why? It's just a shorthand, isn't it ? does it affect the computer
resources in any manner ?
On Wed, Dec 31, 2008 at 3:12 AM, Kean <shenan...@gmail.com> wrote:
>
> Just a nitpick.
>
> Don't do this
> var datascape = new Object();
> var datascape2 = new Array();
>
> Instead
> var datascape = {};
> var datascape2 = [];
>
>
> On Dec 30, 1:27 pm, "Alexandre Plennevaux" <aplennev...@gmail.com>
> wrote:
>> wair, you're all scarrying me:
>>
>> i often do things like this:
>>
>> var datascape = new Object();
>>
>> datascape.el = $('#datascape');
>> datascape.ini = function(){
>> datascape.el.click(function(){
>> dothis();
>> dothat();
>> });
>>
>> }
>>
>> is this pattern causing a potential memory leak problem, because the
>> js object is linked to a DOM element?
>>
>> On Tue, Dec 30, 2008 at 10:10 PM, Kean <shenan...@gmail.com> wrote:
>>
>> > A good reason why closure is used
>>
>> >http://yuiblog.com/blog/2006/06/01/global-domination/
>>
>> > On Dec 30, 1:04 pm, Kean <shenan...@gmail.com> wrote:
>> >> Klaus is right,
>>
>> >> Here's an article about closure causing
>> >> leakshttp://www.javascriptkit.com/javatutors/closuresleak/index.shtml
>>
>> >> On Dec 30, 4:38 am, "Alexandre Plennevaux" <aplennev...@gmail.com>
>> >> wrote:
>>
>> >> > Klaus, you got me: frankly i have no "real" idea what is the purpose
>> >> > of enclosure.
>> >> > That's abstract art to me. i just read in several places that it's
>> >> > good to use it, so i trust my sources, do it and move on. Not that i'm
>> >> > proud of it, but, to use a metaphor, one does not need to know the
>> >> > internals of a car in order to be able to drive it, although it surely
>> >> > is a valuable knowledge if one wants to keep its car in a good state !
>> >> > Yet, since the car changes every six months, it's just up to you,
>> >> > wheather you're driven by the pure developer's passion or by consumer
>> >> > pragmatism.
>>
>> >> > On Tue, Dec 30, 2008 at 1:28 PM, Klaus Hartl
>> >> > <klaus.ha...@googlemail.com> wrote:
>>
>> >> > > On 30 Dez., 08:45, "Alexandre Plennevaux" <aplennev...@gmail.com>
>> >> > > wrote:
>> >> > >> "JavaScript enclosures"?
>>
>> >> > >> i think it has to do with encapsulating your code inside a function
>> >> > >> so
>> >> > >> that all vars are inside the function's scope, so not cluttering the
>> >> > >> global namespace.
>> >> > >> This, to avoid memory leak.
>>
>> >> > > Are you implying that global variables do leak memory? There are good
>> >> > > reasons to not clutter the global namespace but I don't believe
>> >> > > avoiding leaks is one of them.
>>
>> >> > > Actually you do increase the chance to create leaks in IE if you use
>> >> > > closures under certain circumstances.
>>
>> >> > > --Klaus
