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Re: About format to always use 2 digits for hour

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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.

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.

>.. both loosing the educational symplicity of:

YSCIB.

-- 
 (c) John Stockton, nr London, UK.   E-mail, see Home Page.    Turnpike v6.05.
 Website  <http://www.merlyn.demon.co.uk/> - w. FAQish topics, links, acronyms
 PAS EXE etc. : <http://www.merlyn.demon.co.uk/programs/> - see in 00index.htm
 Dates - miscdate.htm estrdate.htm js-dates.htm pas-time.htm critdate.htm etc.

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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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