function solution(str1, str2) {
let obj1 = {};
let obj2 = {};
for (let i = 0; i < str1.length; i++) {
if (!obj1[str1[i]]) {
obj1[str1[i]] = 1;
} else {
obj1[str1[i]]++;
}
}
for (let i = 0; i < str2.length; i++) {
if (!obj2[str2[i]]) {
obj2[str2[i]] = 1;
} else {
obj2[str2[i]]++;
}
}
for (let key in obj1) {
if (obj1[key] !== obj2[key]) return 'No';
}
return 'YES';
}
let a = 'abaCC';
let b = 'Caaab';
console.log(solution(a, b));
이렇게 풀면 안좋은 점이 있을까요?