尊龙凯时人生就是搏

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const person = {
  name: "John Doe",
  age: 30,
  address: "123 Main Street"
};

const name = person.name; // "John Doe"
const age = person.age; // 30
const address = person.address; // "123 Main Street"

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const name = person.name;
const age = person.age;
const address = person.address;

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const key = "name";
const name = person[key]; // "John Doe"

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const person = {
  name: {
    first: "John",
    last: "Doe"
  }
};

const firstName = person.name.first; // "John"
const lastName = person.name.last; // "Doe"

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