MvcWebApiCors is a small library for .NET MVC 4 which sets the response headers correctly to allow Cross Origin Resource Sharing. You don't have to upgrade to MVC 5, you don't have to upgrade to Visual Studio 2013 and you definitely don't have to have IE10!
Install-Package MvcWebApiCors -Version 0.3.0
dotnet add package MvcWebApiCors --version 0.3.0
<PackageReference Include="MvcWebApiCors" Version="0.3.0" />
paket add MvcWebApiCors --version 0.3.0
This package has no dependencies.
This package is not used by any popular GitHub repositories.