onunload event

Applies to Windows and Windows Phone

Occurs when the application is about to be unloaded.

Syntax


WinJS.Application.addEventListener("unload", listenerName);
or
WinJS.Application.onunload = listenerName;


Event information

SynchronousNo
BubblesYes
CancelableYes

 

Event handler parameters

eventInfo

Type: CustomEvent

An object that contains information about the event. The detail property of this object includes the following sub-properties:

  • type: "unload"
  • setPromise: the Promise indicates that the event listener has pending asynchronous work. When the Promise is completed, the next handler will be dispatched.

Remarks

For more information about the application lifecycle, see Guidelines for managing the app lifecycle.

Requirements

Minimum supported client

Windows 8 [Windows Store apps only]

Minimum supported server

Windows Server 2012 [Windows Store apps only]

Minimum supported phone

Windows Phone 8.1

Namespace

WinJS.Application

Library

Base.js

 

 

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