[Javascript] Memory leaks?

[elmuchacho at gmail.com (Laurent Muchacho)]

Hi Scott,

This is not an easy thing to sort out and to understand properly where you
code might leak it require a lot of reading on your part. I had similar
problem a little while ago and the link below it is what I will recommend

This is a tool call drip and it is really good and help a lot however it
doesn't always found the link when you make them obvious and want to show
your mate (it happen to me)
http://outofhanwell.com/ieleak/index.php?title=Main_Page

The first article is pretty good and the second one is from the people who
made leak something we have to worry about.
http://laurens.vd.oever.nl/weblog/items2005/closures/
http://msdn.microsoft
.com/library/default.asp?url=/library/en-us/IETechCol/dnwebgen/ie_leak_patterns.asp

Even if this article refer to IE they make good references on not what to do
in all browser

I hope this help good luck

Laurent

On 4/22/06, Scott Reynen <scott@xxxxxxxxxxxxxxx> wrote:
>
> I have a few AJAX applications, which work fine in IE, Firefox, and
> Safari, pinging the server every few seconds for new data.  I've
> noticed that if I leave one of these applications open overnight in
> Safari (haven't tested this in anything else yet), the key event
> handling will slow to a crawl by morning and it will only register
> that I've typed something a second or two after I actually press the
> key.  When I first open the application, such typing will register
> immediately.  Even if I reload the page after this happens, it will
> still be slow until I actually restart the whole browser.
>
> I'm not clear on what's causing this, but it seems like a memory
> leak.  Here are two applications that both seem to cause this problem:
>
> http://randomchaos.com/games/fastr/js/chat.js
> http://randomchaos.com/games/fastr/js/group.js
>
> The both involve typing in a text input, and they both take specific
> actions on the return/enter (13) keypress.  Unfortunately, you won't
> be able to experience the problem yourself with registering and
> leaving it open for several hours.  I'm sure there are a hundred
> problems with this code, as I'm largely self-taught in JavaScript.
> I'm specifically interested in the problem I described above, and
> would appreciate any suggestions in preventing such a gradual
> slowdown of the event handling.
>
> Peace,
> Scott
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