<html> <head> <link href="/css/c3.css" rel="stylesheet" type="text/css"> </head> <body> <div id="chart"></div> <script src="http://d3js.org/d3.v5.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>