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ts重点学习30-变量声明和解构笔记

_LEON_ 2022-10-02 阅读 186

export default {}

// 变量声明的方式
// var | let | const



// 数组解构
let goddess = ["邱淑贞", "赵雅芝", "张敏"];
let [ first, second, a, b] = goddess;
// console.log(first);
// console.log(second);
// console.log(a);
// console.log(b);


let [third, ...rest] = ["赵今麦", "蒋依依", "欧阳娜娜", "刘浩存"];
console.log(third); // 赵今麦
console.log(rest); // [ '蒋依依', '欧阳娜娜', '刘浩存' ]
console.log(...rest); // 蒋依依 欧阳娜娜 刘浩存


// axios {code: xxx , aaa: 111, bb:xxx, data: xxx,}
let [, fourth, , fiifth] = [1, 2, 3, 4];
console.log(fourth); // 2
console.log(fiifth); // 4



// 对象解构
let beauty = {
uname: "杨超越",
age: 20,
sex: "女"
}


let {uname, sex} = beauty;
console.log(uname);
console.log(sex);



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