js如何从一个对象数组中根据属性值大小排序

js从一个 对象数组 中根据属性值大小排序

let arr = [
    {name:'a',age:23},
    {name:'b',age:33},
    {name:'c',age:9},
    {name:'d',age:17},
    {name:'e',age:25},
    {name:'f',age:18},
]

console.log(arr);

let arr2 = arr.sort(function(a,b){
    return a.age-b.age
})
console.log(arr2);