Gets or sets the Javascript Chart Model of the chart for the purpose of support track cursors.

To support track cursors in a web application, the browser would need know certain details of the chart, its data, chart type and axis configuration. The Javascript Chart Model is a textual representation of those information. The WebChartViewer will send it to the browser to be used by the browser side JsChartViewer.

The format of the Javascript Chart Model is not published.