Well, to be honest, I never ever use $.get or $.put (or $.getJSON). The main
reason is that there is no error callback which, in my opinion, makes them
completely useless in any production environment.
Now I understand the convention being broken argument, but the two callback
solution:
- does not break current code, ever,
- does not necessitate jQuery to create a special error callback that will
redirect to the dual callback function,
- does not necessitate branching in user code.
I dunno, but for helper functions, I'd be willing to sacrifice some api
purity and have them really useful yet backward compatible. But, then again,
I never had the responsibility of anything that's became as huge as jQuery,
so...
2009/11/9 John Resig <jere...@gmail.com>
> > Wouldn't it still break some scripts that actually expect the data never
> to
> > be undefined?
>
> As I mentioned before - the application would just break in a
> different way. Normally it would break in that the result would never
> come in - now it would throw an exception (again, that's assuming that
> if they're trying to do something directly with the object - a more
> likely result is seeing "null" outputted somewhere).
>
> > Why not the following:
> >
> > $.get("someurl", function(data) {
> > // got results
> > }, function(errorMessage) {
> > // got error
> > });
> >
> > That way, actual scripts behave as usual and new ones can provide an
> error
> > callback.
> >
> > Thoughts?
>
> I'm not a huge fan of this - having dual functions being passed in as
> arguments is messy and against the current jQuery conventions. I feel
> like if you're passing in so many functions why not just use $.ajax
> and be done with it? Especially since $.ajax is so much more explicit
> any way.
>
> Either we should find a simple solution (like what I proposed) or do
> no change at all.
>
> --John
>
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