WinJS
http://msdn.microsoft.com/library/windows/apps/bg182410New Controls in Windows 8.1 – Microsoft Pakistan DX Community BlogWindows UWP Namespaces - Windows UWP applications | Microsoft Docs
http://msdn.microsoft.com/library/windows/apps/bg182410New Controls in Windows 8.1 – Microsoft Pakistan DX Community BlogWindows UWP Namespaces - Windows UWP applications | Microsoft Docs