isEmpty(row, col)
Returns true if the cell found at (row, col) is empty and false otherwise. Only cells defined as null are considered empty.
Syntax
isEmpty(row, col)
Parameters
| Param | Description |
|---|---|
row | Number: row index of the cell to be read ∈ [0..height] |
col | Number: column index of the cell to be read ∈ [0..width] |