Node JS Vs React JS

What is Node JS?

JavaScript code can be run outside of a browser using the open-source, cross-platform runtime environment known as Node.js. The user must be aware of the fact that NodeJS actually is not a language developed for programming nor it is a framework. The majority of developers are perplexed and believe that it's a computer programming language or framework. For creating back-end applications like APIs for web apps or mobile apps, we frequently make use of Node.js.

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Features of Node.js:

As there are a lot of other languages used for programming, that also may be used to create back-end services, Node.JS's features make it very unique. They are

• It offers quick and highly scalable services, 
• It is simple to use for prototype and agile development.
• Because JavaScript is used everywhere, creating back-end services with Node.js is simple for JavaScript programmers.
• Consistent and clear source code.
• Large open-source library ecosystem.
• Its nature is non-blocking as well as asynchronous.

What is React JS?

It is a free JavaScript library that can be used for creating single-page user interfaces. It is adaptable, declarative, and effective, and it also enables the user to develop reusable UI components. React components are challenging to reuse, and it serves as a basis for single-page, interactive as well as complicated web projects. React.js's virtual DOM technique requires creating lengthy, inefficient code. Each component in the application is the in-charge of rendering a discrete chunk of reusable HTML. The ability to nest components within other components enables the construction of sophisticated applications from simple building blocks.

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React.js has the following features:

• Reusable codes in React components make them easy to operate and understand.
• JavaScript XML or JSX (JavaScript) is an HTML-like code grammar that is transformed into JavaScript calls in the React framework.
• Reusable React components have their own function and controls, which is beneficial when working on large projects.
• One-way data binding gives the program more control overall.
• The virtual DOM makes use of the ReactDOM package, which in theory/virtually depicts the user interface, stores it in memory, and synchronises with the actual DOM.
• Virtual components help DOM perform more quickly and smoothly.

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Comparison between NodeJS and ReactJS

Development:

Node.js was developed by Ryan Dahl, whereas React.js was developed by a Facebook employee named Jordan Walke. 

Type:

Node.js is an open framework and is used for creating dynamic web pages and programming programs.
A client-side library for achieving great performance in dynamic apps, the user can use ReactJS and it is open-sourced. 

Latest Version:

The latest version for Node.js is 12.9.0 released on 20 August 2019; where React.js’s latest version is 16.8.6  released on 6 May 2019.

Use cases:

Real-time data streaming is handled by Node.js.It is perfect for Websockets server as well as API server and the user can use it for streaming media and data from a lot of sources, and uploading files. 
Numerous connections are handled at once by Node.js. It is hence appropriate for API service. Microservices. Node.js is quick and simple. As a result, it is employed to create microservices, like an API gateway.

Popularity in the developer community:

Node.js has possibly 63,976 stars available on the GitHub website whereas React.js has 135,401 stars.

Hourly developer rate:

It is dependent on the data from Upwork. Node.js's hourly rate can change: 
Full Stack Programmer: $ 30-150 + Basic Back-end: $15–50

Whereas, for React.js: Hourly rates will differ as follows, per Upwork:

Basic Front-End: $15-$50; between $35-$100; Basic Back-End: $15-$50; Advanced Back-End: $35-$100; Full-Stack Developer: $30-$150.

Difference Between Node.js and React.js

Framework:

Node.js is Used for building the backend of a website whereas React.js is designed to make web application user interfaces.

Model View:

Mode.js supports software architecture patterns like Model-View-Controller (MVC). In React.js, the MVC architectural paradigm is not supported

Development tracking:

Node.js uses the v8 engine from Chrome and uses a non-blocking I/O paradigm along with event-driving, built in C++. Whereas, React.js uses Node.js to build and optimise JavaScript code, and creating UI Test cases is easy.

Library:

Node.js has a very extensive ecosystem used for open-source libraries and JavaScript execution. On the other hand, react.js possesses an open-source library that is supported by using  Facebook.

Programming Languages:

Node.js only supports JavaScrip whereas React supports both JavaScript and JSX. 

DOM Model:

There is no concept of DOM in Node.js whereas React has a DOM mode.

Adaptability for Users:

Node.js is very simple and easy for users to learn whereas React is a bit complicated. 

Scalability:

Node.js is very scalable whereas scalability in React is a bit challenging. 

Architecture:

Node.js has a very simple architecture whereas React’s architecture is complex

Microservices:

Node.js is a lightweight language, hence it is very easy to write microservices. React’s microservices are tough to write.

Dynamicity:  

Node.js can easily handle single operations whereas React’s major design can handle complex operations.

Support:

Node.js Java -written code is simple to translate into machine code. In React, both iOS and Android are supported

Caching:

Node.js is designed to cache individual modules in the given run time, whereas in React,DOM as well as code reusability are focused.

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Key Features of React.js and Node JS

Node.js

• Our web application runs more quickly since the developers may use NodeJS to conduct non-blocking tasks.
• The NodeJS framework is open-source and cost-free.
• Developers can create a vast quantity of servers using NodeJS, including HTTP, TCP, DNS, and others. NodeJS has a large number of built-in APIs.
• Unit testing is supported in NodeJS under the name Jasmine for swiftly testing the ready code.
• Applications created here, can be designed both horizontally as well as vertically for enhancing performance.
• In NodeJS, the usual ECMAScript could be utilised without any issues.
• By selecting the NodeJS version, we are in command of determining the ECMAScript version to use, so the user doesn't need to depend on other users for updating their browsers.

React.js

• The virtualized DOM improves or enhances app speed by updating object states and props without the page being reloaded.
• Ensuring that the programmers have accessibility to a debugger and high-performance ReactJS as well as debugging tools.
• ReactJS implements a vertical or downhill data flow, which ensures code stability and higher application performance.
• The same ReactJS basic elements can be used to create rich UI native apps, which are accessible with both the iOS and Android mobile operating systems.

Pros and cons of React.js and Node Js

Pros of React.js

• It is optimised for search engines. In contrast to earlier JavaScript frameworks, ReactJS displays the code from the client to a browser like a conventional web page resulting in longer communications. Google not being able to read your web app due to its JavaScript-heavy architecture.
• It is more successful. In contrast to the conventional full-refresh strategy, just a piece of the website page is retrieved by the DOM. React.js takes charge of maintaining the DOM.
• Comparatively, it refreshes more quickly.
• There is not much code to write.

Cons of React.js

• Complex learning curve
• Flux architecture uses JSX, a JavaScript and HTML mix and is a disappointingly complicated view layer.
• The user might want to make some modifications as it's a Javascript framework instead of a platform he wishes will use.

Pros of Node.js

• It has integrated package management whenever it ships.
• When you consider the thousands of package components that make up the Node.js ecosystem, this gain becomes noticeably very important.
• It would be extremely time-efficient to have a specialised CLI that one could use to find and deploy all of the apps you'll need when building your app.
• It works with server-side proxies. As a result, your web service will be able to handle several, concurrent connections.
• It manages enormous data streams.
• It is incredibly extendable and can use over a thousand service packages.

Cons of Node.js

• Presence of Nested callbacks.
• It is insufficiently capable of handling CPU-intensive operations, and new APIs are continually being published, so you must be on the lookout for adjustments that aren't totally compatible.
• It only works well with web applications.
• You are only required to identify problems with the database engine.

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Conclusion

Node.js is a great framework to utilise when developing a backend web app, like an online streaming platform. React.js is indeed the route to go if the user wants to create a project with buttons, dynamic inputs, as well as other changing states.The user can use both frameworks for a single project. The front end can be built using React.js, while the back end can be built using the Node.js framework. The ideal framework integration is Netflix. There is a sizable and active community for both frameworks. Your wants and requirements will determine which of the two is best for the user.

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