Topic

NodeJS

A collection of 9 issues

Features of Node.js 21: The Newest Version!

Node.js has launched Node JS 21, the most recent version in this line of new releases. They made it available on the 17th of October, 2023. The new update of NodeJS brings several upgrades inside and some features for users too, like adding a reliable fetch API. Also, Node.

Using Environment Variables In Node.js 20.6.0

With the current release of version 20.6.0, Node.js now has integrated aid for .env files. You can now load environment variables from a .env file into process.env in your Node.js utility completely dependency-unfastened. Loading an .env file is now as easy as: node --env-file .env

Web scraper using Puppeteer - How to login to a website?

Web scrapers have a lot of utility if you wish to get extract some data from other websites. Some people use it for copying the whole data and others for some useful data extraction from certain websites. One of the most common use cases is to get leads data for

Puppeteer - How to export/print HTML to a PDF file in NodeJS?

Puppeteer has become pretty popular for doing any kind of automation related to Chrome web. It is a NodeJS library to give a higher level of control over Headless Chrome. Chrome has done a huge favor by allowing it to run in headless mode else people used to do that

Serving Static Files Could Be Slowing Down Your NodeJS Express Server

Express is a great web server and I have used it extensively in many of our projects. It is fast, scalable and pretty powerful. Express rocks. Every now and then we find something interesting to learn in Express. Mostly a quirk in how we may be using it and how

How To Perform Asynchronous Calls in Parallel, Serially or with Throttling in NodeJS using Async

If you are familiar with the concept of asynchronous programming, you must have come across scenarios where you need to loop over asynchronous calls. For example, you need to get email ids of all users related to a project with ID Proj_ID for sending a report. user1 --> email1

Puppeteer - How to check visibility of an HTML element?

In case you were using Puppeteer and rand into this error Node is either not visible or not an HTMLelement This blog post might be able to help you fix it. It basically means the element is already available on the page but is not visible yet or in CSS,

Async/Await in NodeJs Explained

Async/await is the latest format for writing asynchronous code. If you are a Node JS programmer, you probably have heard a lot about async/await. It is built over promises for simplifying the code structure and also to make and behave more like the synchronous code. If you are

How to Write an Automated Test for Your Website Using Puppeteer?

Chrome has given us immense power by allowing us to run it headless. A programmable browser lends us a lot of control to automate our UI tests now. Puppeteer is a Node library which gives a higher level API to control headless Chrome. We can automate tasks like opening a