Returns the contents of the quadrille cell at (row, col). Returns undefined if the cell doesn’t exist (out of bounds) — and note undefined == null, so such reads count as empty to isEmpty.
Syntax#
read(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] |