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Re: null variable issue???

Newsgroups comp.lang.javascript
Date 2016-05-20 05:42 -0700
References <d247ae48-6485-40e6-8063-ae3797422142@googlegroups.com>
Message-ID <1aaa235c-121b-4bdd-af96-081693f06a0d@googlegroups.com> (permalink)
Subject Re: null variable issue???
From helixpoint@gmail.com

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On Friday, May 20, 2016 at 7:45:35 AM UTC-4, helix...@gmail.com wrote:
> This is the line. Can't I use...&& to stop this from returning null
> 
> return (E.Util.ieVersion() < 9 ? a.caller : a.caller.caller);
> 
> I know this is wrong, but something like....
> 
> return (E.Util.ieVersion() < 9 ? &&a.caller : &&a.caller.caller);

Both are returning null. How do I return false if both are null

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null variable issue??? helixpoint@gmail.com - 2016-05-20 04:45 -0700
  Re: null variable issue??? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-05-20 05:21 -0700
  Re: null variable issue??? helixpoint@gmail.com - 2016-05-20 05:42 -0700
    Re: null variable issue??? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-05-20 06:05 -0700
    Re: null variable issue??? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-05-20 14:10 +0100
  Re: null variable issue??? helixpoint@gmail.com - 2016-05-20 06:29 -0700
    Re: null variable issue??? JJ <jj4public@vfemail.net> - 2016-05-20 20:53 +0700
    Re: null variable issue??? JJ <jj4public@vfemail.net> - 2016-05-20 20:55 +0700
      Re: null variable issue??? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-05-20 21:06 +0200
        arguments object in strict mode (was: null variable issue???) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-05-22 07:23 +0200
  Re: null variable issue??? JJ <jj4public@vfemail.net> - 2016-05-20 20:46 +0700

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