On Nov 29, 6:21 pm, "Josh Black" <[EMAIL PROTECTED]> wrote:
> I think all the time and energy that's spent trying to avoid Javascript is
> hilarious.
it's only hilarious if javascript is a language with which you have
significant experience, and you're happy to program a web site in
not just one language but two.
javascript, being prototype based, is fantastically powerful, but
it's
also very archaic. even if it weren't archaic, its use _still_
places a
significant burden on developers - because it _is_ a second language.
so a developer is _forced_ to write code to verify some user input
not just in _one_ language but _two_. if the data-input verification
is particularly complex, no developer in their right mind will
develop
_two_ sets of the same verification - that's just asking for trouble.
but ... butbutbut... if you have a -to-javascript _compiler_....
suddenly you can write the user-input verification code in _one_
language, run that server-side _and_ client-side (after automatically
being compiled to javascript).
that's a _massive_ burden lifted.
> So far there's RubyJS, Red, HotRuby, and probably some others
> that I'm not aware of. All so that people don't have to learn Javascript
> and can continue doing nothing but Ruby. Javascript is an awesome language
> in its own right, and libraries like jQuery just make it that much better.
actually, they make things fricking awkward: the burden on the
developer is that they now have _two_ large code-bases to learn,
use, interface with, one of which is beyond their experience and
skill-set to fix or enhance, so the project they're working on has to
pay someone _else_ to fix it or enhance it if it doesn't do the
required job.
a <insert-language>-to-javascript compiler plus a wrapper
around the javascript library suddenly takes away all of the pain,
and perhaps the <insert-language>-to-javascript compiler
would take away the need to use the "nice javascript library"
in the first place.
now the developer can write in their preferred language,
JQuery is a _stunningly_ bad choice of example, as its purpose
is to "play nice" with the features of the browser DOM model,
[to workaround some of the less salubrious bits of javascript
when it is used by *inexperienced* developers, many of whom
believe that HTML is a "programming language"]
GWT, Pyjamas and RubyJS all come with a DOM library; GWT and
Pyjamas have a really decent UI widget library that's very similar
to Qt4 and Gtk2, and RubyJS has a partial port of that same widget
set.
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