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.

series.item.connectNulls

Whether to connect a graph line across null points, or render a gap between the two points on either side of the null.

In stacked area chart, if connectNulls is set to true, null points are interpreted as 0.