Configures tooltips.
Specifies a custom template for a tooltip.
template
Number
The index of the bar being pressed or hovered over. 0 for the bar closest to the gauge's center, 1 for the bar over it, etc.
The raw value.
String
The formatted value converted to a string.
Allows you to change tooltip appearance.
Function
Object
Information on the bar value.
A zero-based index of the hovered bar. The closer this bar is to the gauge's center, the greater its index.
The tooltip's text or markup and color.
Boolean