Outside Scopes and contexts closures are one of the most vital features in JavaScript language. Knowing how to implement closure is crucial to a successful and well written JavaScript code. On this chapter I will guide you on how to easy understand the concept of closures and how to implement it in the wright way. […]

The goal of this Step by step tutorial is to get you started with developing basic to advanced applications, understanding their fundamental concepts and strictly following the best practices. The technology stack that we’ll be using will be node (node.js) + express (Framework) + mongoDB (Database) all of which are popular, fast and highly scalable. […]