function isNonNegativeInteger( value ) {
	return (
		isInteger( value ) &&
		value.valueOf() >= 0
	);
}
Tests if a value is a number object having a nonnegative integer value.

@param {*} value - value to test
@returns {boolean} boolean indicating if a value is a number object having a nonnegative integer value

@example
var bool = isNonNegativeInteger( 3.0 );
// returns false

@example
var bool = isNonNegativeInteger( new Number( 3.0 ) );
// returns true