# 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.

# rangeSelector.allButtonsEnabled

Whether to enable all buttons from the start. By default buttons are only enabled if the corresponding time range exists on the X axis, but enabling all buttons allows for dynamically loading different time ranges.