[OpenLayers-Dev] Re: [OpenLayers 3] type instantiation performance

[Andreas Hocevar]

Alright. Sorry, I had missed your initial posting that contained all this.

/me should not raise voice without reading the whole thread thoroughly.

The part that I had missed was that your proposal was to get rid of OpenLayers.Class entirely. I agree that this change makes more sense than working around an expensive instantiation through OpenLayers.Class.

Thanks,
Andreas.

On Oct 22, 2010, at 10:12 , Eric Lemoine wrote:

> On Friday, October 22, 2010, Andreas Hocevar <ahocevar at opengeo.org> wrote:
>> It will be good to see this "pure JS" approach in action, with actual code. Especially how subclassing and instanceof checking for any class in the inheritance chain would work.
> 
> Just look at my OpenLayers.inherit function and the examples I provided.
> 
> Basically;
> 
> P = function() {
> };
> P.prototype = {
> };
> p = new P;
> p instanceof P;
> 
> C = function() {
>    P.call(this);
> };
> OpenLayers.inherit(C, P, {
> });
> c = new C;
> c instanceof C;
> c instanceof P;
> 
> -- 
> Eric Lemoine
> 
> Camptocamp France SAS
> Savoie Technolac, BP 352
> 73377 Le Bourget du Lac, Cedex
> 
> Tel : 00 33 4 79 44 44 96
> Mail : eric.lemoine at camptocamp.com
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-- 
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.