[thelist] Using for loops with a twist

[Matt Warden]

On 4/2/07, Christian Heilmann <codepo8 at gmail.com> wrote:
> var arr = [1,2,0,4,5];
> for(var i=0;arr[i];i++){
>   alert(arr[i]);
> }
>
> However, as 0 is falsy, you need to check properly:
>
> var arr = [1,2,0,4,5];
> for(var i=0;arr[i]!==undefined;i++){
>   alert(arr[i]);
> }

What happens to this if you do:

delete arr[1];

?

-- 
Matt Warden
Cleveland, OH, USA
http://mattwarden.com


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