tickmarkPlacement property
For categorized axes only. If on
the tick mark is placed in the
center of the category, if between
the tick mark is placed between
categories. The default is between
if the tickInterval
is 1, else
on
. In order to render tick marks on a category axis it is necessary
to provide a tickWidth.
API Docs: https://api.highcharts.com/highcharts/chart.parallelAxes.tickmarkPlacement
Implementation
String? tickmarkPlacement;