Returns the string of the field that all rows in this group have been grouped by. (if a function is used to group the rows rather than a field, this function will return false)
The getKey function returns the unique key that is shared between all rows in this group.
The getParentGroup function returns the GroupComponent for the parent group of this group. if no parent exists, this function will return false.
The getRows function returns an array of RowComponent objects, one for each row in the group
The getSubGroups function returns an array of GroupComponent objects, one for each sub group of this group.
The getTable function returns the Tabulator object for the table containing the group
The hide function hides the group if it is visible.
The isVisible function returns a boolean to show if the group is visible, a value of true means it is visible.
The scrollTo function will scroll the table to the group header if it passes the current filters.
The show function shows the group if it is hidden.
The toggle function toggles the visibility of the group, switching between hidden and visible.
The getElement function returns the DOM node for the group header.