# 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.

# tooltip.crosshairs

Since 4.1, the crosshair definitions are moved to the Axis object in order for a better separation from the tooltip. See xAxis.crosshair.