<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>