Dan, This is my last comment on the subject, as I foresee another endless discussion, but:
Closure (Module Pattern) outperforms any other 'style' at least 2 to 1 on the test you quote, yet you recommend that we don't use it? EdB On Tue, Nov 27, 2012 at 5:22 PM, Daniel Wasilewski <devudes...@gmail.com> wrote: > I'll try to help Alex :) > But he may correct me if I am wrong. > > > I believe this little test will show full picture and all 4 common styles of > JS programming we are talking about here. > > Notice there is nothing about inheritance, just plain objects (classes) > Once inheritance is involved things are slowing down with different ratios. > > http://jsperf.com/closures-vs-objects-vs-object-literals-vs-prototype/2 > > Current proposed style of JS output is Object Literal (red bar in that > test); > Prototype (green bar) in plain object test seems to be 2nd solution > outperformed by closure (blue bar) these days. > > But when inheritance is involved blue bar is getting shorter and prototype > is catching up. > Prototype pattern has also less footprint, since you adding 1 shared > behaviour to your object that will be reused wherever possible instead > creating brand new object. > > There is no surprise why Closure style runs very well on web kit based > browsers since Google promoting this style and making optimisation just for > it. > FireFox trying to catch up, but Safari seems to do well both. > > > Here is a little example of inheritance done with prototype pattern > > var Class = function(){}; //empty function to avoid invocation during > > Function.prototype.extend = function(C){ > Class.prototype = C.prototype; > this.prototype = new Class(); > this.prototype.constructor = this; > return this.prototype > }; > > now you can easily do this: > > function EventDispatcher(){} > p = EventDispatcher.prototype; > > function DisplayObject(){ > EventDispatcher.call(this); //equivalent of super > } > p = DisplayObject.extend(EventDispatcher); > > THis is obviously simplified form of what is really needed but it is good > enough to cover lots of aspects already. > Don't want to repeat what has been already sent here as examples, but > simplicity and speed of this solution will outperform anything in > real-project-use-case-scenario. > > Dan > > > On 11/27/2012 8:06 AM, Erik de Bruin wrote: >> >> Alex, >> >> You keep referring to a "prototype". I might be missing something. >> Where can I find it/how do I run it? >> >> EdB >> >> >> >> On Mon, Nov 26, 2012 at 10:32 PM, Alex Harui <aha...@adobe.com> wrote: >> > -- Ix Multimedia Software Jan Luykenstraat 27 3521 VB Utrecht T. 06-51952295 I. www.ixsoftware.nl
