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Message-ID: <1697171.AecsYaxG3A@PointedEars.de>
From: Thomas 'PointedEars' Lahn <PointedEars@web.de>
Reply-To: Thomas 'PointedEars' Lahn <usenet@PointedEars.de>
Organization: PointedEars Software (PES)
Date: Fri, 31 May 2013 18:16:48 +0200
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Subject: Re: !0 versus true
Newsgroups: comp.lang.javascript
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Xref: csiph.com comp.lang.javascript:20068

Thomas 'Ingrid' Lahn wrote:

> One might think that this is a case special to ECMAScript implementations
> because of the overloaded “+” operator.  There is a sort of implicit
> precedence here:
> 
>   "" + 0 + 1 ≡ ("" + 0) + 1 ≡ "0" + 1 ≡ "01"
>   1 + 0 + "" ≡ (1 + 0) + "" ≡ "1" + 1 ≡ "1"

Correction:

    1 + 0 + "" ≡ (1 + 0) + "" ≡ 1 + "" ≡ "1"

> [but …]

-- 
PointedEars