WARNING: Most of this content (with the exception of the Mozilla 1.9 XPCOM reference) is very old, and can be expected to be out of date and possibly obsolete. For better XUL documentation, please visit the XUL hub at the Mozilla Developer Center.

nsIDOMBeforeUnloadEvent

IID:da19e9dc-dea2-4a1d-a958-9be375c9799c
Inherits From:nsIDOMEvent

The nsIDOMBeforeUnloadEvent interface is the interface for events sent to handlers of the "beforeunload" event. This event is non-standard. Interface derived from Microsoft IE's event implementation.

>http://msdn.microsoft.com/library/default.asp?url=/workshop/author/dhtml/reference/events.asp

Properties

DOMString returnValue

Attribute used to pass back a return value from a beforeunload handler

Reference documentation is generated from Mozilla's source.