[Algorithm] 27 week(7.18 ~ 7.24) 1/3

프로그래머스 없는 숫자 더하기

function solution(numbers) {
    const solutionNumbers = [0,1,2,3,4,5,6,7,8,9];
    
    return solutionNumbers.filter((number) => !numbers.includes(number)).reduce((arr, acc) => arr + acc, 0);
}