# 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.

# navigator.xAxis.labels

The axis labels show the number or category for each tick.

Since v8.0.0: Labels are animated in categorized x-axis with updating data if `tickInterval` and `step` is set to 1.