(This book first briefly introduces node JS, and then explain node with various examples JS, and then use case teaching to describe how to use node JS for web development, and then discuss some advanced nodes, Node. JS topic, and finally shows how to add node, JS applications are deployed to the production environment.This book is for node JS interested but no basic readers. It can also be used as a node that has been known JS, has some experience in front and back-end web development, and is a reference for developers who want to try new technologies.)