Hey, bratliff, probably somebody has to translate, what you are trying
to tell me... Would source code be of help? A Wireshark trace??
>Returning a JS file immediately without waiting for your server to
>produce results is not the way most people use JSON with a callback.
>The JS file should contain the results of the query. Otherwise, what
>purpose does it serve ?
??!?! Who is returning what JS file while not waiting for results Hello!?!?!
Anybody home???!? :)
What the hell do you mean by that? I'm frustrated, why nobody seems to
understand.. OK, your language is not my native one, but do I speak _that_
nonsense?
Basically: After the injection of the script as mentioned in all of my posts,
the injected script tag looks like this in the HTML presented to the browser
(proven by IEWatch):
<SCRIPT id=_json_ src="query.aspx?callback=processData&timestamp=Sun Oct 26
00:14:38 2008" type=text/javascript>
This results in an immediate HTTP GET to the server, which handles the query
and returns this JSONP (short version) (proven by Wireshark and IEWatch)
processData([{"lat":52.50121,"lon":13.31611,"image":"img/wlan.png","shadow":"img/wlan_shadow.png","locationname":"Hotel
Askanischer
Hof","zip":"10707","city":"Berlin","street":"Kurfürstendamm","house":"53"},{"lat":52.49779,"lon":13.32383,"image":"img/wlan.png","shadow":"img/wlan_shadow.png","locationname":"Hotelpension
Bella","zip":"10719","city":"Berlin","street":"Ludwigkirchstr.","house":"10
A"},{"lat":52.50792,"lon":13.24372,"image":"img/wlan.png","shadow":"img/wlan_shadow.png","locationname":"Michels
Apart
Hotel","zip":"14055","city":"Berlin","street":"Heerstr.","house":"80"}...........,])
In worst case (no results) it returns
processData([]);
This happens of course asynchronously to the browsers activities. What I say
now, is: Regardless, of what the result of the server operation is, regardless,
of whether the server returns 200, 404 or 500 or 4711, regardless, of whether
the server needs milliseconds or hours to answer: In either case the __json__
element fires onreadystatechange "loading" / "loaded" in a raw very fast and
without any feedback and relation, to what happens on the server. It might be
different, if a simple JS file is loaded.. Is this, what you are talking
about?!
If I change the URL to "_entry_.aspx" or so, the result is an error
message of the server (HTTP 404) and the JSONP (the "callback") is
never called, the map is not filled with markers. In this case - as
mentioned - the onreadystatechange "loading"/"loaded" fires as usual.
BTW: The same happens with "onload" in Firefox..
So, I cannot find any reason to use this events at all. And again:
onreadystatechange/onload just tells you, that the browser has
recognized and handled your _script_tag_ . It does not give you any
information, of whether the action referred to in "src" has been done
successfully or erroneously...
Got it?
I go to bed :(
bratliff schrieb:
> On Oct 25, 9:47 pm, "Neil.Young" <[EMAIL PROTECTED]> wrote:
>
>> I still have to renew my claim: onreadystate just reflects the state of
>> the loading/execution of the script tag in the browser and does nothing
>> say about the progress or even the results of a server side execution.
>>
>
> Returning a JS file immediately without waiting for your server to
> produce results is not the way most people use JSON with a callback.
> The JS file should contain the results of the query. Otherwise, what
> purpose does it serve ?
>
>
>> "Non existent JS files" - there is no such a thing in my scenario. There
>> is an ASPX file and a web app behind on a server, the server responds in
>> any case (except she's dead).
>>
>
> A bad URL will never call your JSON callback but it will call your
> event handler.
>
> >
>
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