冒泡排序

<script>
        function sort(ar) {
            for(var i=0;i<ar.length-1;i++){
                for(var j=0; j<ar.length-i-1;j++){
                    if(ar[j]>ar[j+1]){
                    var temp=ar[j];
                    ar[j]=ar[j+1];
                    ar[j+1]=temp;
                    }
                }
            }
            return ar;
        }
        var upto = sort([5,3,6,8,11,2,400]);
        console.log(upto);
    </script>