Azure AD
Inconvenient ADAL JS Angular with simultaneous CORS requests
The ADAL JS Angular library offers great capabilities for building rich web applications unless you're trying to issue multiple CORS calls at the same time.
From 0 to 60 or how I refactored an Office Add-in from a web page hosted in SharePoint to an application using Node.js, CORS and Office 365 API
After building SharePoint solutions for a few years I tried building an Office Add-in querying the Office Graph. Here is what I learned.
Building applications with the Office 365 APIs on any platform
Thanks to Microsoft’s investments we can build add-ins and web apps on any platform, including platforms without dedicated Office 365 API SDKs.