js 分割循环

            var str ='1,2,3';
             var arr = str.split(",");
            var array1 =[];
            var array2 =[];
            for(i=0,l=arr.length;i<l;i++){
                note  = $('#t'+arr[i]).val();
                type = $('#type'+arr[i]+' :selected').val()
                array1.push(note);
                array2.push(type);
            }