The obsolete event is fired when the manifest was found to have become a 404 or 410 page, so the application cache is being deleted.

General info

Specification
Offline
Interface
Event
Bubbles
No
Cancelable
No
Target
applicationCache
Default Action
None

Properties

Property Type Description
target EventTarget (DOM element) The event target (the topmost target in the DOM tree). Read Only.
type string The type of event. Read only.
canBubble boolean Does the event normally bubble? Read only.
cancelable boolean Is it possible to cancel the event? Read only.

See also