# isArrayArray
> Test if a value is an array of arrays.
## Usage
```javascript
var isArrayArray = require( '@stdlib/assert/is-array-array' );
```
#### isArrayArray( value )
Tests if a `value` is an `array` of `arrays`.
```javascript
var bool = isArrayArray( [ [], [] ] );
// returns true
bool = isArrayArray( [ {}, {} ] );
// returns false
bool = isArrayArray( [] );
// returns false
bool = isArrayArray( {} );
// returns false
bool = isArrayArray( [ null, {} ] );
// returns false
```
## Examples
```javascript
var isArrayArray = require( '@stdlib/assert/is-array-array' );
var bool = isArrayArray( [ [], [], [] ] );
// returns true
bool = isArrayArray( [ [], {} ] );
// returns false
bool = isArrayArray( [] );
// returns false
bool = isArrayArray( {} );
// returns false
bool = isArrayArray( [ 'a', 'b' ] );
// returns false
bool = isArrayArray( null );
// returns false
```