arguments.caller posion pill still needed

Allen Wirfs-Brock Allen.Wirfs-Brock at
Wed Jun 10 13:40:02 PDT 2009

It's at least in IE6, I don't know about earlier...

From: Brendan Eich [mailto:brendan at]

However, it turns out that IE does implement a caller property on arguments objects.

When was that added?
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