Table of contents
1.
Introduction
2.
Advantages of ReactJS
2.1.
Reusable Components
2.2.
Easy Creation of the Dynamic Web Applications
2.3.
The Support of Handy Tools
2.4.
Easy to understand and easy to use
2.5.
SEO Friendly
2.6.
Having JavaScript Library
2.7.
The Benefit of Having JavaScript Library
2.8.
Scope for Testing the Codes
3.
Disadvantages of React JS
3.1.
Poor Documentation
3.2.
View Part
3.3.
The high pace of development
3.4.
Problems with SEO
3.5.
JSX as a barrier
4.
Summary
5.
Frequently Asked Questions
5.1.
Why ReactJS is efficient?
5.2.
What is ReactJS best for?
5.3.
What are the features of React? 
5.4.
Why can’t browsers read JSX?
6.
Conclusion
Last Updated: Sep 9, 2024
Medium

Advantages and Disadvantages of React JS

Author ANJU JAISWAL
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Introduction

ReactJS is one of the most popular libraries for building user interfaces, surpassing other JavaScript frameworks like Angular and Vue in developer preference. Known for its efficiency, React simplifies the creation of visually appealing and high-performing web applications with minimal coding effort. Its main purpose is to build fast and dynamic UIs, making it a preferred choice among developers. This article highlights some of the key advantages and disadvantages of using ReactJS.                             

Advantages and Disadvantages of React JS

Also See, Dropdown in React JS, Hooks in React JS

Advantages of ReactJS

Reusable Components

A multi-component application is what a ReactJS application is called. Each ReactJS component is reusable i.e a big advantage of ReactJS and responsible for producing a short, reusable piece of HTML code. Its components, which are at the heart of all React applications, can also be nested. This stacking of components allows sophisticated applications to be constructed from simple building blocks.

Easy Creation of the Dynamic Web Applications

In contrast to the complex coding of a dynamic web application, React JS requires less coding, delivers more functionality, and supports the creation of machine-readable codes.

The Support of Handy Tools

React JS has also grown in popularity due to being a valuable tool. These technologies make the developers' jobs more accessible and more understandable. The React Developer Tools are dev extensions for Chrome and Firefox that let you analyze React component hierarchies in the virtual DOM. You can also select specific components and inspect and update their current properties and state.

Easy to understand and easy to use

Developers may quickly learn and comprehend React Js thanks to plenty of documentation, tutorials, and training tools. It's easy to use, especially for people familiar with Javascript i.e one of the big advantages of ReactJS.

SEO Friendly

ReactJS applications can run on the server, making navigation on various search engines easy and act as one of the advantages of ReactJS. The virtual DOM renders and returns to the browser as a regular web page.

Having JavaScript Library

ReactJS offers a dynamic JavaScript library, thus providing more flexibility to the developers and working as an advantages of ReactJs.

The Benefit of Having JavaScript Library

Today, ReactJS is chosen by most web developers. It is because it offers a rich JavaScript library. The JavaScript library provides more flexibility for web developers to choose the way they want.

Scope for Testing the Codes

ReactJS applications are elementary to test. It offers a scope where the developer can test and debug their codes with the help of native tools.

Disadvantages of React JS

Poor Documentation

It is a con that is common for constantly updating technologies. React technologies are updating and accelerating so fast that there is no time to make proper documentation. To overcome this, developers write instructions independently with the evolving of new releases and tools in their current projects.

View Part

ReactJS only covers the UI Layers of the app, and thus there is always a need to choose some other technologies for other development.

The high pace of development

It results in continuous and fast environmental changes, making it hard to adapt to all the  changes. Thus the developers' skills must continually be updated along with the changes.

Problems with SEO

Yes, we've included SEO in the advantages of ReactJS. So, why is it in the cons? Because It isn't suitable for pages that display frequently changing data.

  • Indexing can be rendered impossible by a single typo in JavaScript code.
  • Client-side rendering is a problem since Google bots either don't get any material or just get a little amount of content that they can't effectively index.
  • The maximum number of pages that search engine bots can crawl in a given amount of time is known as a crawling budget (usually five seconds for one script).
  • In terms of SEO, SPAs have a big disadvantage. When the page is already loaded, such web apps can provide content. When a bot crawls a page that hasn't yet loaded the content, the bot will see an empty page. A large portion of the site will not be indexed. As a result, your site will be ranked substantially lower in search results.

JSX as a barrier

ReactJS uses JSX. It's a syntax extension that allows HTML with JavaScript to be mixed. Although this method has advantages, some development community members regard JSX as a barrier, particularly for inexperienced developers. Developers lament the difficulty of the learning curve.

Summary

Here is the text extracted from the image:

Advantages Disadvantages
Reusable Components:- Each ReactJS component is reusable. JSX as a barrier:- HTML mixed with JavaScript can be a barrier.
The Benefit of Having a JavaScript Library:- It provides more flexibility to developers. Poor Documentation:- Due to fast development there is no proper documentation.
The Support of Handy Tools:- It has some very important tools such as React Sight, Reactide. View Part:- It covers only the UI layer so there is a need for other platforms.
SEO Friendly:- It helps in the better ranking of web pages. Problems with SEO:- It's because Google used to have issues indexing client-side rendered websites.

Frequently Asked Questions

Why ReactJS is efficient?

ReactJS is efficient because of its virtual DOM, which minimizes direct DOM manipulations. It updates only the necessary parts of the interface, improving performance and rendering speed, especially for dynamic web applications.

What is ReactJS best for?

ReactJS is best for building fast, scalable, and interactive user interfaces, especially for single-page applications. It excels in creating reusable components, which makes development more organized and efficient in complex web applications.

What are the features of React? 

Some of React's essential features are as follows: The virtual DOM is used instead of the real DOM, It uses server-side rendering is used. It also adheres to data binding or unidirectional data flow.

Why can’t browsers read JSX?

Browsers can read-only JavaScript objects. However, JSX is not an ordinary JavaScript object. To enable JSX to be read by a browser, we must first convert the JSX file into a JavaScript object using JSX transformers like Babel and then deliver it to the browser.

Conclusion

In this blog we have discussed all the aspects of react, why it is the most extensively utilized development library. It even outperforms rival JavaScript frameworks like Angular or Vue in terms of developer popularity. We have discussed its advantages of reactjs and disadvantages of reactjs in detail.

Recommended Readings:

 

You can also consider our React Js Course to give your career an edge over others.

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