Question

我需要这种格式：

{ 0: 'apples', 1: 'oranges', 2: 'lemons' }

我曾经有一个没有键的数组，但是在应用Object.assign之后，我目前有这种格式：

{ 0: {code: "apples"}, 1: {code: "oranges"}, 2: {code: "lemons"} }

对于将其转换为第一种格式的任何建议，我将不胜感激。

Answer 1

您需要通过取出code重新组合对象。

此方法使用（即将使用）Object.fromEntries。

var object = { 0: { code: "apples" }, 1: { code: "oranges" }, 2: { code: "lemons" } },
    result = Object.fromEntries(Object.entries(object).map(([key, { code }]) => [key, code]));

console.log(result);

Answer 2

尝试

const data = { 0: 'apples', 1: 'oranges', 2: 'lemons' }
const result = Object.keys(data).reduce((acc, ele, i)=>({...acc, [i]: {code: data[i]}}), {});

console.log(result);

Answer 3

let o = { 0: {code: "apples"}, 1: {code: "oranges"}, 2: {code: "lemons"} };
let oNew = {};
for (let prop in o) { 
   oNew[prop] = o[prop].code;
}
console.log(oNew);

Answer 4

使用array从object到reduce：

console.log(['apples', 'oranges',  'lemons' ].reduce((p,c,i)=>({...p, [i]:c}), {}))

将对象的对象转换为单个对象

4 个答案: