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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