# 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.waterfall.dashStyle

A name for the dash style to use for the line connecting the columns of the waterfall series. Possible values: Dash, DashDot, Dot, LongDash, LongDashDot, LongDashDotDot, ShortDash, ShortDashDot, ShortDashDotDot, ShortDot, Solid

In styled mode, the stroke dash-array can be set with the `.highcharts-graph` class.