nodejs


The Future of JavaScript Doesn't Exist?

A few days ago I was talking with a friend and he said to me that JavaScript is an old Technology that the web developers only use it because ...

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Full-Stack Web Developer: A guide to learn

A full-stack development professional is the one who is having sound technical knowledge of each and every aspect of development — front end, back ...

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JavaScript Promises, Callbacks, and Async/Await

ES6 came with many new features, but one of the best features was the official introduction of Promises. Promises allow you to write clean non-callback-centric code without ever having to worry about callback hell. Even if you never write your own promise, knowing how they work is incredibly important, since many ...

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Creating A Chatbot Using Socket.io, API.AI and Web Speech API

In the world full of Siri, Cortana & Alexa, have you ever wondered you can create a new friend of yours. Well it might not be that intelligent but it not worthless to try creating something new. With the current state of web apps, we can rely on various UI elements to interact with users. With the Web Speech ...

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Node Authentication using Passport.js

While building any web app people get confused or feel difficulty in authentication process. Creating a registration form and sign in process is a hectic process if we don't follow proper method.


In this tutorial we will see how we can register and login using ...

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How to code?

Every programming problem involves some kind of algorithm. Algorithm is a process or set of steps to accomplish a certain tasks or a step by step way to solve a problem. There are about 700 programming languages. Here is a

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Twitter bot with Node.js and Deploy to Heroku

Most of us are familiar with Twitter. But we are not much familiar that we can automate the activities like status posting,retweeting,liking,commenting and so on. So,here I'll show you how we can automate some of the activities like getting the twitter data,posting the status and retweeting with

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CLI tool with Node.js

Node.js is popularly though of as "JavaScript on the backend", but that's a very limited and inaccurate description. Node.js is much more than that; it is a general purpose programming platform which can be used for developing all sorts of programs - from web servers, to CMS, to 

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Node.js Interview Prep Questions

Do you have a Node.js interview coming up?

You should prepare for a wide range of potential questions regarding Node.js directly and anything related to JavaScript or general programming architecture topics.

To help you out with this, we've created a huge list of questions and answers to help you prepare ...

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An overview of Frontend and Backend interaction

I’ve seen many tutorials on Node and never really understood how it all works… like how frontend interacts with the backend. So, I’ve decided that tutorials aren't gonna make me understand much and the only way to understand is by ...

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Top Programming Languages To Learn

Programming languages and computer coding have made life simpler for us. Whether it’s automobiles, banks, home appliances, or hospitals, every aspect of our lives depends on codes. No wonder, coding is one of the core skills required by most well-paying jobs today. Coding skills are especially of value in the IT, ...

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Why Node.js?

Node.js technology is ten years old. It is an open source JavaScript runtime environment which allows building JavaScript programs for the server-side. It uses V8 JavaScript Engine, an important integration that once increased Node popularity and upgraded it to the next level very quickly. V8 engine which powers ...

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Error Handling in Javascript

JavaScript is a lightweight, interpreted, object-oriented language with first-class functions, and is best known as the scripting language for Web pages, but it's used in many non-browser environments as well. It is a prototype-based, multi-paradigm scripting language that is dynamic, and supports object-oriented, ...

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Deno:Intro

After almost two years, the wait is nearly over. The API has been frozen, and the countdown to Deno 1.0, officially scheduled for release on May 13, has begun.Due to its famous creator and forward-thinking vision, Deno is sure to be the most exciting and controversial JavaScript-related release in recent ...

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Github Repos Every Web Developer Should follow

Learning is a process.It takes time and good materials helps a lot in the learning process. Being a web developer there are many resources to follow up and learn. Till date learning web development has become a popular and trending path. Googling and Youtube surfing from good content creators has ease the process to ...

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Telegram bot with Node.js and Deploy to Heroku

Telegram is a messaging app with a focus on speed and security, it’s super-fast, simple and free. You can use Telegram on all your devices at the same time — your messages sync seamlessly across any number of your phones, tablets or computers.Telegram Bots are accounts operated by software – not people – and they'll ...

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A Roadmap for Web Developers

These days there are so many career choices to take in the programmer world. But one of the most successful and important ones is Web Development . There are so many companies out there that are on the constant look for web developers and designers. And the good thing is that these companies and businesses are ...

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Dockerizing a Nodejs web app

Docker is an open platform for developing, shipping, and running applications. Docker enables you to separate your applications from your infrastructure so you can deliver software quickly. With Docker, you can manage your infrastructure in the same ways you manage your applications. By taking advantage of ...

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How to boost Node.js Development Process?

Node.js technology is ten years old. It is an open source JavaScript runtime environment which allows building JavaScript programs for the server-side. It uses V8 JavaScript Engine, an important integration that once increased Node popularity and upgraded it to the next level very quickly. V8 engine which powers ...

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Node.js for Your Next Web App Project

Wondering what's all the hype behind the success of Node.js development for building Applications? There are several reasons. It simplifies web application development in every way and gives a lot of options to Node.js developers. It’s an ideal choice for companies looking to commit to a real-time application and ...

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Technologies for Backend Development in 2021

Technology keeps improving, and websites, too. There are more tools and options available for companies to develop great websites. And backend developers, which are responsible for the server-side of the platform, have a rich amount of tools that help them improve and offer the user the best experience possible. ...

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Linked List with JavaScript

A linked list is a data structure composed of nodes. Each node has at least 2 components, the data that it holds and a reference to the next node in the list (called a pointer). The first node in a linked list is called the head, the last node in a linked list is called the tail. There are several ...

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Download Website Source Code with Nodejs

In this tutorial, we will be building a simple node.js app that will download website source code files including HTML, CSS, js, and images of the website from URL in node.js. For this, we will be using

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Maintaining Node.js Application

Node.js is the JavaScript runtime environment that primarily is used to develop cross-platform applications. Have you ever had the need to develop an application that can run smoothly on the different operating systems? The application industry is growing at a faster pace, along with this, the use of ...

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Scraping with Puppeteer,Nodejs and MongoDB to create a Job Board

Puppeteer is a Node.js library maintained by Chrome's development team from Google. Puppeteer provides a high-level API to control headless Chrome or Chromium or interact with the DevTools protocol. In this post, we’re going to create a “Job Board” that aggregates remote jobs for JavaScript developers with Node.js, ...

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JavaScript One-Liners

There are many syntaxes in the javascript world. Writing code gets hectic when it gets longer. What if we can reduce the code with one-liners, that would be great, isn't it? In this post, I'll list out the one-liners which will ease your coding style.

DOM

Check if an element is focused

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Scrape local business from google maps with Puppeteer

Scraping Google maps is a quite lot of work. It is hectic I know. But I have figured out a solution for that. In this article, we will be scraping the local business data from google maps with our favorite scraping framework puppeteer. To know more about puppeteers you can check

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Nodejs Popularity in 2022

Trends in the information technology sector are constantly changing, and something that has popularity now can become inefficient in the next year. You may wonder whether Node.js is still popular or not. Well, Node.js is quite relevant and popular. If you are a developer who provides NodeJS development services, you ...

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How to Become a Backend Developer in 2022

Things you should know people who work as backend developers are known as the best problem solvers, a position where a developer in charge of designing software from the server-side deals with logic and databases using special programming languages. The programming languages ​​used as examples are PHP, Python, ...

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JavaScript : Behind the scenes

Almost everyone has already heard of the V8 Engine as a concept, and most people know that JavaScript is single-threaded or that it is using a callback queue.

In this post, we’ll go through all these concepts in detail and explain how JavaScript actually runs. By knowing these details, you’ll be able to write ...

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Web Scraping With JavaScript and Puppeteer

To analyze and deliver data to the user, most of our web apps require data. Data can be found in a variety of places, including databases and APIs.However, even if a website does not have a public API, we can still acquire data from it. Web scraping is the term for this procedure, and we'll look at it in this post. ...

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A Walkthrough to Hashing, Salting , and Verifying Passwords in NodeJS, Python, Golang, and Java

Password storage can be tricky because of the possibility of them being stolen. To make matters worse, users frequently repeat passwords across several services, which increases the importance of securely storing them. The idea of securely storing passwords is to prevent hackers from being able to figure out any ...

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Scraping Table Data into JSON File with Puppeteer

This tutorial will look at utilizing Puppeteer to automate Table Data Scraping into JSON. An open-source Node library called Puppeteer offers a high-level API for managing browsers based on Chrome or Chromium via the DevTools Protocol. With Puppeteer, you can automate any task that you can carry out using a Chrome ...

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Scraping websites with various scraper frameworks with examples

Web scraping can be a powerful tool for extracting data from websites, but it's important to follow ethical and legal guidelines when doing so. In this section, we'll look at examples of using several popular web scraping frameworks.

  1. BeautifulSoup (Python): BeautifulSoup is a popular Python library for ...
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Scraping Tables with various scraper frameworks with examples

There are many different scraping frameworks that can be used to scrape tables from websites. Here are a few popular ones with examples:

  1. Beautiful Soup (Python): Beautiful Soup is a Python library that is used for web scraping purposes to pull the data out of HTML and XML ...
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