[Codewars] Quarter of the year (8 kyu) / JavaScript

https://www.codewars.com/kata/5ce9c1000bab0b001134f5af

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DESCRIPTION:

Given a month as an integer from 1 to 12, return to which quarter of the year it belongs as an integer number.

For example: month 2 (February), is part of the first quarter; month 6 (June), is part of the second quarter; and month 11 (November), is part of the fourth quarter.

Constraint:

• 1 <= month <= 12

 

코드

const quarterOf = (month) => {
  return Math.ceil(month / 3);
}