Chapter 3 Summary In this chapter, we developed interactive functionalities around charts using JavaScript. Using the FusionCharts JavaScript capabilities we: Programmatically accessed a chart on a page. Developed functionalities around various events raised by the charts. Dynamically updated chart data and retrieved data from the chart to provide functionalities involving manipulation of the chart data. Programmatically modified chart cosmetics. We also learned how to track chart errors by using the debug messages. In our next chapter, we will add drill-down functionality to our charts using various concepts that we have gathered in this chapter.