자바스크립트 배열메서드
점수가 Integer 값으로 들어올 때 const dataInteger = [ { "year": "2022", "month": "3", "koreaScore": 72, "EnglishScore": 86, "MathScore": 41, "teacher": ["김철수", "John Smith", "Emily Lee"] }, { "year": "2022", "month": "4", "koreaScore": 94, "EnglishScore": 68, "MathScore": 75, "teacher": ["이영희", "Sophia Kim"] }, { "year": "2022", "month": "5", "koreaScore": 33, "EnglishScore": 55, "MathScore": 87, "teacher..