The removeClass() method removes the specified CSS class from all cells of a row header.
DayPilot.Row.removeClass(className)
className (string) - CSS class name to remove from all cells of the row header
className
dp.rows.find("A").removeClass("resource-a");
DayPilot.Row.addClass()
DayPilot.Row Class
Availability of this API item in DayPilot editions: