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HierarchyRowMeta

Since v3.9.0

Position of a flattened row in the hierarchy, as announced through aria-level / aria-setsize / aria-posinset.

PropertyTypeDescription
levelnumber1-based nesting level (aria-level).
setSizenumberNumber of siblings in the row’s list (aria-setsize).
posInSetnumber1-based position among its siblings (aria-posinset).