Returns the number of empty cells.
Returns the number of empty cells in the cell range range. A cell that contains blank text such as spaces, or even text with zero length such as returned by ="", is not considered empty, even though it may appear empty.
returns 4 if cells A1, A2, B1 and B2 are all empty.
returns the count of cells that appear blank - that is, that are really empty or that contain blank text or zero length text.
returns the count of cells containing blank text and zero length text.