JS API Reference

Welcome to the Highcharts JS (highcharts) Options Reference

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

Feel free to search this API through the search bar or the navigation tree in the sidebar.


The line width of the whiskers, the horizontal lines marking low and high values. When undefined, the general lineWidth applies.

In styled mode, the whisker stroke width can be set with the .highcharts-boxplot-whisker class.