let hobbies: string[] //문자열 배열 hobbies = ['Sports', 'Cooking'] //그 외) number[] //숫자 배열 boolean[] //불린 값 배열
let person: { name: string; age: number; }; person = { name: 'Max', age: 32 } //오류의 경우 person = { isEmployee: true; }
let people: { name: string; age: number; }[];