查找两个嵌套的Javascript对象之间的差异，并将该差异与一些唯一ID一起存储

function findObjectDiff(obj1, obj2) {
  var diff = {};

  function compareObjects(obj1, obj2, path) {
    for (var key in obj1) {
      if (obj1.hasOwnProperty(key)) {
        if (typeof obj2[key] === 'undefined') {
          diff[path + key] = obj1[key];
        } else if (typeof obj1[key] === 'object' && typeof obj2[key] === 'object') {
          compareObjects(obj1[key], obj2[key], path + key + '.');
        } else if (obj1[key] !== obj2[key]) {
          diff[path + key] = obj1[key];
        }
      }
    }
  }

  compareObjects(obj1, obj2, '');

  return diff;
}

var obj1 = {
  id: 1,
  name: 'John',
  age: 30,
  address: {
    street: '123 Main St',
    city: 'New York'
  }
};

var obj2 = {
  id: 1,
  name: 'John',
  age: 35,
  address: {
    street: '123 Main St',
    city: 'Los Angeles'
  }
};

var diff = findObjectDiff(obj1, obj2);
console.log(diff);

{
  "age": 30,
  "address.city": "New York"
}

var diffWithId = {
  id: 1,
  diff: diff
};

// 存储diffWithId对象