We will be covering all these in great detail, but before that we suggest you to have a look at the topics to be covered:
Points to Ponder:
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What is NodeJS?
- Real-time applications like chat, news feeds, and online push notifications frequently employ Node, which helps design applications that need a persistent connection from the browser to the server.
- As Node.js conducts an I/O action, such as reading from the network, accessing a database, or using the filesystem, it will continue the operations when the response arrives rather than halting the thread and wasting CPU time waiting.
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Libraries in NodeJS
- To prevent affecting other modules or contaminating the global scope, Node.js provides a context for each module.
- With its straightforward design, npm aided in the growth of the Node.js ecosystem, and today the npm registry is home to over 1,000,000 open-source packages that are available for usage at no cost.
- This is one of the finest Node.js libraries.
- Making HTTP calls is advantageous when using the Request module.
- The easiest method for calling HTTP in a node is through a request.
- This request module is used by Js.
- One of the fundamental components of Node is middleware based on Js body parsing.
- Js packages that function as internal request-based bodies in the middleware before handlers that are available under the req.body attribute.
- Uploading files makes use of the Node.Js middleware Multer, which can handle both multipart and form data.
- No multipart forms will not be processed by Multer.
- One of the top Node.js libraries, Node JS Express, has established itself as the one with the adaptable, simple web framework for NodeJS.
- Use the npm install command to install Express.
- You merely need to adhere to the set of instructions for that.
- To create your application, you must use the Express executable.
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- Lexical Structure
- Arrow Functions
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Frameworks used in NodeJS
- Sapper is a framework for creating web applications of various shapes and sizes, with a lovely programming environment and adaptable filesystem-based routing. dispenses SSR and more!
- For creating outstanding web user experiences, Remix is a full-stack web framework.
- It was developed by the same team as Express and aspires to be even more straightforward and compact while drawing on years of experience.
- Incompatible adjustments have to be made without upsetting the existing community, hence the birth of the new project.
Companies using NodeJS
- Top businesses use Node.js to address a variety of production issues.
- Some of them concern platforms, while others concentrate on resource use.
- It is designed for quickly and flexibly constructing network applications.
- Due to the multiple advantages it offers, Node.js has been a great godsend for industry leaders like Uber and Netflix since its release.
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Time for Installation
Installing the Node.js libraries on the client machine is the first step in utilizing Node.js.
The procedures for downloading and installing Node.js in Windows are as follows:
- The first step is to download the Windows Node.js Installer.
Download the required binary files from the website:https://NodeJS.org/en/download/
- Running the installation is the next step.The installation will begin after you double-click the.msi file you downloaded.
The installation will start after you click the Run button on the opening screen.
- Next, continue the installation procedures.To proceed with the installation, select “Next” on the following display.
- All you have to do now is Agree to the terms and conditions by:Approve the license agreement and press the Next button on the screen.
We hope you have a basic understanding of NodeJS and the installation process by now, NOW let’s go creative and delve deep into NodeJS!
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