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Re: lynx-dev Javascript


From: Leonid Pauzner
Subject: Re: lynx-dev Javascript
Date: Wed, 3 Mar 1999 13:53:40 +0300 (MSK)

3-Mar-99 00:37 David Woolley wrote:
...
> rejecting JS because of the number of JS security holes being
> discovered in IE.  (On the other hand I'm actually coding JS
> applications for intranet use, but for sale, not internal use.)

> It might be interesting to note the main uses of JS, in approximate
> reverse order of frequency with which I've encountered them:

> - image buttons that change when the mouse is over them (harmless);

> - text that appears when the mouse is over something else (normally
>   marketing prose and therefore ignorable);

> - image maps which directly link to other versions of themselves,
>   containing graphic pointers to the current selection, and load the
>   real link into a different frame as a JS side effect (show stoppers
>   and require extensive frames support to implement well in Lynx, not
>   just JS);

> - menus implemented as pulldown lists (navigation stoppers, but probably
>   relatively easy to support within the Lynx model);

> - forms validation (generally OK if you can still submit);

I think the last two are of the most demand by the lynx users
since we cannot find a "submit" button otherwise on those pages.
But this seems a little expesive to implement all javascript
for this (estimated) lower frequency issue.

> - forms submission (I think I've only really found these at Microsoft and
>   haven't analysed one in detail, although I think some of the programmers
>   where I work who are working more to the official brief may have done
>   some).

> British Telecom have also produced a page (their domestic packaging of
> ISDN) which consists of three completely blue frames when viewed in IE4
> with Javascript disabled (i.e. an empty blue screen built in pieces).
> I never analysed this, but a previous version was of the self referential
> image map kind, as described above.)

>> I use lynx because I like it, and I develop Free Software
>> because I like it. Adding libjs support will be, from what I'm
>> seeing, a challenging, interesting and instructive assignment.
>> So, I'm on it.

> I don't know the level of committment you are able to give, but I think
> you are underestimating what is needed to do the job properly.  I think
> if you do do it well you will become one of the prime developers for
> the whole of Lynx, not just for the JS add on, as the job will encompass
> the whole of the user facing side of Lynx.

> ++ I think it will get upgraded soon.



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