<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.js"></script> <script> var chart = c3.generate({ bindto: '#chart', data: { columns: [ ['sample', 30, 200, 100, 400, 150, 250] ] }, axis: { // rotated: true, }, grid: { y: { // lines: [{value: 30, text:'Label 30'}, {value: 250, text: 'Label 250'}] } } }); setTimeout(function () { chart.ygrids([{value: 130, text:'Label 130'}, {value: 50, text: 'Label 50'}]); }, 1000); setTimeout(function () { chart.ygrids([{value: 130, text:'Label 130', class: 'hoge'}]); }, 2000); setTimeout(function () { chart.ygrids.add([{value: 230, text:'Label 230', class: 'hoge'}]); }, 3000); setTimeout(function () { chart.ygrids.remove({value: 230}); }, 4000); setTimeout(function () { chart.ygrids.remove({class: 'hoge'}); }, 5000); </script> </body> </html>