冒泡排序

function bubbleSort(arr){
    var arry;    
    var b;
    var j = 0;
    if(typeof(arr)=="string"){//如果为字符串数字，则先去逗号转成数组
        arry = arr.split(',');
    }else{
        arry = arr;
    }
    var len = arry.length;
    for(var i = 0;i<len;i++) {
        arry[i] = Number(arry[i]);
    }    
    for (var i = 0;i<len;i++){
        for (var j = 0;j<len-i-1;j++) {
            if(arry[j]>arry[j+1]){
                b = arry[j+1];
                arry[j+1] = arry[j];
                arry[j] = b;
           }         
        }
    }
    return arry;
}