Question

我知道如何对对象数组进行操作，但是从来没有必要将数组数据填充到另一个数组中。我需要将名字+姓氏字段填充到出生数组的名字字段中

let birth = [
    {name: '' }
]

首先我的数组为空，我想用这些数据填充它

let names = [
   {firstname: "Julien", lastname: "DEHAIS"},
   {firstname: "Cyril", lastname: "GUIGUIAN"},
   {firstname: "Pascal", lastname: "BOUTRIN"},
   {firstname: "Franck", lastname: "BORDERIE"},
   {firstname: "Arnold", lastname: "GIRARD"}
]

得到这样的东西

let birth = [
    {name: 'Julien DEHAIS' },
    {name: 'Cyril GUIGUIAN' },
    {name: 'Pascal BOUTRIN' },
    {name: 'Franck BORDERIE' },
    {name: 'Arnold GIRARD' }
]

请有人帮助我

Answer 1

您可以使用map()并返回具有name属性的新对象

let names = [ {firstname: "Julien", lastname: "DEHAIS"}, {firstname: "Cyril", lastname: "GUIGUIAN"}, {firstname: "Pascal", lastname: "BOUTRIN"}, {firstname: "Franck", lastname: "BORDERIE"}, {firstname: "Arnold", lastname: "GIRARD"} ]

const res = names.map(x => ({name: `${x.firstname} ${x.lastname}`}))
console.log(res)

Answer 2

简单的map：

let names = [{firstname:"Julien",lastname:"DEHAIS"},{firstname:"Cyril",lastname:"GUIGUIAN"},{firstname:"Pascal",lastname:"BOUTRIN"},{firstname:"Franck",lastname:"BORDERIE"},{firstname:"Arnold",lastname:"GIRARD"}];
const res = names.map(({ firstname, lastname }) => ({ name: firstname + " " + lastname }));
console.log(res);

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ES5语法：

var names = [{firstname:"Julien",lastname:"DEHAIS"},{firstname:"Cyril",lastname:"GUIGUIAN"},{firstname:"Pascal",lastname:"BOUTRIN"},{firstname:"Franck",lastname:"BORDERIE"},{firstname:"Arnold",lastname:"GIRARD"}];
var res = names.map(function(e) {
  return { name: e.firstname + " " + e.lastname };
});
console.log(res);

.as-console-wrapper { max-height: 100% !important; top: auto; }

如何将一个对象的字段推入另一个对象数组

2 个答案: