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Groups > comp.lang.javascript > #23515

Re: arr.push(obj);

From Joao Rodrigues <groups_jr-1@yahoo.com.br>
Newsgroups comp.lang.javascript
Subject Re: arr.push(obj);
Date 2014-03-11 06:24 -0300
Organization Aioe.org NNTP Server
Message-ID <lfmko8$2ll$1@speranza.aioe.org> (permalink)
References <b766bb8c-c9a9-4914-bf16-fe342ef06930@googlegroups.com>

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On 10/03/2014 21:38, jonas.thornvall@gmail.com wrote:
> 1. Can javascript have negative index of array[-500]?

The first element of an array is at index 0, and the last element is at
the index equal to the value of the array's length property minus 1.
See:
<http://www.ecma-international.org/ecma-262/5.1/#sec-15.4>
<https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array>

> 2. If so how can i change code below to create object range from -500
> to 500 as i understand it the code will will create an array with
> object 0-999.
>
> for (var i = -500; i <= +500; i ++ ) { var obj = { count : i, fcolor
> : 'black', rheight : 100, rwidth : 100, rcolor : 'white' }
>
> arr.push(obj); }
>
> 3. If i want to create an object on the fly as a counter
> increment/decrement in the code.
>
> Let us say obj for arr[-501] how go in todo that.
>
> JT

I didn't see an array with negative indices in the code above.

-- 
Joao Rodrigues

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Thread

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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