isImage(row, col)
Returns true if the cell at (row, col) contains a valid image-related type such as an image, graphics, or framebuffer, or if it is a video element, and false otherwise.
Syntax
isImage(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] |