Hi,

There are the documented supported browsers:
http://prototypejs.org/download

Using Prototype & script.aculo.us in earlier browsers will not be
_supported_, but whether it'll "work" is more a fuzzy gray than black
or white -- e.g., it will vary dramatically by feature.  I expect that
the $() function will work on quite a few older browsers, whereas I'd
be surprised if Element#getDimensions and some of the niftier things
script.aculo.us does with computed styles were reliable.

In terms of *language* features, I think you're pretty safe.
Prototype uses Function#apply, Function#call, the arguments array, and
the special behavior of the || (OR) operator, all of which were added
after the first couple of releases of the language, but it was a
looong time ago.  In fact, just looked it up[1], and if Wikipedia is
correct we're talking 1998 or earlier for all of those.

Prototype may (or may not) use some of the new array features from
JavaScript 1.6 (~2005), but I suspect not (at least not 1.6.0.3) or
that it has emulations of them it'll use if they're not there.  If
there are any missing, though, it's easy enough to add emulations to
the array prototype, and in any case a quick scan through the source
for the new methods will tell you.

In terms of Ajax features, if you're talking Mozilla 1.7, that would
be well after Gecko had XmlHttpRequest.  Can't guarantee there won't
be niggles, but...

Bottom line is that it's unlikely to "just work," but I suspect most
of what you'll hit will be manageable.  The joy is you have the
source, and the license is not forbidding.

[1] http://en.wikipedia.org/wiki/JavaScript#Versions

Good luck,
--
T.J. Crowder
tj / crowder software / com
Independent Software Engineer, consulting services available


On Jul 31, 9:09 am, Christophe Decaux <[email protected]>
wrote:
> That's right, it's device app dev.
> The device is a Cisco DMP 4300 series
> Does anyone knows what are the minimum browser requirements to run  
> Prototype and Scriptaculous
> Christophe
>
> Le 30 juil. 09 à 22:40, Rick Waldron a écrit :
>
>
>
> > That sounds like fun... i like device app development. Can you tell  
> > us what device you're working with? That will be helpful
>
> > Rick
>
> > On Thu, Jul 30, 2009 at 3:55 PM, Christophe <[email protected]
> > > wrote:
>
> > Hi there,
>
> > Apologies to everybody if my question is offending in any way, but
> > this is my first post to such a group.
>
> > I'm a occasional user of Prototype and Scriptaculous and pretty happy
> > with these tools.
>
> > However, I'm facing an issue for which I can find any answer around:
>
> > I created some pages that work pretty well on modern browsers such as
> > FF 3 or 3.5 and Safari 3 or 4, but I'm asked to make them run on some
> > special Internet devices that run only Mozilla Firefox 1.7 with
> > Javascript 1.5
>
> > So my question is : what are the requirements of Prototype 1.6 and
> > Scriptaculous 1.8, will my pages run well on such an old browser.
> > If not, is there an older version of Prototype and/or Scriptaculous
> > that will answer my problem.
>
> > Thanks in advance
>
> > Christophe
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