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Re: what does var adc = adc || {}; mean?

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Gregor Kofler wrote:

> I suppose situations without the var are more frequent:
> 
> function foo(bar) {
>    bar = bar || 42;
>    ...
> }
> 
> though a
> 
> function foo(bar) {
>    var bar = bar || 42;
>    ...
> }
> 
> wouldn't do any harm.

… and

  function foo(bar) {
    if (!bar) bar = 42;
    ...
  }

(with or without Block statement) would make sense. 


PointedEars
-- 
    realism:    HTML 4.01 Strict
    evangelism: XHTML 1.0 Strict
    madness:    XHTML 1.1 as application/xhtml+xml
                                                    -- Bjoern Hoehrmann

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Thread

what does var adc = adc || {}; mean? von kristoff <mrjcnicolas@gmail.com> - 2012-06-27 07:59 -0700
  Re: what does var adc = adc || {}; mean? Mike Winter <usenet@michael-winter.me.invalid> - 2012-06-27 18:04 +0100
  Re: what does var adc = adc || {}; mean? Gregor Kofler <usenet@gregorkofler.com> - 2012-06-27 19:28 +0200
    Re: what does var adc = adc || {}; mean? Gene Wirchenko <genew@ocis.net> - 2012-06-27 14:17 -0700
      Re: what does var adc = adc || {}; mean? Gregor Kofler <usenet@gregorkofler.com> - 2012-06-28 00:32 +0200
        Re: what does var adc = adc || {}; mean? Gene Wirchenko <genew@ocis.net> - 2012-06-27 19:22 -0700
        Re: what does var adc = adc || {}; mean? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-06-30 10:54 +0200
  Re: what does var adc = adc || {}; mean? von kristoff <mrjcnicolas@gmail.com> - 2012-06-27 11:46 -0700
  Re: what does var adc = adc || {}; mean? Scott Sauyet <scott.sauyet@gmail.com> - 2012-06-28 06:53 -0700

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