JS API Reference

Welcome to the Highcharts Gantt JS (gantt) 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.


Format to use for describing the values of data points to assistive technology - including screen readers. The point context is available as {point}.

Additionally, the series name, annotation info, and description added in point.accessibility.description is added by default if relevant. To override this, use the accessibility.point.descriptionFormatter option.