I would also like to express that I think => with proposed (bound this)
semantics, are great. And I don't think it introduces any new issues it's just
a sugar for:
function() { /* … */ }.bind(this)
Regards
--
Irakli Gozalishvili
Web: http://www.jeditoolkit.com/
On Tuesday, 2012-06-05 at 12:06 , Russell Leggett wrote:
> On Tue, Jun 5, 2012 at 2:30 PM, Angus Croll <[email protected]
> (mailto:[email protected])> wrote:
> > Yes the thread needs wrapping up. Maybe I can attempt summarize the dilemma
> > - with a question:
> >
> > Is call/apply just a remedy for non-lexical this assignment? Or is it a
> > powerful feature in it own right.
> >
> > I'm with the second camp, but I think I'm in the minority in this list
>
> Call/apply are of course powerful features, but they should not be used just
> for the sake of using them. You know what's cleaner looking than call/apply?
> Just calling the function directly!
>
> I think the bigger, but related question is, "When should dynamic |this| be
> used?" Do you think the jQuery style of using the dynamic this in callback is
> good? Many of us here do not. Dynamic |this| allows for functions to work
> like methods - it enables mixins and all kinds of meta-programming goodness.
> However, it can also be abused, and create really funky code that can lead to
> weird surprises.
>
> Maybe I'm just conservative here. I suppose I can see the appeal of not
> having to add that pesky extra parameter and instead use |this| for whatever
> arbitrary thing you might want to put there, but it sure seems less readable
> to me. You might as well just use the arguments object for everything instead
> having parameter names!
>
> Until now, with the addition of bind, and the fat arrow, there were a lot of
> common cases where you would have to put a callback method back with its
> original |this| object. That is one use of call/apply, and one that will
> hopefully need less use. Another nice use of it was to easily delegate by
> using apply and passing through the arguments object. That will go away with
> rest parameters. So yeah, we might be seeing less of call/apply with ES6, but
> I think we're replacing them with better patterns instead of just saying they
> aren't useful anymore.
>
> - Russ
>
>
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