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Groups > comp.lang.javascript > #23529
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| Message-ID | <60636642.clnVRmuXiz@PointedEars.de> (permalink) |
| From | Thomas 'PointedEars' Lahn <PointedEars@web.de> |
| Reply-To | Thomas 'PointedEars' Lahn <cljs@PointedEars.de> |
| Organization | PointedEars Software (PES) |
| Date | Tue, 11 Mar 2014 18:01:29 +0100 |
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| Subject | Re: arr.push(obj); |
| Newsgroups | comp.lang.javascript |
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| Xref | csiph.com comp.lang.javascript:23529 |
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Christoph Michael Becker wrote:
> jonas.thornvall@gmail.com wrote:
>> Well i sure did, this for loop code will store values of index i at
>> their respective negative indexes. Just run it. There is no problem
>> to store and reach values at negative indexes but i want to store
>> objects not values.
>>
>> <script type="text/javascript">
>> var arr=[];
>> for (i=10;i>=-20;i--) {arr[i]=i;}
>> arr[-22]=-22;
>> for (i=10;i>=-22;i--) {document.write(arr[i],",");}
>> </script>
>
> As Evertjan has already pointed out,
… being wrong on several accounts …
> there are no negative array indexes, but the "index" is rather the name of
> a property of the array object in this case.
In *all* cases. It is only that with Array instances some property names,
the array indexes, are special.
> I suggest to use ECMAScript Arrays the way they're meant to be used, and
> use indexes from 0 to n, and scale them as appropriate.
As long as the “length” property is not used directly, it can be useful to
have an *Array* instance with user-defined properties whose names are string
representations of negative numbers, positive numbers greater than 2³² − 1,
and non-integers.
> BTW: please try to avoid Google Groups for posting if possible; at least
> avoid overlong lines when posting via GG.
ACK.
--
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.
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arr.push(obj); jonas.thornvall@gmail.com - 2014-03-10 17:38 -0700
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-10 20:19 -0700
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-10 20:28 -0700
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-10 21:19 -0700
Re: arr.push(obj); Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2014-03-11 06:59 -0300
Re: arr.push(obj); Christoph Michael Becker <cmbecker69@arcor.de> - 2014-03-11 16:02 +0100
Re: arr.push(obj); Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-03-11 16:22 +0000
Re: arr.push(obj); Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2014-03-11 13:32 -0300
Re: arr.push(obj); "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-03-11 10:21 +0100
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-11 03:53 -0700
Re: arr.push(obj); "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-03-11 14:03 +0100
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-11 07:45 -0700
Re: arr.push(obj); "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-03-11 16:24 +0100
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-11 10:40 -0700
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-11 10:51 -0700
Re: arr.push(obj); Christoph Michael Becker <cmbecker69@arcor.de> - 2014-03-11 19:23 +0100
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-11 15:33 -0700
Re: arr.push(obj); "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-03-12 00:37 +0100
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-11 16:46 -0700
Re: arr.push(obj); "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-03-12 01:05 +0100
Re: arr.push(obj); Christoph Michael Becker <cmbecker69@arcor.de> - 2014-03-12 01:40 +0100
Re: arr.push(obj); Christoph Michael Becker <cmbecker69@arcor.de> - 2014-03-12 00:48 +0100
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-11 15:43 -0700
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-11 16:18 -0700
Re: arr.push(obj); "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-03-12 00:39 +0100
Re: arr.push(obj); Christoph Michael Becker <cmbecker69@arcor.de> - 2014-03-12 00:52 +0100
Re: arr.push(obj); Christoph Michael Becker <cmbecker69@arcor.de> - 2014-03-12 00:49 +0100
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-11 17:16 -0700
Re: arr.push(obj); Christoph Michael Becker <cmbecker69@arcor.de> - 2014-03-12 02:07 +0100
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-11 18:13 -0700
Re: arr.push(obj); Christoph Michael Becker <cmbecker69@arcor.de> - 2014-03-13 02:25 +0100
Re: arr.push(obj); Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-03-13 11:03 +0100
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-12 07:46 -0700
Re: arr.push(obj); Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-03-12 01:27 +0100
Re: arr.push(obj); Christoph Michael Becker <cmbecker69@arcor.de> - 2014-03-12 01:44 +0100
Re: arr.push(obj); Christoph Michael Becker <cmbecker69@arcor.de> - 2014-03-11 16:26 +0100
Re: arr.push(obj); Carlos Pedro <carlospedr@gmail.com> - 2014-03-11 09:21 -0700
Re: arr.push(obj); Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-03-11 18:01 +0100
Re: arr.push(obj); Christoph Michael Becker <cmbecker69@arcor.de> - 2014-03-11 19:15 +0100
Re: arr.push(obj); Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-03-11 20:32 +0100
Re: arr.push(obj); Christoph Michael Becker <cmbecker69@arcor.de> - 2014-03-12 01:01 +0100
Re: arr.push(obj); Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-03-12 04:08 +0100
Re: arr.push(obj); Christoph Michael Becker <cmbecker69@arcor.de> - 2014-03-12 18:00 +0100
Re: arr.push(obj); Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2014-03-11 06:24 -0300
Re: arr.push(obj); jonas.thornvall@gmail.com - 2014-03-11 03:47 -0700
Re: arr.push(obj); Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-03-11 15:19 +0000
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