Hello Arnar and folks.
Sorry for the late response, but i finally had the chance to spend
some days off in the snow with skiing.
Thanks a lot for your suggestions!
This did help me a lot!
I hope that with some more experience i can get way deeper in
MochiKit.
Regards, Frank
On 27 Jan., 04:12, "Arnar Birgisson" <[EMAIL PROTECTED]> wrote:
> On 1/27/07, Tom W.M. <[EMAIL PROTECTED]> wrote:
>
>
>
>
>
>
>
> > >>> var dataArr = new Array();
> > >>> forEach(rData, function(rRow) {
> > >>> dataArr.push(values(rRow));
> > >>> });
> > >> Yes there is: var dataArr = map(values, rData);
>
> > It's a bad idea to use either of these solutions, since JavaScript
> > object properties are not ordered. While it may happen to be that the
> > keys produced by a ``for (k in o)`` (as in ``keys(o)`` and ``items(o)``)
> > loop are produced in a stable order in current browsers, it should not
> > be counted on. If some browser changes their implementation, the
> > columns in your table may change order or even contain data that belongs
> > in other columns. This is also asking for cross-browser differences, as
> > different JavaScript implementations are likely to differ on this point.
>
> > You should incorporate an array of the keys into either your code or the
> > data structure so that you can access them in the correct order.
>
> Tom is absolutely right.
>
> To ease cases like this, maybe we should have a utility function in
> base like getItems:
>
> function getItems(keys, obj) {
> return map(function (key) { return obj[key]; }, keys);
>
> }
>
> especially intended for stuff like partial(getItems, ['firstname',
> 'lastname']).
>
> ...or maybe just extend itemgetter to accept an array as a parameter, so that
> itemgetter(['x','y'])({'x':10, 'y': 20}) == [10, 20]
>
> Arnar
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