初学对象的浅拷贝

** 浅拷贝**
let obj={
age:21,
name:“刘幸”,
hobbies:[“看书”,“运动”]
}
let obj2=Object.assign({},obj);
obj.name=“liuxing”;
obj.hobbies.push(“旅游”);
console.log(obj);
console.log(obj2);