# isNullArray

> Test if a value is an array-like object containing only null values.

<section class="usage">

## Usage

```javascript
var isNullArray = require( '@stdlib/assert/is-null-array' );
```

#### isNullArray( value )

Tests if a `value` is an array-like object containing only `null` values.

```javascript
var bool = isNullArray( [ null, null, null ] );
// returns true

bool = isNullArray( [ null, NaN, null ] );
// returns false
```

</section>

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<section class="examples">

## Examples

<!-- eslint no-undef: "error" -->

```javascript
var isNullArray = require( '@stdlib/assert/is-null-array' );

var bool = isNullArray( [ null ] );
// returns true

bool = isNullArray( [ null, null, null ] );
// returns true

bool = isNullArray( null );
// returns false

bool = isNullArray( 'beep' );
// returns false

bool = isNullArray( [ null, 'boop' ] );
// returns false

bool = isNullArray( [] );
// returns false
```

</section>

<!-- /.examples -->

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</section>

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