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From: Gene Wirchenko <genew@ocis.net>
Newsgroups: comp.lang.javascript
Subject: Re: XHR: Passing Parameters to a ready-state-change Function
Date: Wed, 05 Sep 2012 17:30:39 -0700
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On Wed, 05 Sep 2012 17:46:49 -0400, Jim T. <x@y.z> wrote:

>On Wed, 05 Sep 2012 13:53:26 -0700, Gene Wirchenko <genew@ocis.net>
>wrote:
>
>>Dear JavaScripters:
>>
>>     Is there any way to pass parameters to the ready-state-change
>>function that checks the progress of a request?  I am currently using
>>a global.  I would prefer not to.

[snip]

>Something like this maybe?
>
>oRequest.onreadystatechange=
>    function()
>    {
>        var state = 0;
>        
>        return function()
>                   {
>                      state++;
>
>                      if ( state == 1)
>                          <process data for scenario 1>
>                     else
>                          <process data for scenario 2>
>                  };
>    } ();

     Uh, no.  The "1" and "2" in the names were not meant to imply any
order.

     I am working on the general design for Web pages which would
allow CRUD.  Depending on the request to be performed, the result back
from the server will be handled differently.  Request types could be
in any order.

     I also prefer to have each scenario broken out into its own
function.  IMHO, debugging Web code is mucky enough without having
longer-than-necessary functions.

Sincerely,

Gene Wirchenko