This sample helps in visualizing the tooltip of the pointer and the range in a circular gauge.
In this example, you can see how to display the tooltip for the pointer and the range in a circular gauge. The e-circulargauge-tooltip settings is used to enable and customize the tooltip. To see the tooltip in action, hover your mouse over the pointer or the range, or tap them on touch-enabled devices.
More information on the tooltip can be found in this documentation section.