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Re: Bubblesort

From Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups comp.lang.javascript
Subject Re: Bubblesort
Date 2016-03-08 23:46 +0100
Organization PointedEars Software (PES)
Message-ID <1747065.xymvmi2RMH@PointedEars.de> (permalink)
References (4 earlier) <7b1ee9db-4732-48e1-be7e-37ba62db4c6e@googlegroups.com> <nbc50g$44d$1@news.albasani.net> <26b2b860-b6c6-40ff-bcf6-64d6a9baa55e@googlegroups.com> <8737s6doyh.fsf@bsb.me.uk> <291513408.Ea4uQbgaIG@PointedEars.de>

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Thomas 'PointedEars' Lahn wrote:

> String comparison *can* be the default for Array.prototype.sort(); in
> fact, if the /comparefn/ argument is “undefined” (including not
> specified), the sort order is *implementation-dependent*.  Implementations
> need not agree on a default comparator.
> 
> So specifying a comparator is *required* in *portable* code *regardless*
> of the type of the elements (which can be of a different type each; but
> see Typed Arrays).
> 
> <http://www.ecma-international.org/ecma-262/6.0/index.html#sec-array.prototype.sort>

Supplemental:

JSX:array.js contains jsx.array.createComparator() which returns a reference 
to a custom comparator with which you can sort an array of (values 
convertible to) objects using their (then-)properties as sort keys.

Test case, with link to the documentated source code: 
<http://PointedEars.de/scripts/test/array>
  
-- 
PointedEars
FAQ: <http://PointedEars.de/faq> | SVN: <http://PointedEars.de/wsvn/>
Twitter: @PointedEars2 | ES Matrix: <http://PointedEars.de/es-matrix>
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Thread

Bubblesort jonas.thornvall@gmail.com - 2016-03-04 02:00 -0800
  Re: Bubblesort "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2016-03-04 18:53 +0800
    Re: Bubblesort "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-03-04 12:01 +0100
      Re: Bubblesort jonas.thornvall@gmail.com - 2016-03-04 03:03 -0800
      Re: Bubblesort jonas.thornvall@gmail.com - 2016-03-04 05:15 -0800
        Re: Bubblesort jonas.thornvall@gmail.com - 2016-03-04 05:41 -0800
          Re: Bubblesort "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2016-03-04 21:56 +0800
          Re: Bubblesort Stefan Weiss <krewecherl@gmail.com> - 2016-03-04 15:10 +0100
            Re: Bubblesort jonas.thornvall@gmail.com - 2016-03-04 07:37 -0800
              Re: Bubblesort Stefan Weiss <krewecherl@gmail.com> - 2016-03-04 17:08 +0100
            Re: Bubblesort jonas.thornvall@gmail.com - 2016-03-04 07:50 -0800
            Re: Bubblesort jonas.thornvall@gmail.com - 2016-03-04 07:54 -0800
              Re: Bubblesort Stefan Weiss <krewecherl@gmail.com> - 2016-03-04 17:21 +0100
              Re: Bubblesort Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-03-04 19:26 +0000
                Re: Bubblesort "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-03-04 23:05 +0100
                Re: Bubblesort jonas.thornvall@gmail.com - 2016-03-05 09:15 -0800
                Re: Bubblesort Stefan Weiss <krewecherl@gmail.com> - 2016-03-08 03:43 +0100
                Re: Bubblesort jonas.thornvall@gmail.com - 2016-03-08 02:41 -0800
                Re: Bubblesort jonas.thornvall@gmail.com - 2016-03-08 09:10 -0800
                Re: Bubblesort Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-03-08 23:34 +0100
                Re: Bubblesort Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-03-08 23:46 +0100
                Re: Bubblesort Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-03-09 00:16 +0000
                Re: Bubblesort Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-03-09 02:41 +0100
            Re: Bubblesort Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-03-08 23:35 +0100
              Re: Bubblesort Stefan Weiss <krewecherl@gmail.com> - 2016-03-09 02:38 +0100
                Re: Bubblesort Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-03-09 22:04 +0100
                Re: Bubblesort Stefan Weiss <krewecherl@gmail.com> - 2016-03-10 21:14 +0100
                Re: Bubblesort Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-03-10 22:17 +0100
                Re: Bubblesort "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-03-10 22:31 +0100
                Re: Bubblesort Stefan Weiss <krewecherl@gmail.com> - 2016-03-10 23:25 +0100
                Re: Bubblesort "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-03-11 00:16 +0100
        Re: Bubblesort "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2016-03-04 21:59 +0800
          Re: Bubblesort "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-03-04 17:12 +0100
          Re: Bubblesort Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-03-05 02:00 +0100
            Re: Bubblesort John Harris <niam@jghnorth.org.uk.invalid> - 2016-03-05 18:39 +0000
            Re: Bubblesort Scott Sauyet <scott.sauyet@gmail.com> - 2016-03-05 17:40 -0800
      Re: Bubblesort "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2016-03-04 21:54 +0800
        Re: Bubblesort "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-03-04 16:59 +0100
    Re: Bubblesort jonas.thornvall@gmail.com - 2016-03-04 03:04 -0800
      Re: Bubblesort jonas.thornvall@gmail.com - 2016-03-04 03:55 -0800
    Re: Bubblesort Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-03-05 00:01 +0100
      Re: Bubblesort Aleksandro <aleksandro@gmx.com> - 2016-03-06 18:41 -0300

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