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From: Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups: comp.lang.javascript
Subject: Re: Bubblesort
Date: Tue, 08 Mar 2016 23:46:41 +0100
Organization: PointedEars Software (PES)
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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>
  
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