Rails spinoffs - Oct 2007 - Other API using Object.prototype breaks prototype.js for/in loop

Hi there,

As some of you may already know, Really Simple History 0.6 beta has been
released yesterday :
http://code.google.com/p/reallysimplehistory/

Unfortunately, using it has brought this issue to our attention :
If another javascript API extends javascript object using
Object.prototype, prototype.js will break in several places when calling
for/in loops.

You can see a test case of this problem with some explanation here :
http://support.jalios.com/rshPrototype/index.html

We have already opened an issue at RSH
http://code.google.com/p/reallysimplehistory/issues/detail?id=6
But could you consider modifying prototype.js in order to use the
hasOwnProperty check shown in the following link to prevent prototype
from breaking with other API
http://yuiblog.com/blog/2006/09/26/for-in-intrigue/

Thanks for your answer

-- 
Jean-Philippe Encausse - Veille / R&D Jalios SA
Jp [at] encausse.net - http://www.encausse.com - http://www.jalias.com
GTalk: jp.encausse [at] gmail.com - SMS: sms [at] jp.encausse.net
Mob: +33 6 82 12 56 99 - Job: +33 1 39 23 92 83 - Tel: +33 1 39 18 90 15
Do it Once, Use it Twice ~ Do it Twice, Make It Once

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That is unfortunate for RSH, you really must understand how taboo
Object.prototype is and this is exactly why.

For a history solution that doesn''t involve such issues mentioned
above feel free to check out this article,

http://positionabsolute.net/blog/2007/07/javascript-history-service.php
-- Works in IE, FF, Safari and Opera 9+

Cheers,
         Matt

On Oct 24, 11:31 am, "Jean-Philippe Encausse"
<J...-vcK5r0oTKUrk1uMJSBkQmQ@public.gmane.org>
wrote:
> Hi there,
>
> As some of you may already know, Really Simple History 0.6 beta has been
> released yesterday :http://code.google.com/p/reallysimplehistory/
>
> Unfortunately, using it has brought this issue to our attention :
> If another javascript API extends javascript object using
> Object.prototype, prototype.js will break in several places when calling
> for/in loops.
>
> You can see a test case of this problem with some explanation here
:http://support.jalios.com/rshPrototype/index.html
>
> We have already opened an issue at
RSHhttp://code.google.com/p/reallysimplehistory/issues/detail?id=6
> But could you consider modifying prototype.js in order to use the
> hasOwnProperty check shown in the following link to prevent prototype
> from breaking with other
APIhttp://yuiblog.com/blog/2006/09/26/for-in-intrigue/
>
> Thanks for your answer
>
> --
> Jean-Philippe Encausse - Veille / R&D Jalios SA
> Jp [at] encausse.net -http://www.encausse.com-http://www.jalias.com
> GTalk: jp.encausse [at] gmail.com - SMS: sms [at] jp.encausse.net
> Mob: +33 6 82 12 56 99 - Job: +33 1 39 23 92 83 - Tel: +33 1 39 18 90 15
> Do it Once, Use it Twice ~ Do it Twice, Make It Once

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