js删除json指定元素

let jsonObj = {
  "name": "John",
  "age": 30,
  "city": "New York"
};

// 删除 "age" 属性
delete jsonObj.age;

console.log(jsonObj);
// 输出: { name: 'John', city: 'New York' }

let jsonObj = {
  "name": "John",
  "age": 30,
  "city": "New York"
};

// 删除 "age" 属性
jsonObj = Object.assign({}, ...Object.keys(jsonObj).map(key => (key !== 'age' ? {[key]: jsonObj[key]} : {})));

console.log(jsonObj);
// 输出: { name: 'John', city: 'New York' }

let jsonObj = {
  "name": "John",
  "age": 30,
  "city": "New York"
};

// 删除 "age" 属性
jsonObj = Object.keys(jsonObj).reduce((acc, key) => {
  if (key !== 'age') acc[key] = jsonObj[key];
  return acc;
}, {});

console.log(jsonObj);
// 输出: { name: 'John', city: 'New York' }