# isArray > Test if a value is an array.
## Usage ```javascript var isArray = require( '@stdlib/assert/is-array' ); ``` #### isArray( value ) Tests if a value is an `array`. ```javascript var bool = isArray( [] ); // returns true ```
## Examples ```javascript var isArray = require( '@stdlib/assert/is-array' ); var bool = isArray( [ 1, 2, 3, 4 ] ); // returns true bool = isArray( {} ); // returns false ```