const arrA = [
{name: "张三",age: '18',sex: '男',class: "六年级一班",hobby: '唱歌'}
];
const arrB = [
{sex: '女',age: '12',addr: "北京"}
]
const arrC = [
{
name: "张三",age: '22',sex: '女',class: "六年级一班",hobby: '唱歌',addr: "北京"}
]
Object.assign https://www.jianshu.com/p/d5f572dd3776
const arrA = [
{name: "张三",age: '18',sex: '男',class: "六年级一班",hobby: '唱歌'}
];
const arrB = [
{sex: '女',age: '12',addr: "北京"}
]
const arrC = [Object.assign(arrA[0],arrB[0])];console.log(arrC)
所以到底是什么操作?
arrA = [{name:"张三"}] arrB = [{addr:"中国"}] arrA[0].addr = arrB[0].addr arrA[0].age = arrB[0].age arrA[0].sex = arrB[0].sex 就直接赋值就行了,其他的属性的直接覆盖
const arrA = [
{name: "张三",age: '18',sex: '男',class: "六年级一班",hobby: '唱歌'}
];
const arrB = [
{sex: '女',age: '12',addr: "北京"}
];
const arrC = arrA.map((v,i) => Object.assign({},v,arrB[i]));
console.log(arrC);
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