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The Highcharts demo you reference is a vertical bar chart of browser marketshare. When you click on one of the browsers a second vertical bar chart is displayed showing marketshare of each version of that browser. Clicking a version returns you to the previous chart. nvd3 models support click and hover listeners using d3's dispatcher that you can read more about on d3's github wiki here [1]. If you browse the nvd3 source of the historicalBar chart you can see where the dispatcher is set [2]. So you are going to write a function that is called when the 'elementClick' event is fired that accepts as a parameter the series that is being clicked. now that you know the series that is clicked, you can switch the data and have the chart redrawn. I hope this helps, it took me a while to track down how nvd3 uses click and hover listeners. here is an example of the dispatcher being used on the front page of nvd3: <pre><code>chart.stacked.dispatch.on('areaClick.updateExamples', function(e) { setTimeout(function() { mainExample.update(); exampleOne.update(); //exampleTwo.update(); exampleThree.update(); }, 100); }) </code></pre> [1] <a href="https://github.com/mbostock/d3/wiki/Internals#events" rel="noreferrer">https://github.com/mbostock/d3/wiki/Internals#events</a> [2] <a href="https://github.com/novus/nvd3/blob/master/src/models/historicalBar.js#L23" rel="noreferrer">https://github.com/novus/nvd3/blob/master/src/models/historicalBar.js#L23</a>
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