문제

풀이

function solution(before, after) {
    var answer = 1;
    
    let afterArr = after.split("").sort();
    
    let diffStrArr = before.split("").sort().filter((item, index) => {
        return item !== afterArr[index];
    })
    
    if(diffStrArr.length > 0) answer = 0;
    
    
    
    return answer;
}