过滤并获取json中的特定值(javascript)

{
  "name": "John",
  "age": 30,
  "city": "New York",
  "skills": ["JavaScript", "Python", "Node.js"]
}

// 假设这是从服务器获取的JSON字符串
const jsonString = `{
  "name": "John",
  "age": 30,
  "city": "New York",
  "skills": ["JavaScript", "Python", "Node.js"]
}`;

// 将JSON字符串解析为JavaScript对象
const data = JSON.parse(jsonString);

// 获取特定值
const name = data.name;
const age = data.age;
const city = data.city;
const skills = data.skills;

console.log(name); // 输出: John
console.log(age); // 输出: 30
console.log(city); // 输出: New York
console.log(skills); // 输出: ["JavaScript", "Python", "Node.js"]

try {
  const data = JSON.parse(jsonString);
} catch (error) {
  console.error("JSON解析失败:", error);
}

if (data.hasOwnProperty('name')) {
  const name = data.name;
  console.log(name);
} else {
  console.log("键名不存在");
}