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Re: About format to always use 2 digits for hour

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Dr J R Stockton wrote on 26 apr 2013 in comp.lang.javascript:

> In comp.lang.javascript message <XnsA1AD622F8E024eejj99@194.109.133.133>
> , Thu, 25 Apr 2013 09:39:07, Evertjan. <exxjxw.hannivoort@inter.nl.net>
> posted:
> 
>>
>>function two(x) { return !isNaN(x) && x<10 && x>=0 ?"0" + x :x }

> Gives an inappropriate string if the argument is the null value.

How could you geve an appropriate string?
 
> The slicing methods are acceptable for in-range inputs, or if the input
> may be larger but only the last two digits are wanted.
> 
> But consider   two(D.getMilliseconds()) ;  that will give the last two
> digits, and the output will always look correct.  But if there has been
> an editing mistake, converting a tested D.getSeconds() into
> D.getMilliseconds(), the output of your function two will still always
> look plausible, whereas that of my function LZ will, nine times out of
> ten, show three digits - and that will ease detection of the *real*
> error.   Etc.

Good reasoning.

However, in this forum, I prefer educational symplicity to detection of 
programmatical errors.
 
>>.. both loosing the educational symplicity of:
> 
> YSCIB.

Eye yous noh essie.

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

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Thread

About format to always use 2 digits for hour "Tony" <tony.johansson@inport.com> - 2013-04-23 15:07 +0200
  Re: About format to always use 2 digits for hour JJ <duh@nah.meh> - 2013-04-23 20:55 +0700
  Re: About format to always use 2 digits for hour "Jukka K. Korpela" <jkorpela@cs.tut.fi> - 2013-04-23 16:58 +0300
  Re: About format to always use 2 digits for hour "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2013-04-23 17:44 +0200
    Re: About format to always use 2 digits for hour "Mel Smith" <med_cutout_syntel@aol.com> - 2013-04-23 12:40 -0600
      Re: About format to always use 2 digits for hour Christoph Becker <cmbecker69@gmx.de> - 2013-04-23 21:02 +0200
    Re: About format to always use 2 digits for hour Dr J R Stockton <reply1300@merlyn.demon.co.uk.invalid> - 2013-04-24 22:12 +0100
      Re: About format to always use 2 digits for hour "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2013-04-25 09:39 +0200
        Re: About format to always use 2 digits for hour Dr J R Stockton <reply1300@merlyn.demon.co.uk.invalid> - 2013-04-26 20:56 +0100
          Re: About format to always use 2 digits for hour "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2013-04-27 10:50 +0200
            Re: About format to always use 2 digits for hour Dr J R Stockton <reply1300@merlyn.demon.co.uk.invalid> - 2013-04-28 16:49 +0100
              Re: About format to always use 2 digits for hour Stefan Weiss <krewecherl@gmail.com> - 2013-04-29 01:19 +0200
              Re: About format to always use 2 digits for hour "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2013-04-29 09:05 +0200
                Re: About format to always use 2 digits for hour Dr J R Stockton <reply1300@merlyn.demon.co.uk.invalid> - 2013-04-30 22:14 +0100

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