A different name may help to better convey the meaning (maybe queue?) but otherwise I prefer this syntax a lot over the other proposals so far.
Jörn On Sun, Oct 5, 2008 at 6:57 PM, John Resig <[EMAIL PROTECTED]> wrote: > > I want to add one more proposal to the pile: > http://dev.jquery.com/~john/plugins/chain/ > > A new .chain() method that allows you to write code like this: > jQuery("div") > .chain("hide", "slow") > .addClass("done") > .find("span") > .addClass("done") > .end() > .chain("show", "slow") > .removeClass("done") > .end() > .end(); > > I had messed around with implementing something similar before but at > gotten stymied on the implementation. I appear to have it working now. > > --John > > > > On Sun, Oct 5, 2008 at 9:18 AM, John Resig <[EMAIL PROTECTED]> wrote: >> I already did it: >> http://dev.jquery.com/~john/plugins/callback/ >> >> my other proposal: >> http://dev.jquery.com/~john/plugins/callback/old.html >> >> I'm working on a third proposal now. >> >> A nice thing about $.callback is that it's very simple (perhaps too >> simple - no support for chaining). >> >> --John >> >> >> >> On Sat, Oct 4, 2008 at 7:09 PM, Ariel Flesler <[EMAIL PROTECTED]> wrote: >>> Why don't we make a plugin out of this ? there's no so much of a need for >>> this on the core. >>> Then, if it seems successful, we can add it (just like offset/dimensions). >>> >>> On Sat, Oct 4, 2008 at 4:26 PM, Brandon Aaron <[EMAIL PROTECTED]> >>> wrote: >>>> >>>> Although it seems like we are getting further off-topic... I often pass >>>> around function references as strings. For example this is a common pattern >>>> that I use. >>>> $('div')[ test() ? 'doSomething' : 'doSomethingElse' ](); >>>> Using something like $.callback is very explicit as to its purpose. After >>>> all callback is exactly what we call it in the docs, etc. Granted I don't >>>> mind using anonymous callbacks, if I need the code to be cleaner, I'll use >>>> named functions to be even more explicit. But of the other proposals I like >>>> $.callback the best. >>>> -- >>>> Brandon Aaron >>>> On Sat, Oct 4, 2008 at 9:56 AM, Cloudream <[EMAIL PROTECTED]> wrote: >>>>> >>>>> I do not like passing a jQuery method name as a string to one special >>>>> method. >>>>> >>>>> A new (and a little strange) usage to jQuery. >>>>> >>>>> On Oct 4, 5:06 am, "Brandon Aaron" <[EMAIL PROTECTED]> wrote: >>>>> > I'd prefer this as well. >>>>> > >>>>> > I think this also helps a few common cases of var self = $(this); >>>>> > -- >>>>> > Brandon Aaron >>>>> > >>>>> > On Fri, Oct 3, 2008 at 4:01 PM, Yehuda Katz <[EMAIL PROTECTED]> wrote: >>>>> > > $.callback("addClass", "hello") is ok with me. >>>>> > > -- Yehuda >>>>> > >>>>> > > On Fri, Oct 3, 2008 at 1:58 PM, Ariel Flesler <[EMAIL PROTECTED]> >>>>> > > wrote: >>>>> > >>>>> > >> Yeah, well. We could provide an interface for registering these >>>>> > >> methods >>>>> > >> for those plugins that are interested. Still, someone could expect a >>>>> > >> method >>>>> > >> to be registered when it's not. >>>>> > >>>>> > >> The other option is to pass the method name as first argument, works >>>>> > >> around this but it loses the I-call-the-analog-method thing. >>>>> > >>>>> > >> On Fri, Oct 3, 2008 at 5:51 PM, Yehuda Katz <[EMAIL PROTECTED]> >>>>> > >> wrote: >>>>> > >>>>> > >>> The only tricky thing here is that because JS has no method_missing >>>>> > >>> or >>>>> > >>> cross-browse __noSuchMethod__, we'd be forced to explicitly write >>>>> > >>> all the >>>>> > >>> proxies, which could become messy when they work for core methods, >>>>> > >>> but not >>>>> > >>> all plugins. >>>>> > >>> Or maybe I'm just being a nervous nelly. >>>>> > >>>>> > >>> -- Yehuda >>>>> > >>>>> > >>> On Fri, Oct 3, 2008 at 1:46 PM, Ariel Flesler >>>>> > >>> <[EMAIL PROTECTED]>wrote: >>>>> > >>>>> > >>>> Note that John's code doesn't do actual currying, but partial >>>>> > >>>> evaluation. >>>>> > >>>>> > >>>>http://en.wikipedia.org/wiki/Partial_evaluation >>>>> > >>>>> > >>>> Currying is a complex concept in comparison to the latter. >>>>> > >>>> Anyway, you can change the name if you want, the idea is simple, >>>>> > >>>> create >>>>> > >>>> a closure with fixed parameters. >>>>> > >>>> We can name it callback (though it's long) >>>>> > >>>>> > >>>> jQuery("#test").hide("slow", jQuery.callback.show("slow") ); >>>>> > >>>>> > >>>> Not to hard to understand IMO, and no CS involved :) >>>>> > >>>>> > >>>> On Fri, Oct 3, 2008 at 5:41 PM, Yehuda Katz <[EMAIL PROTECTED]> >>>>> > >>>> wrote: >>>>> > >>>>> > >>>>> As in Computer Science. >>>>> > >>>>> Using a currying function requires people new to jQuery to go >>>>> > >>>>> look it >>>>> > >>>>> up, where they'll encounter: >>>>> > >>>>> > >>>>>http://en.wikipedia.org/wiki/Curry >>>>> > >>>>> > >>>>> and probably eventually: >>>>> > >>>>> > >>>>>http://en.wikipedia.org/wiki/Currying >>>>> > >>>>> > >>>>> "Given a function *f* of type [image: f \colon (X \times Y) \to >>>>> > >>>>> Z], >>>>> > >>>>> then *currying* it makes a function [image: \mbox{curry}(f) >>>>> > >>>>> \colon X >>>>> > >>>>> \to (Y \to Z)]. That is, curry(*f*) takes an argument of type *X* >>>>> > >>>>> and >>>>> > >>>>> returns a function of type [image: Y \to Z].*Uncurrying* is the >>>>> > >>>>> reverse transformation." >>>>> > >>>>> > >>>>> Prototype added features like this to 1.6, and while they're >>>>> > >>>>> interesting and useful, they make it hard for people coming to a >>>>> > >>>>> codebase >>>>> > >>>>> (especially people new to the framework) to understand what's >>>>> > >>>>> happening in >>>>> > >>>>> the code. >>>>> > >>>>> > >>>>> On Fri, Oct 3, 2008 at 1:34 PM, Ariel Flesler >>>>> > >>>>> <[EMAIL PROTECTED]>wrote: >>>>> > >>>>> > >>>>>> CS as in Counter Strike ? :D >>>>> > >>>>>> Heh, no really... what is CS, forgive my ignorance :P >>>>> > >>>>> > >>>>>> On Fri, Oct 3, 2008 at 5:30 PM, Yehuda Katz <[EMAIL PROTECTED]> >>>>> > >>>>>> wrote: >>>>> > >>>>> > >>>>>>> Any feature that requires knowledge of CS is a no-go in my book >>>>> > >>>>>>> :P >>>>> > >>>>>>> -- Yehuda >>>>> > >>>>> > >>>>>>> On Fri, Oct 3, 2008 at 1:27 PM, Ariel Flesler >>>>> > >>>>>>> <[EMAIL PROTECTED]>wrote: >>>>> > >>>>> > >>>>>>>> Eh, nothing, got it wrong. >>>>> > >>>>> > >>>>>>>> We could just save all these methods on a special object. >>>>> > >>>>> > >>>>>>>> jQuery("#test").hide("slow", jQuery.curry.show("slow") ); >>>>> > >>>>> > >>>>>>>> The name could be changed of course. >>>>> > >>>>> > >>>>>>>> Or renamed methods (probably bad option) >>>>> > >>>>> > >>>>>>>> jQuery("#test").hide("slow", jQuery.curriedShow("slow") ); >>>>> > >>>>> > >>>>>>>> On Fri, Oct 3, 2008 at 5:14 PM, John Resig >>>>> > >>>>>>>> <[EMAIL PROTECTED]>wrote: >>>>> > >>>>> > >>>>>>>>> > It is indeed. You can't expect parameters though and you >>>>> > >>>>>>>>> > could >>>>> > >>>>>>>>> get conflict >>>>> > >>>>>>>>> > with the actual parameters sent by the caller. >>>>> > >>>>> > >>>>>>>>> I'm not sure what you're referring to - are you referring to >>>>> > >>>>>>>>> a bug >>>>> > >>>>>>>>> in >>>>> > >>>>>>>>> the code? Do you have an example? >>>>> > >>>>> > >>>>>>>>> --John >>>>> > >>>>> > >>>>>>>> -- >>>>> > >>>>>>>> Ariel Flesler >>>>> > >>>>>>>>http://flesler.blogspot.com >>>>> > >>>>> > >>>>>>> -- >>>>> > >>>>>>> Yehuda Katz >>>>> > >>>>>>> Developer | Engine Yard >>>>> > >>>>>>> (ph) 718.877.1325 >>>>> > >>>>> > >>>>>> -- >>>>> > >>>>>> Ariel Flesler >>>>> > >>>>>>http://flesler.blogspot.com >>>>> > >>>>> > >>>>> -- >>>>> > >>>>> Yehuda Katz >>>>> > >>>>> Developer | Engine Yard >>>>> > >>>>> (ph) 718.877.1325 >>>>> > >>>>> > >>>> -- >>>>> > >>>> Ariel Flesler >>>>> > >>>>http://flesler.blogspot.com >>>>> > >>>>> > >>> -- >>>>> > >>> Yehuda Katz >>>>> > >>> Developer | Engine Yard >>>>> > >>> (ph) 718.877.1325 >>>>> > >>>>> > >> -- >>>>> > >> Ariel Flesler >>>>> > >>http://flesler.blogspot.com >>>>> > >>>>> > > -- >>>>> > > Yehuda Katz >>>>> > > Developer | Engine Yard >>>>> > > (ph) 718.877.1325 >>>>> >>>> >>>> >>>> >>> >>> >>> >>> -- >>> Ariel Flesler >>> http://flesler.blogspot.com >>> >>> >> >>> >> > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "jQuery Development" group. To post to this group, send email to jquery-dev@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/jquery-dev?hl=en -~----------~----~----~----~------~----~------~--~---
