WinJS Namespace

The WinJS namespace provides special Windows Library for JavaScript functionality, including Promise and xhr. For more information, see Organizing your code with WinJS.Namespace.

The WinJS namespace has these types of members:

• Objects
• Properties
• Functions

Objects

Object	Description
ErrorFromName object	An error object.
Promise object	Provides a mechanism to schedule work to be done on a value that has not yet been computed. It is an abstraction for managing interactions with asynchronous APIs. For more information about asynchronous programming, see Asynchronous programming. For more information about promises in JavaScript, see Asynchronous programming in JavaScript.

 

Properties

Property	Description
validation property	Can be set to show the results of a validation process.

 

Functions

Function	Description
define function	Defines a new namespace with the specified name. For more information, see Organizing your code with WinJS.Namespace.
defineWithParent function	Defines a new namespace with the specified name under the specified parent namespace. For more information, see Organizing your code with WinJS.Namespace.
log function	Writes output to the JavaScript console in Visual Studio. You can provide an implementation of this method yourself, or use WinJS.Utilities.startLog to log to the JavaScript console.
strictProcessing function	This method has been deprecated. Strict processing is always on; you don't have to call this method to turn it on.
xhr function	Wraps calls to XMLHttpRequest in a promise.

 

Requirements

Minimum WinJS version	WinJS 1.0
Namespace	WinJS

See also

Quickstart: Adding WinJS controls