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Development/debugging tools?

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  Development/debugging tools? Philip <thiswillbounceback@you.com> - 2015-08-27 11:26 +0100
    Re: Development/debugging tools? "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-08-27 13:55 +0200
      Re: Development/debugging tools? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-08-27 18:11 +0200
        Re: Development/debugging tools? Philip <thiswillbounceback@you.com> - 2015-08-29 18:59 +0100
    Re: Development/debugging tools? Matt Tacchi <mangamatt81@gmail.com> - 2015-08-27 05:32 -0700

#28575 — Development/debugging tools?

Having another go at mastering JavaScript - the first time for a while 
I'll have tinkered with it.  I do have a programming background, and I'd 
like to use a development/debugging tool.  What's available these days, 
and what's value for money?


-- 

Phil, London

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#28576

Philip wrote:

> Having another go at mastering JavaScript - the first time for a while 
> I'll have tinkered with it.  I do have a programming background, and I'd 
> like to use a development/debugging tool.  What's available these days, 
> and what's value for money?

That mostly depends in which host enviroment you want to use JavaScript.
 If inside a browser (where speaking of ECMAScript might be more
suitable), you should get accustomed to the developer tools of the
browser(s) first, see <http://devtoolsecrets.com/>.

-- 
Christoph M. Becker

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#28578

Christoph M. Becker wrote:

> Philip wrote:
>> Having another go at mastering JavaScript - the first time for a while
>> I'll have tinkered with it.  I do have a programming background, and I'd
>> like to use a development/debugging tool.  What's available these days,
>> and what's value for money?
> 
> That mostly depends in which host enviroment you want to use JavaScript.
>  If inside a browser (where speaking of ECMAScript might be more
> suitable),

ECMAScript _implementation*s*_.  (I know that you probably know this: )

It is vital to understand (which is why I do not tire to point it out) that 
there is not only one such scripting language as ECMAScript implementations 
differ from one another.  For example, you will already find some features 
of ECMAScript Ed. 6/2015 in Mozilla JavaScript, but not yet in Google V8 
JavaScript (the more Canary, the more likely that you find them there, too).

If you write your code only based on superficial reading of MDN (neglecting 
the top or bottom section of articles), and test it only in Firefox or 
Seamonkey because you are thinking “JavaScript”, it can *break* in 
Chromium/Chrome even if it is syntactically correct (or *considered* 
syntactically correct by Firefox’s script engine; there are also syntax 
extensions in implementations, in *full compliance* with the Specification 
text).  And those are only two implementations and two runtime environments 
of much more.

> you should get accustomed to the developer tools of the browser(s) first,
> see <http://devtoolsecrets.com/>.

Which is referred to in the “FAQ for comp.lang.javascript” (see below), 
thanks to you :)
 
-- 
PointedEars
FAQ: <http://PointedEars.de/faq> | SVN: <http://PointedEars.de/wsvn/>
Twitter: @PointedEars2 | ES Matrix: <http://PointedEars.de/es-matrix>
Please do not cc me. / Bitte keine Kopien per E-Mail.

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#28579

In article <1534559.A5G8IRkOAj@PointedEars.de>, PointedEars@web.de 
says...
> 
> Christoph M. Becker wrote:
> 
> > Philip wrote:
> >> Having another go at mastering JavaScript - the first time for a while
> >> I'll have tinkered with it.  I do have a programming background, and I'd
> >> like to use a development/debugging tool.  What's available these days,
> >> and what's value for money?
> > 
> > That mostly depends in which host enviroment you want to use JavaScript.
> >  If inside a browser (where speaking of ECMAScript might be more
> > suitable),
> 
> ECMAScript _implementation*s*_.  (I know that you probably know this: )
> 
> It is vital to understand (which is why I do not tire to point it out) that 
> there is not only one such scripting language as ECMAScript implementations 
> differ from one another.  For example, you will already find some features 
> of ECMAScript Ed. 6/2015 in Mozilla JavaScript, but not yet in Google V8 
> JavaScript (the more Canary, the more likely that you find them there, too).
> 
> If you write your code only based on superficial reading of MDN (neglecting 
> the top or bottom section of articles), and test it only in Firefox or 
> Seamonkey because you are thinking ?JavaScript?, it can *break* in 
> Chromium/Chrome even if it is syntactically correct (or *considered* 
> syntactically correct by Firefox?s script engine; there are also syntax 
> extensions in implementations, in *full compliance* with the Specification 
> text).  And those are only two implementations and two runtime environments 
> of much more.
> 
> > you should get accustomed to the developer tools of the browser(s) first,
> > see <http://devtoolsecrets.com/>.
> 
> Which is referred to in the ?FAQ for comp.lang.javascript? (see below), 
> thanks to you :)
>  

Thanks Matt, Christoph & Thomas - yes, I am thinking of browser-based 
implementations (and my heart sinks at the compatibility differences!).

Is there anything more specialised in common use - anything like Visual 
Studio, for example?  I did fool around today with Chrome's developer 
tools, and they've come on a lot since I last saw them.  I'll need to 
read a manual even!

-- 

Phil, London

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#28577

On Thursday, August 27, 2015 at 11:27:34 AM UTC+1, Philip wrote:
> Having another go at mastering JavaScript - the first time for a while 
> I'll have tinkered with it.  I do have a programming background, and I'd 
> like to use a development/debugging tool.  What's available these days, 
> and what's value for money?
> 
> 
> -- 
> 
> Phil, London


Hi Phil,

  The Firebug add-on for Firefox has rudimentary but adequate tools for basic debugging if you are developing for the browser, I use it daily and it always meets my needs.

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