group-aggregates String

The aggregates which are calculated during grouping.

The supported aggregates are:

  • average
  • count
  • max
  • min
  • sum

group-compare Function

A JavaScript function for comparing the groups. For comparing the items of the group, refer to group-compare has the same signature as the compare function which is accepted by Array.sort.

group-dir String

The sorting order of the group.

The supported values are:

  • (Default) asc—Ascending order.
  • desc—Descending order.

group-field String

The data item field to group by.