[프로그래머스] JadenCase 문자열 만들기

문제

JadenCase 문자열 만들기

문제풀이

function solution(s) {
    var answer = '';
    var arr = [];
    arr = s.split(' ');
    
    for (var i = 0; i < arr.length; i++) {
        var sentence = [...arr[i]];
        if (sentence[0] >= 'a' && sentence[0] <= 'z') {
            var word = sentence[0];
            var UPPERCASE_WORD = String.fromCharCode(word.charCodeAt(0) - 32);
            sentence[0] = UPPERCASE_WORD;
            
        }
        for (var j = 1; j < sentence.length; j++) {
             if (sentence[j] >= 'A' && sentence[j] <= 'Z') {
                var word = sentence[j];
                var LOWERCASE_WORD = String.fromCharCode(word.charCodeAt(0) + 32);
                sentence[j] = LOWERCASE_WORD;
            }
        }        
       answer += ' ' + sentence.join('');
        
    }
    
    answer = answer.substring(1);    

    return answer;
}