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// 数组的类型

let fibonacci: number[] = [1, 1, 2, 3, 5]

// 联合类型的数组

let fibonacci1: (number | string)[] = [1, '1', 2, 3, 5]

// 数组泛型

let fibonacci2: Array<number> = [1, 1, 2, 3, 5]