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WinJS.Promise.as function

Applies to Windows and Windows Phone

Returns a promise. If the object is already a Promise it is returned; otherwise the object is wrapped in a Promise.

You can use this function when you need to treat a non-Promise object like a Promise, for example when you are calling a function that expects a promise, but already have the value needed rather than needing to get it asynchronously.

Syntax


var promise = WinJS.Promise.as(nonPromise);

Parameters

value

Type: Object

The value to be treated as a Promise.

Return value

Type: Promise

The promise.

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.Promise

Library

Base.js

See also

Promise

 

 

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