<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({ data: { columns: [ ['data1', 30, 200, 100, 400, 150, 250], ['data2', 50, 20, 10, 40, 15, 25] ], } }); setTimeout(function () { chart.tooltip.show({ x: 1 }); }, 1000); setTimeout(function () { chart.tooltip.show({ index: 3 }); }, 2000); setTimeout(function () { chart.tooltip.show({ data: {x: 2} }); }, 3000); setTimeout(function () { chart.tooltip.hide(); }, 4000); </script> </body> </html>