JS数组根据对象的某一个字段排序

   const person = [{ name: 'aa', age: 9 },{ name: 'bb', age: 17 },{ name: 'cc', age: 6 },{ name: 'dd', age: 18 }];// 升序const arr1 = person.sort((a, b) => {return a.age - b.age;b})console.log(arr1)// 降序const arr2 = person.sort((a, b) => {return b.age - a.age;})console.log(arr2)