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HttpRequestHeaderCollection.HasKey | hasKey method

Determines whether the HttpRequestHeaderCollection contains the specified key.

Syntax


var boolean = httpRequestHeaderCollection.hasKey(key);

Parameters

key

Type: String [JavaScript] | Platform::String [C++]

The key associated with the item to locate.

Return value

Type: Boolean [JavaScript] | Platform::Boolean [C++]

true if the key is found; otherwise, false.

Remarks

When programming with .NET, this method is hidden and developers should use ContainsKey.

Requirements (Windows 10 device family)

Device family

Universal, introduced version 10.0.10240.0

API contract

Windows.Foundation.UniversalApiContract, introduced version 1.0

Namespace

Windows.Web.Http.Headers
Windows::Web::Http::Headers [C++]

Metadata

Windows.Foundation.UniversalApiContract.winmd

Requirements (Windows 8.x and Windows Phone 8.x)

Minimum supported client

Windows 8.1

Minimum supported server

Windows Server 2012 R2

Minimum supported phone

Windows Phone 8.1 [Windows Phone Silverlight 8.1 and Windows Runtime apps]

Namespace

Windows.Web.Http.Headers
Windows::Web::Http::Headers [C++]

Metadata

Windows.winmd

See also

HttpRequestHeaderCollection

 

 

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