Welcome to the Highcharts JS (highcharts) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

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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.