index.js

/* eslint-disable no-new-wrappers */
'use strict';

var isNonNegativeInteger = require( './../lib' );

console.log( isNonNegativeInteger( 5.0 ) );
// => true

console.log( isNonNegativeInteger( new Number( 5.0 ) ) );
// => true

console.log( isNonNegativeInteger( 0.0 ) );
// => true

console.log( isNonNegativeInteger( 3.14 ) );
// => false

console.log( isNonNegativeInteger( -5.0 ) );
// => false

console.log( isNonNegativeInteger( '5' ) );
// => false

console.log( isNonNegativeInteger( null ) );
// => false