js取某条json数据类型

{
  "name": "张三",
  "age": 30,
  "isStudent": false,
  "courses": ["数学", "英语"],
  "address": {
    "city": "北京",
    "street": "朝阳路"
  }
}

let jsonString = '{"name":"张三","age":30,"isStudent":false,"courses":["数学","英语"],"address":{"city":"北京","street":"朝阳路"}}';
let jsonObject = JSON.parse(jsonString);

console.log(jsonObject.name); // 输出: 张三
console.log(jsonObject.courses[0]); // 输出: 数学

let person = {
  name: "李四",
  age: 25,
  isStudent: true,
  courses: ["物理", "化学"],
  address: {
    city: "上海",
    street: "浦东大道"
  }
};

let jsonString = JSON.stringify(person);
console.log(jsonString);

try {
  let invalidJsonString = '{"name":"张三","age":30,"isStudent":false,courses:["数学","英语"]}';
  let jsonObject = JSON.parse(invalidJsonString);
} catch (error) {
  console.error("解析JSON失败:", error.message);
}