Issue 1994: Properties in window.navigator do not survive GC
http://code.google.com/p/chromium/issues/detail?id=1994
Comment #5 by [EMAIL PROTECTED]:
You are right, there is widespread craziness in other browsers regarding
this.
However, there is agreement on behavior of window.navigator and and
window.location.
Attached is a test case which tests those main properties behavior across
GC.
Here is the output from the various browsers:
Chrome (everything was GCed)
[window.screen.myCustomProperty] : value=undefined
[window.history.myCustomProperty] : value=undefined
[window.locationbar.myCustomProperty] : value=undefined
[window.menubar.myCustomProperty] : value=undefined
[window.personalbar.myCustomProperty] : value=undefined
[window.scrollbars.myCustomProperty] : value=undefined
[window.statusbar.myCustomProperty] : value=undefined
[window.toolbar.myCustomProperty] : value=undefined
[window.navigator.myCustomProperty] : value=undefined
[window.location.myCustomProperty] : value=undefined
Safari 3.1 (navigator and location survived)
[window.screen.myCustomProperty] : value=undefined
[window.history.myCustomProperty] : value=undefined
[window.locationbar.myCustomProperty] : value=undefined
[window.menubar.myCustomProperty] : value=undefined
[window.personalbar.myCustomProperty] : value=undefined
[window.scrollbars.myCustomProperty] : value=undefined
[window.statusbar.myCustomProperty] : value=undefined
[window.toolbar.myCustomProperty] : value=undefined
[window.navigator.myCustomProperty] : survived GC
[window.location.myCustomProperty] : survived GC
Firefox 2 (navigator and location survived)
[window.screen.myCustomProperty] : value=undefined
[window.history.myCustomProperty] : value=undefined
[window.locationbar.myCustomProperty] : value=undefined
[window.menubar.myCustomProperty] : value=undefined
[window.personalbar.myCustomProperty] : value=undefined
[window.scrollbars.myCustomProperty] : value=undefined
[window.statusbar.myCustomProperty] : value=undefined
[window.toolbar.myCustomProperty] : value=undefined
[window.navigator.myCustomProperty] : survived GC
[window.location.myCustomProperty] : survived GC
IE7 (most of those props aren't valid in IE):
[window.screen.myCustomProperty] : threw exception setting value --
[object
Error]
[window.history.myCustomProperty] : survived GC
[window.locationbar] : does not exist.
[window.menubar] : does not exist.
[window.personalbar] : does not exist.
[window.scrollbars] : does not exist.
[window.statusbar] : does not exist.
[window.toolbar] : does not exist.
[window.navigator.myCustomProperty] : survived GC
[window.location.myCustomProperty] : survived GC
Attachments:
gc-prop.html 3.2 KB
Issue attribute updates:
Cc: [EMAIL PROTECTED]
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