Joi module is a popular module for data validation. This module validates the data based on schemas. There are various functions like optional(), required(), min(), max(), etc which make it easy to use and a user-friendly module for validating the data....

EJS is a simple templating language that lets you generate HTML markup with plain JavaScript. It is possible to access JS variable in .ejs file....

The following article covers how to communicate JSON data between Python and Node.js. Suppose we are working with the Node.js application, and we want to make use of a specific library that is only available in python or vice versa. We should be able to share the results from one language to another and to achieve it, we will use the JSON as it is language independent....

Node is based on an event-driven non-blocking I/O model. This article discusses what does Blocking and Non-Blocking in Node means....

When developing applications, one of the critical aspects of user authentication is ensuring that passwords are stored securely. Plain text storage of passwords is a significant security risk. Instead, passwords should be encrypted using strong hashing algorithms. In Node.js, one of the popular modules for this purpose is bcryptjs....

Morgan is a popular HTTP request logger middleware for Node.js. It simplifies the process of logging HTTP requests in a Node.js application by automatically generating logs for incoming requests. Morgan provides various logging formats and options, allowing developers to customize the logging output according to their requirements....

Node.js enables the execution of JavaScript code outside a web browser. It is not a framework or a programming language, but rather a backend JavaScript runtime environment that allows scripts to be executed outside the browser. You can download Node.js from the web by visiting the link “Download Node” and downloading the latest version onto your machine. In this article, we will discuss how to open Node.js using a command prompt....

In this article, we will be working with forms using ExpressJS in NodeJS....

In this article, we will learn how to deploy a machine learning model using NodeJS. While doing so we will make a simple handwritten digit recognizer using NodeJS and tensorflow.js....

In this article, we will learn how to build an online code compiler using React.js as frontend and Express.js as backend. Users will be able to write C, C++, Python, and Java code with proper syntax highlighting as well as compile and execute it online. The main objective of building an online compiler is to facilitate any user such that programs of any language can be compiled and run without downloading any IDE (Integrated Development Environment) or compiler....

The crypto.randomUUID() is  an inbuilt application programming interface of class Crypto within crypto module which is used to generate a random RFC 4122 Version 4 UUID....

Connect-flash module for Node.js allows the developers to send a message whenever a user is redirecting to a specified web-page. For example, whenever, a user successfully logged in to his/her account, a message is flashed(displayed) indicating his/her success in the authentication.Prerequisites Before starting with the application, you must have the following:...