[qooxdoo-devel] IE javascript memory Leak problem

[Gu Dake]

Open the demo page http://qooxdoo.oss.schlund.de/demo/dev/public/test/user/Window_1.html in IE(my version is IE6/SP2) and repeatly click refresh button, you will see the IE memory keeping increase.  This problem does not exist in Mozilla1.5.

I suspect it's the well-known memory leak problem of IE _javascript_/COM object reference.  Google "IE _javascript_ memory Leak" returns a lot of topics.

My experience tell me _javascript_ should *explicitly* make all COM object(e.g. HTMLElement, ActiveXObject) reference to be undefined or null in "onunload()" if they are in a "circular" reference loop.

http://jibbering.com/faq/faq_notes/closures.html#clMem

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