# 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.gantt.inactiveOtherPoints

Highlight only the hovered point and fade the remaining points.

Scatter-type series require enabling the 'inactive' marker state and adjusting opacity. Note that this approach could affect performance with large datasets.