stdlib/lib/node_modules/@stdlib/assert/is-null-array at develop · stdlib-js/stdlib

stdlib/lib/node_modules/@stdlib/assert/is-null-array at develop · stdlib-js/stdlib

isNullArray

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

Usage

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

isNullArray( value )

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

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

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

Examples

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

See Also

@stdlib/assert/is-array: test if a value is an array.
@stdlib/assert/is-null: test if a value is null.