# JS API Reference

# Welcome to the Highcharts JS 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.

# plotOptions.errorbar.whiskerLength

The length of the whiskers, the horizontal lines marking low and high values. It can be a numerical pixel value, or a percentage value of the box width. Set `0` to disable whiskers.