isNull
Test if a value is null.
Usage
var isNull = require( '@stdlib/assert/is-null' );
isNull( value )
Tests if a value is null.
var bool = isNull( null ); // returns true
Examples
var isNull = require( '@stdlib/assert/is-null' ); var bool = isNull( null ); // returns true bool = isNull( 'beep' ); // returns false bool = isNull( 5 ); // returns false bool = isNull( void 0 ); // returns false bool = isNull( true ); // returns false bool = isNull( {} ); // returns false bool = isNull( [] ); // returns false bool = isNull( function foo() {} ); // returns false
See Also
@stdlib/assert/is-undefined: test if a value is undefined.@stdlib/assert/is-undefined-or-null: test if a value is undefined or null.