<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 generate = function () { return c3.generate({ data: { columns: [ ['data1', 30, 200, 100], ['data2', 50, 20, 10], ['data3', 150, 120, 110] ], type: 'bar' }, bar: { space: 0.25 } }); }, chart = generate(); </script> </body> </html>