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Re: comma operator?

Newsgroups comp.lang.javascript
Subject Re: comma operator?
From "Evertjan." <exxjxw.hannivoort@inter.nl.net>
References <q0gsa4$iad$1@gioia.aioe.org> <q0gsrh$jua$1@gioia.aioe.org> <g92dmlF1ht4U1@mid.individual.net>
Date 2019-01-02 09:34 +0100
Message-ID <XnsA9CB615784DE0eejj99@194.109.6.166> (permalink)

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rbowman <bowman@montana.com> wrote on 02 Jan 2019 in comp.lang.javascript:

> On 01/01/2019 04:24 PM, Luca wrote:
>> I think I get it now. It's a simple use of "let" to declare two
>> variables to be used within the module. The first variable is also
>> initialized as an empty list.
>>
>> Sorry for the confusion
> 
> Comma separated lists of variables have been around since FORTRAN if not 
> before. It saved work when you were using punch cards but it can be 
> confusing and lead to errors.
> 
> let a, b, c, d = 3;
> 
> may or may not do what the programmer intended. I've always preferred 
> explicit, one variable per line, declarations but that's just me.

What about:?

const a,b,c,d;

It seems to be the ideal form of content exclusion.



Spoiler:

Uncaught SyntaxError: Missing initializer in const declaration



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

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Thread

comma operator? Luca <luca@please.nospam.it> - 2019-01-01 18:15 -0500
  Re: comma operator? Luca <luca@please.nospam.it> - 2019-01-01 18:24 -0500
    Re: comma operator? rbowman <bowman@montana.com> - 2019-01-01 17:09 -0700
      Re: comma operator? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2019-01-02 09:34 +0100
  Re: comma operator? Abhinav Sharma <a.sharma.nitk@gmail.com> - 2019-01-02 00:32 -0800
    Re: comma operator? Luca <luca@please.nospam.it> - 2019-01-02 08:17 -0500

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