ts中8大数据类型

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// 1.boolean
let isTrue: boolean = false;
console.log(isTrue);

// 2.string
let str: string = "jianan";
console.log(str);

// 3.number
let age: number = 26;
console.log(age);

// 4.数组
let arr: number[] = [1, 2, 3];

let arr2: Array<string> = ["1", "2", "3", "4"];
console.log(arr[0], arr2[0]);

// 5.元组
let tup: [number, string] = [27, "jianan"];
console.log(tup);
console.log(tup[0], tup[1]);

let a: Array<[number, string]> = [[27, "jianan"], [28, "xixi"]];
console.log(a);

// 6.enum
enum color {
    red = 2,
    green,
    yellow
}

let c = color.green;
console.log(c);

// 7.any
let notsure: any = {
    a: 0,
    b: 2
};

// 8.void类型
function test(n: number): void {
    console.log(11);
}