In-depth Guide to Javascript, Node JS, and Angular

In simple words, passport js is a middleware for express js framework. It allows developers to add various authentication strategies with little code.

When I first started working with passport js, it took me several days to fully understand the inner-workings of it. I went through the official documentation, searched for tutorials, looked in stack overflow for help, after doing all these extra work I was able to understand it. Read the complete article here to know passport js in-depth.

Promises in javascript is an important concept that is essential for a javascript developer to understand. If this concept is clear, the developer can utilize this in a variety of ways in their day-to-day lives.

There are a lot of articles, tutorials available on the web about promises. But, very few of them act as a comprehensive guide to make use of promises. Read this article here to know about promises in-depth.

Javascript callback functions; another important concept you must need to understand. Otherwise, you might face a lot of struggles for becoming a successful javascript developer. But I am sure that after reading this article thoroughly you will be able to overcome any obstacles you previously had with callbacks. Read the complete article here.

What is "this" object in javascript? This article will answer this question in depth with clear, easy to understand language. Read the complete article here to know what is "this" object.

This article will cover everything you need to know for adding oauth2 facebook login functionality to your node js application. Read the interesting article here to gain in-depth knowledge on implementing facebook login with oauth2.

This article discusses how you can actually integrate facebook login functionality with oauth2 in a practical way to your node js application. Read the article here to implement facebook login to your node js application.

Angular provides a lot of options to perform validations for the HTML form. To fulfill this need, we can use template-driven forms in angular. This article will walk you through each and every detail regarding the template-driven form validation approach in angular.

Let's start talking about what actually is angular forms first, then we will dive deeper into template-driven form. Click here to read the complete article.

Angular reactive forms allow us to programmatically apply validations to forms. This approach provides a lot of flexibility when dealing with complex forms.You will grasp in-depth knowledge about Angular reactive forms with an easy-to-follow step by step guide.