SharePoint online CRUD Operation using pnp-JS-Core
The Patterns and Practices JavaScript Core Library is an open source project which helps the developers to simplify the code instead of writing multiple lines of code for the common SharePoint operations

Floating panel for angular js
JSPanel is one of the popular jQuery plugin for creating dynamic re-sizeable panels. In this article we can see how to create a Angualr Js directive for Js Panel so that it can be used in an application in Angular way