The laps of a group with the lowest and highest of a number, for marking
them on a chart; null with fewer than two laps that have a finite value,
or when they tie. Ties go to the earlier lap. Every finite value counts,
so return undefined from value for a lap that has none (as
lapSpeed does).
The laps of a group with the lowest and highest of a number, for marking them on a chart; null with fewer than two laps that have a finite value, or when they tie. Ties go to the earlier lap. Every finite value counts, so return undefined from
valuefor a lap that has none (as lapSpeed does).