数组排序sort

<script type="text/javascript">、
var arrs = [
       {
            name:'李老汉',
            age:'5'
        },{
            name:'隔壁老王',
            age:'45'
        }, {
            name:'傻狗子',
            age:'3'
        }, {
            name:'小马哥',
            age:'56'
        }, {
            name:'李云龙',
            age:'66'
        }
 ];

function arrtSort(arr){
            var compare = function (prop) {
                return function (obj1, obj2) {
                    var val1 = obj1[prop];
                    var val2 = obj2[prop];
                    if (!isNaN(Number(val1)) && !isNaN(Number(val2))) {
                        val1 = Number(val1);
                        val2 = Number(val2);
                    }
                    if (val1 > val2) {
                        return -1;
                    } else if (val1 < val2) {
                        return 1;
                    } else {
                        return 0;
                    }            
                } 
            }
            return arr.sort(compare("age"));
}

let newarr =  arrtSort(arrs);
console.log(newarr)

</script>

　　

结果：