[Xerte] Re: sum part of array?

[Pat Lockley]

eval(array.join("+")) ?

On Tue, Jul 26, 2011 at 2:50 PM, Dave Burnett <d_b_burnett at hotmail.com> wrote:
>
>
> Just out of curiosity, is there any way to sum part of an array?
>
>
> [1,2,3,4,5]
>
>
> Lets say I have an index variable and I always will want to sum from 0 to
> that variable.
>
>
> pseudo
> my_array.sum(0,var);
>
>
> Or am I forced to loop + add?
>
>
> Or any elegant way to create a temp array of the target elements and sum on
> that instead?
>
>
> Dave
>
>
>
>
>
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