蝴蝶刀刀
2021-11-12 14:24:56
我基本上想拉出數(shù)組中的第一個(gè)對(duì)象并獲取它的名稱。這里唯一的挑戰(zhàn)是我試圖在父對(duì)象中解構(gòu)它:const exampleObject = { collection: [{ name: "First Object", }, { name: "Second Object", }],};const { collection: [firstObject: { name }]} = exampleObject;console.log(firstObject);有可能嗎?
2 回答

撒科打諢
TA貢獻(xiàn)1934條經(jīng)驗(yàn) 獲得超2個(gè)贊
您需要將其切換為:
{name: firstObject}
| |________ New variable name
|
|_________________ Property name
const exampleObject = {collection: [{name: "First Object",}, {name: "Second Object",}],}
const { collection: [{ name: firstObject }] } = exampleObject
console.log(firstObject)

慕絲7291255
TA貢獻(xiàn)1859條經(jīng)驗(yàn) 獲得超6個(gè)贊
如果你需要第一個(gè)對(duì)象的名字,你應(yīng)該寫
const {
collection: [{ name }]
} = exampleObject;
console.log(name);
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