localeCompare()๋ฅผ ์ฌ์ฉํ๋ฉด ๋ ๋ฌธ์์ด์ ์ฝ๊ฒ ๋น๊ตํ ์ ์๋ค.
const solution = (strings, n) => {
let answer = strings.sort((a, b) => {
if (a[n] === b[n]) {
return a.localeCompare(b);
} else {
return a[n].localeCompare(b[n]);
}
});
return answer;
}
728x90