The rows.collapseAll() method collapses all nodes of the JavaScript Gantt Chart component task tree.
Available since 2024.4.6201.
DayPilot.Gantt.rows.collapseAll()
gantt.rows.collapseAll();
DayPilot.Gantt.rows.expandAll()
DayPilot.Gantt Class
Availability of this API item in DayPilot editions: