jsdIStackFrame
inherits from: jsdiephemeral last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) strict mode is on.
...after you return from that handler the bottom frame, and any frame you found attached through it, are invalidated via the jsdiephemeral interface.

Index
after you return from that handler the bottom frame, and any frame you found attached through it, are invalidated via the jsdiephemeral interface.