[정렬] 예제 및 실전문제 해결 (이윤성) #12
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- 신규 스터디원 추가 - 세부 규칙 추가
2yunseong
commented
Dec 2, 2022
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| // 필요한 함수 선언 | ||
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| inputNumbers.sort((a, b) => b - a); // 내림차순 정렬 API |
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sort는 자바스크립트 배열의 내장 API로, 인자로 정렬기준을 알려주는 callback을 전달해줍니다.
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| students.sort((a, b) => a.grade - b.grade); | ||
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| const result = students.map((student) => student.name).join(' '); |
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students 배열 객체에서 이름을 뽑아 결과 문자열을 만들어 주는 로직입니다.
배열 API를 적절하게 사용하면 로직을 간단하게 줄일 수 있습니다.
python 같은 경우도 map, 등의 리스트 API를 제공하니 잘 공부해보시기 바랍니다!
(자바는 아쉽게도 쓸려면 stream으로 변환한 후에 사용해야 될 것 같습니다! 따로 공부해보시기 바랍니다.)
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코멘트로 설명 남기겠습니다.