타입스크립트 배열 타입 선언 방법

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const scores: number[] = [90, 80, 70];

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scores.push(100); // 가능
scores.push("A"); // 오류

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const numbers: number[] = [1, 2, 3];

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const numbers: Array<number> = [1, 2, 3];

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const names: string[] = ["민수", "지영", "현우"];

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const names: Array<string> = ["민수", "지영", "현우"];

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const checkedList: boolean[] = [true, false, true];

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const users: { id: number; name: string }[] = [
  { id: 1, name: "민수" },
  { id: 2, name: "지영" },
];

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type User = {
  id: number;
  name: string;
  isActive: boolean;
};

const users: User[] = [
  { id: 1, name: "민수", isActive: true },
  { id: 2, name: "지영", isActive: false },
];

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const users: Array<User> = [
  { id: 1, name: "민수", isActive: true },
];

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const values: (string | number)[] = ["A", 1, "B", 2];

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const values: string | number[] = [1, 2, 3];

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const numbers: number[] = [1, 2, 3, 4];

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const user: [number, string] = [1, "민수"];

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const names: readonly string[] = ["민수", "지영"];

names.push("현우"); // 오류

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