# 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.

# series.column.threshold

The Y axis value to serve as the base for the columns, for distinguishing between values above and below a threshold. If `null`, the columns extend from the padding Y axis minimum.