<html> <head> <link rel="stylesheet" type="text/css" href="/css/c3.css"> </head> <body> <div id="chart"></div> <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> <script src="/js/c3.min.js"></script> <script> var chart = c3.generate({ bindto: '#chart', data: { x : 'date', x_format : '%Y%m%d', columns: [ // ['x', '2013-01-01', '2013-01-02', '2013-01-03', '2013-01-04', '2013-01-05', '2013-01-06'], ['date', '20130101', '20130102', '20130103', '20130104', '20130105', '20130106'], ['sample', 30, 200, 100, 400, 150, 250] ] }, axis : { x : { type : 'timeseries' } }, grid: { x: { lines: [{ value: '20130104', text: '2013/01/04', class: 'lineFor20130104' }] } } }); </script> </body> </html>