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From: Joao Rodrigues <groups_jr-1@yahoo.com.br>
Newsgroups: comp.lang.javascript
Subject: Re: arr.push(obj);
Date: Tue, 11 Mar 2014 06:24:27 -0300
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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