From 3490042ee36c78a6eb9009ea9d1a928295803937 Mon Sep 17 00:00:00 2001
From: Anne van Kesteren Document
object on which the method was invoked.
This basically causes document.open()
to
- be ignored when it's called from a beforeunload
beforeunload
, pagehide
, or unload
event
handler while the Document
is being unloaded.