checking (Application Cache)

The checking event is fired when the user agent is checking for an update, or attempting to download the cache manifest for the first time.

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.

Related Events

• checking
• noupdate
• downloading
• progress
• cached
• updateready
• obsolete
• error

See also

• Using the Application Cache