- 数组
let [a, b, c] = [1, 2, 3] let [a, [b, c]] = [1, [2, 3]]
注意:左右两边结构格式要保持一致
-
json
let json = {name: 'cc', age: 18, job: 'coder'} let {name, age, job} = json console.log(name, age, job) // 'cc', 18, 'coder'
let json = {name: 'cc', age: 18, job: 'coder'} let {name:n, age:a, job:j} = json console.log(n, a, j) // 'cc', 18, 'coder'
解构时也可以给默认值
let [a, b, c='默认值'] = [1, 2] console.log(a, b, c) // 1, 2, '默认值'
ECMAScript 6知识点总结 --- 解构赋值
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转载自blog.csdn.net/qq_35415374/article/details/83272790
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