eww and Javascript?

eww and Javascript?

[Richard Stallman]

Does eww run Javascript code?

-- 
Dr Richard Stallman
President, Free Software Foundation
51 Franklin St
Boston MA 02110
USA
www.fsf.org  www.gnu.org
Skype: No way! That's nonfree (freedom-denying) software.
  Use Ekiga or an ordinary phone call.

Re: eww and Javascript?

[Lars Magne Ingebrigtsen]

Richard Stallman <rms@gnu.org> writes:

> Does eww run Javascript code?

No.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Re: eww and Javascript?

[Kenjiro NAKAYAMA]

> > Does eww run Javascript code?
>  
> No.

This qustion will be asked many times in the future. So I want to be more clear.
At this time, eww has no plan to add javascript engine?
I recognize eww is simple browser and it has no intention of adding rich function.

Kenjiro


larsi@gnus.org writes:

> Richard Stallman <rms@gnu.org> writes:
>
>> Does eww run Javascript code?
>
> No.

Re: eww and Javascript?

[Rüdiger Sonderfeld]

On Wednesday 15 January 2014 10:18:35 Kenjiro NAKAYAMA wrote:
> > > Does eww run Javascript code?
> > 
> > No.
> 
> This qustion will be asked many times in the future. So I want to be more
> clear. At this time, eww has no plan to add javascript engine?
> I recognize eww is simple browser and it has no intention of adding rich
> function.

Well technically a limited support might be possible.  Steve Yegge wrote a 
JavaScript interpreter for elisp called Ejacs[1].  But providing proper 
JavaScript support would require implementing the DOM and then we would still 
be faced by the fact that Emacs display model is too limited for full HTML and 
CSS rendering (Although work on WYSIWYG functionality will certainly help 
improving what EWW/`shr.el' can render).  So all in all it would require a lot 
of work and yield very little in practical terms.

I think the main use case for EWW will be reading documentation written in 
HTML, bug trackers, and other simple websites.  None of which should really 
require JavaScript or fancy CSS layouts.  It should be noted that EWW does 
support some HTML5 features.  At least without JavaScript we don't have to 
worry about all the security and privacy implications.

If we want a "full browser experience" within GNU Emacs then the best bet is 
probably the xwidget branch and embedding an existing rendering engine.

[1] https://code.google.com/p/ejacs/wiki/README

Regards,
Rüdiger

Re: eww and Javascript?

[Richard Stallman]

[[[ To any NSA and FBI agents reading my email: please consider    ]]]
[[[ whether defending the US Constitution against all enemies,     ]]]
[[[ foreign or domestic, requires you to follow Snowden's example. ]]]

    > Does eww run Javascript code?

    No.

That is a relief -- see http://www.gnu.org/philosophy/javascript-trap.html.

-- 
Dr Richard Stallman
President, Free Software Foundation
51 Franklin St
Boston MA 02110
USA
www.fsf.org  www.gnu.org
Skype: No way! That's nonfree (freedom-denying) software.
  Use Ekiga or an ordinary phone call.

Re: eww and Javascript?

[Lars Magne Ingebrigtsen]

Kenjiro NAKAYAMA <nakayamakenjiro@gmail.com> writes:

> At this time, eww has no plan to add javascript engine?

No.  eww is barely fast enough as it is.  Preserving the DOM in such a
way that Javascript could meaningfully be run would slow things down
drastically, I think.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Re: eww and Javascript?

[Jordan Wilson]

Richard Stallman <rms <at> gnu.org> writes:

> 
> [[[ To any NSA and FBI agents reading my email: please consider    ]]]
> [[[ whether defending the US Constitution against all enemies,     ]]]
> [[[ foreign or domestic, requires you to follow Snowden's example. ]]]
> 
>     > Does eww run Javascript code?
> 
>     No.
> 
> That is a relief -- see http://www.gnu.org/philosophy/javascript-
trap.html.
> 

Even if it did, wouldn't (setq eww-allow-javascript nil) be pretty easy to 
implement?

Regards,
Jordan.

Re: eww and Javascript?

[Richard Stallman]

[[[ To any NSA and FBI agents reading my email: please consider    ]]]
[[[ whether defending the US Constitution against all enemies,     ]]]
[[[ foreign or domestic, requires you to follow Snowden's example. ]]]

It is a relief to know that EWW is not likely to handle Javascript,
because that means we don't need to confront the issue described in
http://www.gnu.org/philosophy/javascript-trap.html.

    At this time, eww has no plan to add javascript engine?
    I recognize eww is simple browser and it has no intention of adding rich function.

I suggest stating that in a comment in the source file too.

-- 
Dr Richard Stallman
President, Free Software Foundation
51 Franklin St
Boston MA 02110
USA
www.fsf.org  www.gnu.org
Skype: No way! That's nonfree (freedom-denying) software.
  Use Ekiga or an ordinary phone call.

Re: eww and Javascript?

[Richard Stallman]

[[[ To any NSA and FBI agents reading my email: please consider    ]]]
[[[ whether defending the US Constitution against all enemies,     ]]]
[[[ foreign or domestic, requires you to follow Snowden's example. ]]]

    > That is a relief -- see http://www.gnu.org/philosophy/javascript-
    trap.html.
    > 

    Even if it did, wouldn't (setq eww-allow-javascript nil) be pretty easy to 
    implement?

It would be easy but it would not really solve the problem.
We would still be systematically leading people to run nonfree software.
The mere fact that they COULD avoid it isn't enough to excuse our
leading them too it.

-- 
Dr Richard Stallman
President, Free Software Foundation
51 Franklin St
Boston MA 02110
USA
www.fsf.org  www.gnu.org
Skype: No way! That's nonfree (freedom-denying) software.
  Use Ekiga or an ordinary phone call.