[Codewars] Simple multiplication (8 kyu) / JavaScript

https://www.codewars.com/kata/583710ccaa6717322c000105

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DESCRIPTION:

This kata is about multiplying a given number by eight if it is an even number and by nine otherwise.

 

코드

function simpleMultiplication(number) {
    return number % 2 === 0 ? number * 8 : number * 9;
}