筛选对象的javascript数组以包含特定字段

// 原始数组
const originalArray = [
  { name: 'Alice', age: 25, city: 'New York' },
  { name: 'Bob', age: 30, city: 'San Francisco' },
  { name: 'Charlie', age: 35, city: 'London' },
  { name: 'David', age: 40, city: 'Tokyo' }
];

// 筛选包含特定字段的对象
const filteredArray = originalArray.filter(obj => obj.hasOwnProperty('city'));

console.log(filteredArray);

[
  { name: 'Alice', age: 25, city: 'New York' },
  { name: 'Bob', age: 30, city: 'San Francisco' },
  { name: 'Charlie', age: 35, city: 'London' },
  { name: 'David', age: 40, city: 'Tokyo' }
]