Subj : Re: array access issue - what am i doing wrong
To   : ash mozilla
From : Igor Bukanov
Date : Tue Feb 01 2005 11:18 am

See
https://bugzilla.mozilla.org/show_bug.cgi?id=271401
http://groups-beta.google.com/group/netscape.public.mozilla.jseng/browse_thread/thread/679073e96a7aedd2/a658cb3c51f8b686

Regards, Igor

ash mozilla wrote:
> This seems to be related with inheritance. MyForm is derived from the 
> base class and elements is a member of MyForm. If i move elements to the 
> base class it works. how can i make rhino to treat form[0] as MyForm and 
> not as its base class?
>  
> thanks
> 
> */ash mozilla <ashmozilla@yahoo.com>/* wrote:
> 
>     I'm a pretty new to Java and Rhino. I'm not sure whether I'm doing
>     the things the right way.
>     Here is a description:
>     Scenario - I need to programmatically execute some javascript
>     functions inside a web response.
>     Approach - I'm providing my own objects for the context objects like
>     document, window, forms etc. For this I have classes like
>     MyDocument, MyWindow, MyForm, MyControls, etc.
>     On getting the response I initialize these objects with their
>     properties and event handlers.
>      
>     Problem - If I have a button control in the first form, the value of
>     the control can be accessed thru window.document.forms[0].value.
>      
>     I load my context objects to the context by calling
>     ScriptableObject.putProperty(....."window", window, ...);
>      
>     Now I want to evaluate the above control value
>     "window.document.forms[0].elements[0].value".
>     But evaluateString throws an exception saying something about 0.0
>     access.
>     I can get window.document.forms[0], this return MyForm correctly.
>     window.document.forms[0].elements[0] it returns as "not defined".
>     window.document.forms[0].elements[0].value it throws the exception.
>      
>     what could have gone wrong? Something to do with the way I deal the
>     arrays I think.
>      
>      
> 
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