解构赋值

# 一行

let people = { name: null, age: null }
let result = { name: 'Margin', age: 16 }(({ name: people.name, age: people.age } = result))
console.log(people) // {name: 'Margin', age: 16}

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# 基础数据类型

const { length: a } = '1234'
console.log(a) // 4

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# 数组解构

const arr = [1, 2, 3]
const { 0: first, length, [length - 1]: last } = arr
console.log(first, last, length) //1 3 3

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编辑

上次更新: 2023/09/17, 23:41:49

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