2022 - Step by Step JAVA

How to list directory files?

On December 19, 2022December 6, 2022 By admin

Node.JS also contains module that allows us to communicate with the file system. The FS module can be used to list files in directories, create new files in directories, stream files, video files, modify files permissions and etc. Here we have two ways to read the content of directory synchronously, […]

What is Require function & how to export custom module?

On December 6, 2022December 6, 2022 By admin

In Node.JS, Every JavaScript file is its own module and So far we have been loading module using the require function. What is Require function? The require function is the part of common JavaScript module. But it is only half part and the other half of the part is module.exports […]

What is React context good for & how to use?

On November 28, 2022November 26, 2022 By admin

Before diving in what is React context? Let’s first understand why do we need it with an example. Let’s consider a scenario where we have 6 components A,B,C,D,E & F. some are the child components please refer the below image for better understanding. Here A,B & C are first level […]

What and how to use Readline?

On October 22, 2022October 21, 2022 By admin

Readline is a core module of NodeJS that is available to us without having to install anything other than NodeJS. It can be used ask/read data of a terminal user. Suppose we are creating an application that would ask questions from a terminal user. It is an interface where we […]

What are and how to use objects?

On August 31, 2022August 30, 2022 By admin

What are objects? JavaScript is a prototype based object oriented Programming language. so basically we work with objects of these prototypes. Let me put it in simpler terms that these objects are similar to real world object. e.g. Book, so how can we recognize anything that it is book or […]