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Languages that generate JS and interoperability with JS frameworks

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  Languages that generate JS and interoperability with JS frameworks Haddock <ffm2002@web.de> - 2014-12-19 08:43 -0800
    Re: Languages that generate JS and interoperability with JS frameworks "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-12-19 19:24 +0100
    Re: Languages that generate JS and interoperability with JS frameworks Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-12-19 19:41 +0100
    Re: Languages that generate JS and interoperability with JS frameworks Carlos Pedro <carlospedr@gmail.com> - 2014-12-23 09:14 -0800

#26362 — Languages that generate JS and interoperability with JS frameworks

Hello,

I'm a Java developer and a bit tired of Java. So I feel like learning a new language. There are several languages that generate JavaScript like Dart, Scala, Kotlin and others. So, those languages would be candidates for me to look into.

Now my understanding of JavaScript is limited and I need to ask the experts here. What makes me wonder is how easy it is to interface with JS libraries such as jQuery or AngularJS from those languages that generate JavaScript. There must be some mechanishm that you can bypass the language generating JS and reach through to the respective JS library. My question is how practical that is. Anybody tried this? Would be thankful for sime insights :-).

Regards, H.

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#26363

Haddock <ffm2002@web.de> wrote on 19 dec 2014 in comp.lang.javascript:

> Hello,
> 
> I'm a Java developer and a bit tired of Java. So I feel like learning a
> new language. There are several languages that generate JavaScript like
> Dart, Scala, Kotlin and others. So, those languages would be candidates
> for me to look into. 

Wrong Q.

If you want to learn French or Swahili, you don't want to know primarily  
about Google translate, you start with a mixture of grammar and hands-on 
experience.

If you want to learn Javascript, learn to generate it from your own mind,
and look how others have coped with simple tasks. The web is full of bad and 
good examples. Don't buy a "bible" all Javascript books are bad and 
outdated, but primarily you will erroneously believe what is written there 
in.

Ask yourself what you are going to use Javascript for, clientside in 
browser, serverside, in cscript/jscript or in special engines, 
all have different flavors and have fastly different interfacing with the 
outside world.

> Now my understanding of JavaScript is limited and I need to ask the
> experts here. 

No, you don't *need* to ask silly Qs.

> What makes me wonder is how easy it is to interface with
> JS libraries such as jQuery or AngularJS 

Even experts think that is the way Javascript should be used,
forget about jQery until you are an expart yourself and you are convinced 
you don't need such crap.

> from those languages that
> generate JavaScript. There must be some mechanishm that you can bypass
> the language generating JS and reach through to the respective JS
> library. 

Why must there be, and if there is, why is that usefull?

> My question is how practical that is. Anybody tried this? Would
> be thankful for sime insights :-). 

Above are sime.

-- 
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)

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#26364

Haddock wrote:
^^^^^^^
This is Usenet.  Please fix.

> I'm a Java developer and a bit tired of Java. So I feel like learning a
> new language. There are several languages that generate JavaScript like
> Dart, Scala, Kotlin and others. So, those languages would be candidates
> for me to look into.

I do not understand your reasoning.  You are tired of Java but would prefer 
Java-like languages over others?  Languages like Scala have been designed to 
make it easy for programmers of Java because they *want* to write Java code, 
no matter the resulting language.

Different from Java, JavaScript is not one programming language.  There are 
several implementations of ECMAScript, differing in features and syntax 
extensions, that contain the “JavaScript” name.  There are others that have 
a different name but sometimes are subsumed, equally misguided, under the 
“JavaScript” name (often using invented terminology such as “Javascript” and 
“javascript”).  Beware the wannabe.

<http://PointedEars.de/es-matrix>

> […] What makes me wonder is how easy it is to interface with JS
> libraries such as jQuery or AngularJS from those languages that generate
> JavaScript.

If the wrapper/generator language is any good, there is no significant 
difference, of course.  It is never the generating code that “interfaces” 
with them, but the generated one.  Whether you should write code that 
interfaces with them, especially as a beginner, is another issue, though.

> There must be some mechanishm that you can bypass the language
> generating JS and reach through to the respective JS library.

Your assumption is unfounded.  This library and _framework_, respectively, 
are not separate programming languages, and they would not run with code 
other than one that conforms to the grammar of ECMAScript (Editions 3 and 
above), without syntax extensions.  If you want to bypass a generating 
language, do not use it; your code will likely be better for that.

-- 
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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#26376

Have a look at this: http://www.typescriptlang.org/

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