Hi Sebastian,

I understand the need of disposing for freeing memory, but when loading a
new page, I think the browser discards ALL stuff related to the old page,
and we shouldn't care about.
A especial case is when we have several linked documents (iframes,
window.open(), ....)


Sebastian Werner wrote:
> 
> It's because of memory leaks. We need to help the browser to get all the 
> acquired memory free afterwards. There are some issues that objects and 
> especially DOM-nodes connected with each-other especially in case of 
> circular references couldn't automatically resolved by the browser.
> 
> That's the idea behind disposing. But the disposer is not a memory 
> management tool. We don't directly can control the browser and tell him 
> to free memory now. This is the reason why pooling of objects etc. is 
> interesting sometimes.
> 
> Hope this helps.
> 
> Cheers,
> 
> Sebastian
> 
> 
> 
> dperez schrieb:
>> Hi,
>> 
>> Just for curiosity, why all objects are disposed in the window.unload
>> event?
>> For freeing memory?  Isn't the memory automatically freed by the browser?
>> Or perhaps for giving the objects a chance for doing something special?
>> If this is the case, woudn't this slow down the broswer a little
>> unnecessarily?
>> Thanks in advance for any light in this area.
>> 
>> Regards,
>> David
> 
> 
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