'Angular Frontend to authenticate to Microsoft over an IdentityServer3

I am trying to build a Login Page in Angular to authenticate with my Microsoft Account. The fact that IdentityServer4 might be chargeable in the future let me lead to use IdentityServer3. I have searched for an Solution but i have not been able to make this work. Is it possible and could anyone give me an example?



Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source