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Groups > comp.lang.javascript > #22360

Re: Date Conversion ?

Message-ID <1693047.RCSKjYtSyA@PointedEars.de> (permalink)
From Thomas 'PointedEars' Lahn <PointedEars@web.de>
Organization PointedEars Software (PES)
Date 2013-12-17 21:42 +0100
Subject Re: Date Conversion ?
Newsgroups comp.lang.javascript
References <bh9en6Foh76U1@mid.individual.net> <1l7578dngtzld$.19qzw1e0gy93t$.dlg@40tude.net> <l8o67q$tli$1@dont-email.me> <1744237.gKV8rdnPMv@PointedEars.de> <l8qb46$me$1@speranza.aioe.org>

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Joao Rodrigues wrote:

> On 17/12/2013 12:12, Thomas 'PointedEars' Lahn wrote:
>> One can also access the first and last element of a sorted array:
>>
>>    var sortedCopy = arr.slice().sort(function (a, b) { return a - b; });
>>    var low = sortedCopy[0];
>>    var high = sortedCopy[sortedCopy.length - 1];
>>
>> <http://ecma-international.org/ecma-262/5.1/#sec-15.4.4.11>
> 
> or
> 
> var low = sortedCopy.shift();
> var high = sortedCopy.pop();

If you do not need the original copy later.  Because the property accessor 
does not modify the array like these two methods do.

>> Finally, all implementations of ECMAScript Ed. 5 – not just JavaScript
>> anymore – provide Array.prototype.reduce(), as mentioned by Björn:
>>
>>    var low = arr.reduce(
>>      function (accumulator, e, i, a) {
>>        if (е < accumulator)
>>        {
>>          return e;
>>        }
>>
>>        return accumulator;
>>      },
>>      arr[0]);
>>
>> <http://ecma-international.org/ecma-262/5.1/#sec-15.4.4.21>
> 
> 'accumulator' is a bad name, as you are not accumulating anything in
> that function.

The name fits.  An accumulator in computer science is a container that 
stores an intermediate value (remember the processor registers)?  As you
can see, it is directly from the Specification.
 
-- 
PointedEars

Twitter: @PointedEars2
Please do not Cc: me. / Bitte keine Kopien per E-Mail.

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Thread

Date Conversion ? "Mel Smith" <med_cutout_syntel@aol.com> - 2013-12-16 15:55 -0700
  Re: Date Conversion ? Bjoern Hoehrmann <bjoern@hoehrmann.de> - 2013-12-17 01:06 +0100
    Re: Date Conversion ? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-12-19 12:34 +0100
      Re: Date Conversion ? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-12-20 22:29 +0100
        Re: Date Conversion ? Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2013-12-23 10:00 -0200
  Re: Date Conversion ? JJ <duh@nah.meh> - 2013-12-17 07:06 +0700
    Re: Date Conversion ? Denis McMahon <denismfmcmahon@gmail.com> - 2013-12-17 00:35 +0000
      Re: Date Conversion ? "Mel Smith" <med_cutout_syntel@aol.com> - 2013-12-16 18:16 -0700
      Re: Date Conversion ? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2013-12-17 10:09 +0100
        Re: Date Conversion ? Denis McMahon <denismfmcmahon@gmail.com> - 2013-12-17 17:02 +0000
        Re: Date Conversion ? Dr J R Stockton <reply1300@merlyn.demon.co.uk.invalid> - 2013-12-18 19:14 +0000
          Re: Date Conversion ? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2013-12-19 15:42 +0100
            Re: Date Conversion ? "Michael F. Stemper" <michael.stemper@gmail.com> - 2013-12-19 09:20 -0600
              Re: Date Conversion ? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2013-12-20 10:04 +0100
      Re: Date Conversion ? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-12-17 15:12 +0100
        Re: Date Conversion ? Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2013-12-17 18:10 -0200
          Re: Date Conversion ? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-12-17 21:42 +0100
    Re: Date Conversion ? Bjoern Hoehrmann <bjoern@hoehrmann.de> - 2013-12-18 13:36 +0100
  Re: Date Conversion ? Dr J R Stockton <reply1300@merlyn.demon.co.uk.invalid> - 2013-12-17 19:02 +0000
    Re: Date Conversion ? "Mel Smith" <med_cutout_syntel@aol.com> - 2013-12-17 20:51 -0700
      Re: Date Conversion ? Dr J R Stockton <reply1300@merlyn.demon.co.uk.invalid> - 2013-12-19 20:21 +0000
        Re: Date Conversion ? "Mel Smith" <med_cutout_syntel@aol.com> - 2013-12-20 09:52 -0700
          Re: Date Conversion ? Dr J R Stockton <reply1300@merlyn.demon.co.uk.invalid> - 2013-12-21 20:41 +0000
            Re: Date Conversion ? "Mel Smith" <med_cutout_syntel@aol.com> - 2013-12-22 09:52 -0700

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