JavaScript is a scripting and programming language that allows you to implement complex things on web pages. It has evolved from a simple client-side scripting language into an incredibly powerful programming language that can assist in the creation of server-side applications in addition to the traditional client-side applications.  This description will be required to analyze the features of Angular and NodeJS as well as their benefits. 

What is HTTP

Hyper text transfer protocol is an application protocol which formed the foundation for the World Wide Web. It is a protocol to exchange hypertext. It is also known as stateless protocol as each command gets executed independently without the previous command knowledge. This simplifies the server design as there is no need for dynamic server allocation. If a mid-transaction failure occurs, none of the system parts become responsible for cleaning the present state of the server.

Drawbacks of HTTP