- `TF = isprop (OBJ, "PROP")`

Return true if `PROP` is a property of the object `OBJ`.

If `OBJ` is an array of objects, return a logical array indicating whether each
object has the property.

See also: `properties`, `ismethod`, `isobject`.

### References

- https://www.mathworks.com/help/matlab/ref/isprop.html
- https://octave.sourceforge.io/octave/function/isprop.html