解构数组中的嵌套对象

Question

我基本上想拉出数组中的第一个对象并获取它的名称。这里唯一的挑战是我试图在父对象中解构它：const exampleObject = {  collection: [{    name: "First Object",  }, {    name: "Second Object",  }],};const {  collection: [firstObject: {    name  }]} = exampleObject;console.log(firstObject);有可能吗？

Answer 1

您需要将其切换为：

{name: firstObject}

  |        |________ New variable name

  |    

  |_________________ Property name

const exampleObject = {collection: [{name: "First Object",}, {name: "Second Object",}],}

const { collection: [{ name: firstObject }] } = exampleObject

console.log(firstObject)

Answer 2

如果你需要第一个对象的名字，你应该写

const {

  collection: [{ name }]

} = exampleObject;

console.log(name);