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Groups > comp.lang.javascript > #30194

Re: convert a string into a json object,

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Stefan Weiss wrote:

> Off-topic... does anymody else find it counter-intuitive when most of
> the variables are declared as "const"? I've seen this style recently in
> many places, and it's technically correct, but for some reason I find it
> irritating.

No, I don't find it so any longer.  I did for a time, though.  I think it 
was the years of working in Javascript with only function-level scoping 
(well, and global, of course) that makes it feel really wrong to see 
something listed as `const` in a repeated block-scope.

But I've grown to like it.  So long as I don't try to think of it as the 
definition of a constant (which can be tempting) it works well.

I like the distinction between:

    let myMutableRef = -1, i = 0;
    while(i < something) {
      myMutableRef = someFunc(i);
      doSomething(myMutableRef);
      i++;
    }

and

    let i = 0;
    while (i < something) {
      const myImmutableRef = someFunc(i);
      doSomething(myImmutableRef);
      i++;
    }

While they perform the same function, the latter makes it clear that the 
variable does not get reassigned inside the body of the while statement.  
The former -- or any version based on `var` -- would not make it so clear.

  -- Scott

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Thread

convert a string into a json object, JRough <janis.rough@gmail.com> - 2016-03-31 19:12 -0700
  Re: convert a string into a json object, Stefan Weiss <krewecherl@gmail.com> - 2016-04-01 10:42 +0200
    Re: convert a string into a json object, JRough <janis.rough@gmail.com> - 2016-04-01 17:32 -0700
  Re: convert a string into a json object, Stefan Weiss <krewecherl@gmail.com> - 2016-04-01 10:49 +0200
    Re: convert a string into a json object, John Harris <niam@jghnorth.org.uk.invalid> - 2016-04-01 19:21 +0100
      Re: convert a string into a json object, Aleksandro <aleksandro@gmx.com> - 2016-04-01 16:21 -0300
      Re: convert a string into a json object, Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-04-01 20:36 +0100
        Re: convert a string into a json object, Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-04-02 04:07 +0200
          Re: convert a string into a json object, Aleksandro <aleksandro@gmx.com> - 2016-04-02 12:07 -0300
            Re: convert a string into a json object, Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-04-02 17:36 +0200
              Re: convert a string into a json object, Aleksandro <aleksandro@gmx.com> - 2016-04-02 21:01 -0300
          Re: convert a string into a json object, Scott Sauyet <scott@sauyet.com> - 2016-04-02 20:40 +0000
    Re: convert a string into a json object, Stefan Weiss <krewecherl@gmail.com> - 2016-04-02 01:18 +0200
      Re: convert a string into a json object, John Harris <niam@jghnorth.org.uk.invalid> - 2016-04-02 11:29 +0100
    Re: convert a string into a json object, Scott Sauyet <scott@sauyet.com> - 2016-04-02 20:30 +0000
  Re: convert a string into a json object, JRough <janis.rough@gmail.com> - 2016-04-01 11:32 -0700
    Re: convert a string into a json object, Stefan Weiss <krewecherl@gmail.com> - 2016-04-02 00:51 +0200
      Re: convert a string into a json object, Aleksandro <aleksandro@gmx.com> - 2016-04-02 12:03 -0300
  Re: convert a string into a json object, Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-04-02 03:48 +0200
  Re: convert a string into a json object, Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-04-02 04:25 +0200

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