I thought, I'd add on my personal thoughts on this subject. Personally,
I find the anonymous function version of filter et. al. to be quite
intuitive. You can either modify the stack temporarily and continue the
chain until you .end() this modified stack and return to the original,
or you can simply apply the methods you want to the argument you
provided leaving the original stack intact without needing to .end() the
modified stack seeing as it wasn't modified. Please please keep this
syntax as it's too elegant to not keep around.
-blair
Christof Donat wrote:
> Hi,
>
>> [...]
>> .method( Hash, arg1, ..., argN, ContextFunction )
>> [...]
>
> That all was not my point. My point was that it is irritating that the same
> function may be destructive or not just by providing the context-function.
> I'd vote for either never be destructive, or always. Since for functions like
> filter() it is difficult to go the "never destructive"-way, I'd like it to be
> always destructive and have an alternative version which is never
> destructive.
>
>> So, with .filter("foo",function) I'm taking the opportunity to remove
>> the need for:
>> .filter("foo").each(function(){
>>
>> }).end()
>
> That is exactly what the suggestet the filterend()-function is for. That way
> filter() ist always destructive and filterend() never. In both cases with or
> without a context function.
>
> $('div').filter('.test') // return value only contains divs with class 'test'
> $('div').filter('.test, // return value only contains divs with class 'test'
> function() {
> ...
> });
> $('div').filterend('.test') // return value contains all divs (useless)
> $('div').filterend('.test, // return value contains all divs
> function() {
> ...
> });
>
> The last to calls have the same effect as
>
> $('div').filter('.test').end()
> $('div').filter('.test').each( function() {
> ...
> }).end();
>
> In all cases the context function is evaluated for each div with the
> class 'test'. The difference between filter() and filterend() is just the
> return value.
>
> Christof
>
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