Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!weretis.net!feeder1.news.weretis.net!news.solani.org!.POSTED!not-for-mail
From: Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups: comp.lang.javascript
Subject: Re: function to get frequencies of a char array
Date: Sat, 24 Jan 2015 15:36:16 +0100
Organization: PointedEars Software (PES)
Lines: 24
Message-ID: <2697158.aGRKFDBAEn@PointedEars.de>
References: <dec04bcb-c8c2-4446-b82c-6c3fa7e05e48@googlegroups.com> <XnsA42B6242E020eejj99@194.109.133.133> <m9ti7r$sbg$1@solani.org> <26839541.MRbOrngyXZ@PointedEars.de> <87twzgl0aq.fsf@bsb.me.uk>
Reply-To: Thomas 'PointedEars' Lahn <cljs@PointedEars.de>
Mime-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 8Bit
X-Trace: solani.org 1422110216 2785 eJwFwQkBwDAIA0BLfKFUDg3Dv4TdwVOTJxIZWOwl1iQu+2PqqBOF8dleHmkTFJnV82w8Xv8qbRHi (24 Jan 2015 14:36:56 GMT)
X-Complaints-To: abuse@news.solani.org
NNTP-Posting-Date: Sat, 24 Jan 2015 14:36:56 +0000 (UTC)
User-Agent: KNode/4.14.2
X-User-ID: eJwFwQkBwDAIA0BLpOOVAyn1L2F39jmcoW6u9uxVsHLbsUHBgdwGBNp70oS42uRkz8zRvZuDLOeyaFZSP1ZAFeE=
Cancel-Lock: sha1:vDYIGt6aSNKizGYgdamUs1L4JZk=
X-NNTP-Posting-Host: eJwNwokRACEIBLCW5NlVyjlA+i/BywRGYW0n6BhMx0WLRkYzU8Ozum7N+f4Lp4/QbeXYlqLoAzcvEZY=
Xref: csiph.com comp.lang.javascript:26689

Ben Bacarisse wrote:

> Thomas 'PointedEars' Lahn <PointedEars@web.de> writes:
>>   var counts = {};
>>
>>   for (var i = 0, len = a.length; i < len; ++i)
>>   {
>>     /* NOTE: hasOwnProperty() may be required */
>>     var e = a[i];
>>     e ? ++counts[e] : (counts[e] = 1);
>>   }
> 
> I think you meant counts[e] ? ++counts[e] : (counts[e] = 1); here (and
> immediately below): […]

No, but

  if (e) { counts[e] ? ++counts[e] : (counts[e] = 1); }

-- 
PointedEars
FAQ: <http://PointedEars.de/faq> | SVN: <http://PointedEars.de/wsvn/>
Twitter: @PointedEars2 | ES Matrix: <http://PointedEars.de/es-matrix>
Please do not cc me. / Bitte keine Kopien per E-Mail.