# 如何修改 person 对象
const person = {
name: "Lydia Hallie",
address: {
street: "100 Main St"
}
};
Object.freeze(person);
- A: person.name = "Evan Bacon"
- B: delete person.address
- C: person.address.street = "101 Main St"
- D: person.pet = { name: "Mara" }
如果一个属性的值是个对象,则这个对象中的属性是可以修改的,除非它也是个冻结对象。