On Mon, 19 Jul 2010, MartinWittemann wrote:
> Hey Jeff,
> id you want to have a associative array, use a plain JavaScript object.
>
> var myhash = {};
>
> // insert
> myhash["key"] = "value";
> myhash[object] = secondObject; // object will converted to a string in this
> case!
>
> // delete
> delete myhash["key"];
>
> // exist
> myhash["key"] != undefined
>
> The problem comes in with sorting. JavaScript objects do not have an order
> because they are sets of data. So sorting is not supported by objects.
> And you still have to create the objects on the second level by hand if you
> need them.
>
> myhash["key"] = {};
> myhash["key"]["second"] = 123;
>
> But thats the way JS works.
I think this is rather similar to how it works in Perl ... although it's
probably syntactically more elegant to get the hashes 'sorted' (well, their keys
that is) in Perl. But I might very well be biased ...
I just Googled for
javascript sort associate array
and found
http://www.javascriptjedi.com/arraySort/sort_assoc.htm
I didn't really verify it, though ...
Cheers,
Fritz
--
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Schweiz web: www.oetiker.ch
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