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Re: Overflow, integers and strings

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From "Christoph M. Becker" <cmbecker69@arcor.de>
Newsgroups comp.lang.javascript
Subject Re: Overflow, integers and strings
Date Fri, 01 May 2015 23:37:20 +0200
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Thomas 'PointedEars' Lahn wrote:

> Christoph M. Becker wrote:
> 
>>       function arraySwap(x,y) {
>>         var tempArrName = this[y];
>>         this[y] = this[x];
>>         this[x] = tempArrName;
>>       }
> 
> Also, “this” is undefined in arraySwap() if that function is called in 
> strict mode.

Yes, indeed.  strict mode prevents such dangerous constructs where the
global object would be (inadvertently?) modified.

It seems to me that a generally correct arraySwap() could be written by
interchanging the array *elemtents*, but I'd rather avoid such a
function at all.

-- 
Christoph M. Becker

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Overflow, integers and strings jonas.thornvall@gmail.com - 2015-04-30 00:11 -0700
  Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-04-30 01:29 -0700
    Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-04-30 03:31 -0700
    Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-04-30 03:33 -0700
      Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-04-30 13:38 +0200
        Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-04-30 08:20 -0700
          Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-04-30 20:37 +0200
            Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-04-30 23:46 -0700
              Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 01:01 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 01:47 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-01 10:50 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 02:04 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-01 11:08 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 04:43 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 04:46 -0700
              Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-01 10:48 +0200
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-01 10:58 +0100
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-01 14:34 +0200
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-01 14:47 +0200
                Re: Overflow, integers and strings "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-05-01 15:04 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 06:18 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 06:24 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 06:49 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 07:00 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 07:17 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 07:21 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 07:37 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 11:27 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 12:34 -0700
                Re: Overflow, integers and strings Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-01 22:42 +0200
                Re: Overflow, integers and strings "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-05-01 23:37 +0200
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-02 00:19 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-02 05:50 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-02 14:21 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-03 04:30 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-03 07:12 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-03 16:45 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-03 09:17 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-03 09:22 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 03:38 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-04 14:01 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 06:41 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-04 15:39 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 07:48 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 06:49 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 07:25 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 08:26 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 08:59 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-05 00:59 +0100
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-04 15:28 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 07:34 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-04 15:41 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 07:52 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 08:03 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 17:56 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 09:04 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 09:21 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 09:38 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 21:07 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 12:25 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 21:43 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 12:46 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 22:11 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 12:53 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 22:23 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 13:40 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 23:12 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 13:06 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 22:39 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 13:42 -0700
                Re: Overflow, integers and strings Scott Sauyet <scott.sauyet@gmail.com> - 2015-05-04 13:40 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 13:47 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 23:30 +0200
                Re: Overflow, integers and strings "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-05-04 23:33 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 15:53 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 13:51 -0700
                Re: Overflow, integers and strings Scott Sauyet <scott.sauyet@gmail.com> - 2015-05-04 18:00 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 18:22 -0700
                Re: Overflow, integers and strings Scott Sauyet <scott.sauyet@gmail.com> - 2015-05-04 21:38 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 18:37 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 14:00 -0700
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 09:19 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 21:24 +0200
                Re: Overflow, integers and strings wolfgang zeidler <invalid@invalid.invalid> - 2015-05-04 21:37 +0200
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 21:56 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 13:21 -0700
                Re: Overflow, integers and strings wolfgang zeidler <invalid@invalid.invalid> - 2015-05-04 22:38 +0200
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 22:46 +0200
                Re: Overflow, integers and strings "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-05-04 22:57 +0200
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 23:17 +0200
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-05 00:45 +0100
                Re: Overflow, integers and strings "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-05-06 00:01 +0200
                Re: Overflow, integers and strings Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-05 08:14 +0200
                Re: Overflow, integers and strings "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-05-05 23:54 +0200
                Re: Overflow, integers and strings wolfgang zeidler <invalid@invalid.invalid> - 2015-05-04 23:18 +0200
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-04 23:53 +0200
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 16:06 -0700
                Re: Overflow, integers and strings "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-05-05 10:26 +0200
                Re: Overflow, integers and strings Dr J R Stockton <reply1500@merlyn.demon.co.uk.invalid> - 2015-05-05 19:59 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-04 07:40 -0700
                Re: Overflow, integers and strings Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-05 01:10 +0100
                Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-05-01 05:03 -0700
        Re: Overflow, integers and strings Ben Bacarisse <ben.lists@bsb.me.uk> - 2015-04-30 20:36 +0100
          Re: Overflow, integers and strings jonas.thornvall@gmail.com - 2015-04-30 13:08 -0700
  Re: Overflow, integers and strings Scott Sauyet <scott.sauyet@gmail.com> - 2015-04-30 10:52 -0700

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