# isOdd > Test if a 32-bit integer is odd.
## Usage ```javascript var isOdd = require( '@stdlib/math/base/assert/int32-is-odd' ); ``` #### isOdd( x ) Tests if 32-bit integer is odd. ```javascript var bool = isOdd( 5 ); // returns true bool = isOdd( -2 ); // returns false bool = isOdd( 0 ); // returns false ```
## Examples ```javascript var randu = require( '@stdlib/random/base/randu' ); var round = require( '@stdlib/math/base/special/round' ); var isOdd = require( '@stdlib/math/base/assert/int32-is-odd' ); var bool; var x; var i; for ( i = 0; i < 100; i++ ) { x = round( randu()*100.0 ); bool = isOdd( x ); console.log( '%d is %s', x, ( bool ) ? 'odd' : 'not odd' ); } ```