1.Object.assign()
Object.assign(ob1,ob2);将ob2复制到ob1;//只能复制一级属性
const obj1 = JSON.parse(JSON.stringify(obj));
2.Object.keys()
let obj = {k1:1,k2:2};
Object.keys(obj);//k1,k2
1.Object.assign()
Object.assign(ob1,ob2);将ob2复制到ob1;//只能复制一级属性
const obj1 = JSON.parse(JSON.stringify(obj));
2.Object.keys()
let obj = {k1:1,k2:2};
Object.keys(obj);//k1,k2