The SharePoint Framework
Microsoft are making significant investments in the user experience of SharePoint, creating new, modern experiences for core SharePoint capabilities like document libraries, lists, and portals. Like much of the modern web, these capabilities are built with an emphasis on client-side script to provide a light-weight, lightning-fast experience. The new SharePoint Framework provides the foundation inside SharePoint for building responsive experiences for both mobile and desktop. We'll help you to get started with the key new concepts and tools, as we build a client side web part.