솔루션 const solution = (array, n) => { const minDiff = Math.min(...array.map((v) => Math.abs(v - n))); console.log(minDiff); const answer = array .sort((a, b) => a - b) .find((a) => Math.abs(a - n) === minDiff); console.log(answer); return answer; }; Math 메서드의 min(최솟값)과 abs(절댓값)을 이용