对象数组批量更新属性值，或增加新属性

// ✅ Updating properties in multiple objects
const arr1 = [
  {id: 1, name: 'Alice'},
  {id: 1, name: 'Bob'},
  {id: 3, name: 'Charlie'},
];
const newArr = arr1.map(obj => {
  if (obj.id === 1) {
    return {...obj, name: 'Alfred'};
  }

  return obj;
});

// 👇️ [
//  {id: 1, name: 'Alfred'}, {id: 1, name: 'Alfred'}, {id: 3, name: 'Charlie}
// ]
console.log(newArr);