# Orders > List of ndarray orders.
## Usage ```javascript var orders = require( '@stdlib/ndarray/orders' ); ``` #### orders() Returns a list of ndarray orders. ```javascript var out = orders(); // returns [ 'row-major', 'column-major' ] ``` The output `array` contains the following orders: - `row-major`: row-major (C-style) order. - `column-major`: column-major (Fortran-style) order.
## Examples ```javascript var indexOf = require( '@stdlib/utils/index-of' ); var orders = require( '@stdlib/ndarray/orders' ); var ORDERS = orders(); var bool; function isOrder( str ) { if ( indexOf( ORDERS, str ) === -1 ) { return false; } return true; } bool = isOrder( 'row-major' ); // returns true bool = isOrder( 'column-major' ); // returns true bool = isOrder( 'beep' ); // returns false ```