按嵌套属性对对象数组进行排序

const data = [
  { name: 'Alice', info: { age: 25 } },
  { name: 'Bob', info: { age: 30 } },
  { name: 'Charlie', info: { age: 20 } }
];

data.sort((a, b) => a.info.age - b.info.age);
console.log(data);

[
  { name: 'Charlie', info: { age: 20 } },
  { name: 'Alice', info: { age: 25 } },
  { name: 'Bob', info: { age: 30 } }
]

data.sort((a, b) => b.info.age - a.info.age);
console.log(data);

[
  { name: 'Bob', info: { age: 30 } },
  { name: 'Alice', info: { age: 25 } },
  { name: 'Charlie', info: { age: 20 } }
]

data.sort((a, b) => {
  if (a.info.age && b.info.age) {
    return a.info.age - b.info.age;
  } else {
    // 处理嵌套属性不存在的情况
    return 0;
  }
});