Configures the appearance adopted by the series border (in area-like series) or the series point border (in bar-like and bubble series) when a user points to the series.
Specifies the dash style of the series line when the series is in the hovered state. Applies only to line-like series.
The following dash styles are available:
The border is a solid, continuous line.
The border is displayed using long dashes.
The border is displayed using dashes.
The border is displayed using dots.
Any combination of 'longDash', 'dash' and 'dot'
The border is displayed by repeating the specified combination. For instance, 'dashdotdash'.