访问嵌套在数组中的JSON对象

[
    {
        "id": 1,
        "name": "Alice",
        "details": {
            "age": 30,
            "hobbies": ["reading", "traveling"]
        }
    },
    {
        "id": 2,
        "name": "Bob",
        "details": {
            "age": 25,
            "hobbies": ["gaming", "cooking"]
        }
    }
]

const data = [
    {
        "id": 1,
        "name": "Alice",
        "details": {
            "age": 30,
            "hobbies": ["reading", "traveling"]
        }
    },
    {
        "id": 2,
        "name": "Bob",
        "details": {
            "age": 25,
            "hobbies": ["gaming", "cooking"]
        }
    }
];

// 访问第一个对象的详细信息
const firstPersonDetails = data[0].details;
console.log(firstPersonDetails); // 输出: { age: 30, hobbies: [ 'reading', 'traveling' ] }

// 访问第二个对象的爱好
const secondPersonHobbies = data[1].details.hobbies;
console.log(secondPersonHobbies); // 输出: [ 'gaming', 'cooking' ]

if (data[0] && data[0].details) {
    const firstPersonDetails = data[0].details;
    console.log(firstPersonDetails);
} else {
    console.log("Data structure is not as expected");
}

for (let i = 0; i < data.length; i++) {
    if (data[i] && data[i].details) {
        console.log(data[i].details);
    }
}