
            ['data1', 1030, 1200, 1100, 1400, 1150, 1250],
            ['data2', 2130, 2100, 2140, 2200, 2150, 1850]
//           ['data1', 30, 200, 100, 400, 150, 250],
//           ['data2', 130, 100, 140, 200, 150, 50]
          ],
          type: 'bar',
          onclick: function (d, element) { console.log("onclick", d, element); },
          onmouseover: function (d) { console.log("onmouseover", d); },
          onmouseout: function (d) { console.log("onmouseout", d); }
        },
        axis: {
          x: {
            type: 'categorized'
          }
        },
        bar: {
          width: {
            ratio: 0.3,
//            max: 30
          },
        }
      });
    </script>
  </body>
</html>
