알고리즘 문제 js 40-신규 아이디 추천
내가 쓴 코드 function solution(new_id) { let al = ['1','2','3','4','5','6','7','8','9','0','q','w','e','r','t','y','u','i','o','p','a','s','d','f','g','h','j','k','l','z','x','c','v','b','n','m','-','_','.']; let a = new_id.toLowerCase().split(""); let b =[] for(let i =0; i