[jQuery] Re: function $.ajax return true/false ?

I'm sorry, I mean 'async: false'! Try that. :)

On Feb 27, 8:54 am, Gelegrodan <GeleGro...@gmail.com> wrote:
> Hello!
> Thanks you your answer, but it seems like it didnt help!
>
> function pnrexists(a){
>         $.ajax({
>                 async: true,
>                 url: '/inc/chkusr.php?q=p',
>                 type: 'POST',
>                 dataType: 'html',
>                 data: {'pnr': a},
>                 timeout: 2000,
>                 success: function(data) {
>                         if(data==1){
>                                 alert('true');
>                                 return true;
>                         }else{
>                                 return false;
>                         }
>                 }
>         });
>
> }
>
> $.validator.addMethod("pnrcheck", function(ph, element) {
>         if(persnr(ph)) {
>         alert('1');
>                 if(pnrexists(ph)) {
>                 alert('2');
> I see:
> alert 1 and alert true
>
> setting the async to false dont seems to help either!
> Any idea?
>
> On Feb 27, 7:39 pm, James <james.gp....@gmail.com> wrote:
>
> > The issue here is that AJAX is asynchronous. The the moment you're
> > checking pnrexists(ph), it'll execute the AJAX but nothing is returned
> > "at that moment" (which means it is not-true, so the if-statement
> > fails). Then a few milliseconds later, your AJAX response has
> > returned, but the code is way passed the if-statement by then already.
> > Try adding the 'async: true' to the $.ajax() option. This tells the
> > rest if your code to wait for the AJAX response before continuing.
>
> > On Feb 27, 8:00 am, Gelegrodan <GeleGro...@gmail.com> wrote:
>
> > > Hello
> > > I have the following code:
>
> > > function pnrexists(a){
> > >         $.ajax({
> > >                 url: '/inc/chkusr.php?q=p',
> > >                 type: 'POST',
> > >                 dataType: 'html',
> > >                 data: {'pnr': a},
> > >                 timeout: 2000,
> > >                 success: function(data) {
> > >                         if(data==1){
> > >                                 alert('true');
> > >                                 return true;
> > >                         }else{
> > >                                 alert('false');
> > >                                 return false;
> > >                         }
> > >                 },
> > >         });
>
> > > }
>
> > > the code above is triggered by:
>
> > > $.validator.addMethod("pnrcheck", function(ph, element) {
> > >         alert('1');
> > >         if(persnr(ph)) {
> > >                 alert('2');
> > >                 if(pnrexists(ph)) {
> > >                 alert('3');
> > >  the code continues..but noting to show...
>
> > > The problem is: I see:
> > > alert 1
> > > alert 2
> > > alert true
> > > but NOT alert 3?? Why?
>
>