alert(typeof(how_many)); is string
alert(how_many==undefined); is false
On Wed, Feb 25, 2009 at 7:26 PM, heohni
<heidi.anselstet...@consultingteam.de> wrote:
>
> Currently my code looks like:
>
>
> var how_many = "";
> $.ajax({
> type: "POST",
> url: "/ajax_add_selected_product_to_session.php",
> success: function(msg){
> /* add here what to do on success */
> //alert(msg);
> how_many = msg;
> }
> });
>
> if($("input[name^='paradigm']:checked").length == 0) {
> //alert('None are checked on page');
> $(".requestbutton").attr("disabled", "disabled");
> }else{
> //alert('At least one is checked');
> $(".requestbutton").removeAttr("disabled");
> $(".requestbutton").click(function(){
> $("#list").submit();
> });
> }
>
>
> But I still can't access the var how_many.
>
> I would like to do this: ($("input[name^='paradigm']:checked").length
> == 0 || how_many == 0) {
>
> But the how_many is not set... it's empty on alert. Not undefined,
> it's empty..
>
> *i am lost...*
>
> On 25 Feb., 11:15, system div <divsys...@gmail.com> wrote:
>> you try alert(check_how_many_products_checked()); //var x = "";
>>
>> On Wed, Feb 25, 2009 at 6:11 PM, heohni
>>
>> <heidi.anselstet...@consultingteam.de> wrote:
>>
>> > Sorry, another question... I just playing arround with different
>> > possibilities:
>>
>> > $(document).ready(function(){
>> > // on default, disable the submit button
>> > $(".requestbutton").attr("disabled", "disabled");
>>
>> > function check_how_many_products_checked(){
>> > $.ajax({
>> > type: "POST",
>> > url: "/ajax_add_selected_product_to_session.php",
>> > success: function(msg){
>> > /* add here what to do on success */
>> > return msg;
>> > }
>> > });
>> > }
>>
>> > var x = "";
>> > x = check_how_many_products_checked();
>> > alert(x);
>>
>> > The alert is always "undefined"...
>> > Why? I must return the figure 2, what it does, if I alert the msg
>> > directly.
>> > Sorry for these questions, I am just about to learn the syntax.
>> > Thanks!
>>
>> > On 25 Feb., 10:57, heohni <heidi.anselstet...@consultingteam.de>
>> > wrote:
>> >> Ok, thanks a lot!!
>>
>> >> On 25 Feb., 10:38, system div <divsys...@gmail.com> wrote:
>>
>> >> > var how_many_checked= '';
>>
>> >> > $.ajax({
>> >> > type: "POST",
>> >> > url: "/ajax_add_selected_product_to_session.php",
>> >> > success: function(msg){
>> >> > /* add here what to do on success */
>> >> > //alert(msg);
>> >> > how_many_checked = msg;
>>
>> >> > }
>> >> > });
>> >> > alert(how_many_checked);
>> >> > if(how_many_checked !=undefined) {
>> >> > do some..................................................
>>
>> >> > }
>>
>> >> > On Wed, Feb 25, 2009 at 5:31 PM, heohni
>>
>> >> > <heidi.anselstet...@consultingteam.de> wrote:
>>
>> >> > > Hi,
>>
>> >> > > $.ajax({
>> >> > > type: "POST",
>> >> > > url: "/ajax_add_selected_product_to_session.php",
>> >> > > success: function(msg){
>> >> > > /* add here what to do on success */
>> >> > > //alert(msg);
>> >> > > var how_many_checked = msg;
>>
>> >> > > }
>> >> > > });
>> >> > > alert(how_many_checked);
>> >> > > if(how_many_checked > 0) .......
>>
>> >> > > the FF returns "how_many_checked" ist not defined.
>> >> > > Why?
>>
>> >> > > How can I define a var and use it for a later coming if / else part?
>>
>> >> > > Thanks a bunch!
