Example of undefined in Javascript Chart Control


This sample illustrates the rendering of symbols in chart. In line based series, data points can be annotated by using symbols.

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Each points in a series can be represented as a symbol through marker. We can also customize the shape, size and color of a symbol through marker properties. Tooltip is enabled in this example, to see the tooltip in action, hover a point or tap on a point in touch enabled devices. More information on the marker can be found in this documentation section.