$.each

 var value1 = $("#<%=hid_Value.ClientID%>").val();
                        var arryObj1 = value1.split(',');

                        $.each(arryObj1, function (i, n) {
                            alert(i + ": " + n);
                        });

 for (var i = 0; i < arryObj1.length; i++) {
                alert(arryObj1[i]);
            }