Groups > pl.comp.lang.javascript > #3194

Re: Operator ||

Newsgroups	pl.comp.lang.javascript
Date	2015-11-19 05:27 -0800
References	(1 earlier) <66995a5a-40f9-47b3-b75c-e69da8b2f137@googlegroups.com> <5f30c$564c40c9$6def49cc$17088@nntpswitch.blueworldhosting.com> <7216a2c7-5a5a-4d25-bd92-fedcc767a8b4@googlegroups.com> <31b156e9-661f-42a8-b716-acd48154d09c@googlegroups.com> <c6aafdad-68c7-4bcd-8979-45561f1024c4@googlegroups.com>
Message-ID	<42ebcda8-496d-4442-a54e-2d77e8c0b9f1@googlegroups.com> (permalink)
Subject	Re: Operator \|\|
From	zpksoft <zpksoft@op.pl>

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W dniu czwartek, 19 listopada 2015 10:55:22 UTC+1 użytkownik nk...@toya.net.pl napisał:
...> 
> a=0;
> //var a;                  // undefined
> b=100;
> 
> //alert(''+Boolean(a));
> alert('ok...'+(a||b));    // 100
> 
> Andrzej.

Ale gdy a!=0 to zwróci a. Bo odpowiednikiem wartości boolean==false są 0, null, undefined itp.

Paweł

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Thread

Operator || Romek <radek.pwf@gmail.com> - 2015-11-17 06:40 -0800
  Re: Operator || Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2015-11-17 17:20 +0100
  Re: Operator || nkab@toya.net.pl - 2015-11-18 00:21 -0800
    Re: Operator || Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2015-11-18 10:11 +0100
      Re: Operator || nkab@toya.net.pl - 2015-11-18 01:30 -0800
        Re: Operator || zpksoft <zpksoft@op.pl> - 2015-11-18 06:47 -0800
          Re: Operator || nkab@toya.net.pl - 2015-11-19 01:55 -0800
            Re: Operator || zpksoft <zpksoft@op.pl> - 2015-11-19 05:27 -0800
              Re: Operator || nkab@toya.net.pl - 2015-11-19 23:54 -0800
                Re: Operator || zpksoft <zpksoft@op.pl> - 2015-11-20 05:04 -0800

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