# 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.

# series.xrange.data.labelrank

The rank for all this point's data labels in case of collision. If two data labels are about to overlap, only the one with the highest `labelrank` will be drawn.

The `labelrank` set on `series.dataLabels` takes precedence over this.