Introduction to React JS
React JS is a JavaScript library that helps build user interfaces (Goyal, Shrivastava, & Pandey, 2019). It uses for changing the data for the web applications. Accordingly, it makes the process of building the user interfaces in a simpler and reusable manner. Moreover, React JS features helps the developers to make use of the user interface and update the changes whenever there is a necessity. Also, it has various libraries, and tools, and continuous improvements. So, the purpose of the report is to give the component-based architecture, and it discusses the updates and developments and understanding the various features and usage of react has become a more choice in modern web development process and it has great influence in the modern technologies.
Overview and Understanding of React JS
The JavaScript library, in the development of user interfaces mainly for single-page applications is introduced and developed by Facebook. Certainly, the view layer which has a model view controller in the architecture has the interactive display part. Specifically, component is a piece of code that has code maintainability (Herbert, 2023). The class-based components and functional-based components uses in creating the user Interfaces. Earlier, In 2010 Jordan Walker, created a prototype of a software engineer working in Facebook. “FaxJS” is the prototype which is from XHP and components of HTML.
Earlier, there is an idea to develop the same library for JavaScript that builds more complex user interfaces. Later in 2011, the deployment of react JS on Facebook is done. Then on Instagram, the deployment is done in 2012. Later In 2013, it made public (Anderson, 2023). Finally in 2015, react-router help in developing single-page applications and redux created by Andrew Clarke and Dan Abramov which helped in the management of large react applications.
The core features of React JS
React JS Features
A: component-based architecture
In React JS features, the component-based architecture uses components for the functionalities such as stateless for depending on properties and stateful for managing the states. The architecture uses for reusability which helps the developers to update the user interfaces with simpler processes. Additionally, It helps in the quick enabling of bug fixes and features updated. Also, It also improves the scalability of the components as large applications develops. So, the management would be easier with the usage of components. The stateless components depend upon external inputs. Subsequently, the stateful components make use of back-end systems.
B: Virtual DOM
The data object model has different modules and code execution. The actual Dom uses the user interface. Whenever there are changes with new updates will be done in the virtual data object model first, which is in memory representation. Later it updates in the real data object model. So, this minimizes the unnecessary manipulations. Whereas, the virtual DOM is the exact copy of the real DOM. The new changes are identified by react and it syncs with the real DOM with the new virtual DOM (Srivastava, Laxmi, Singh, Pratima, & Kirti, 2022). The main advantages are it enhances the performance and minimizes the changes with faster updates. Also, it carries multiple updates at once. Also, it speeds up the process.
C: Unidirectional data flow
Generally, it is a single or one-directional data flow in which the data is transferred from the parent to the child components. The properties from parent components holds by the child component. It is not reversible. So, to manages own data, state is used. Props are taken from the parent components and the behaviors are used. Certainly, it helps in the easy management of debugging. Also, helps with managing the complexity and clear separation among the components. Also, it makes the program to control the errors. The continuation for the react state is known to be redux which helps in managing the data flow for the applications.
D: JSX
JavaScript XML is an extension to JavaScript syntax, which is similar to XML code like elements and components. The JSX tags such as has tag names, attributes, and children. JSX makes the code simpler (Chavan, 2021). Integration of HTML elements handles the expressions. Also, it increases the readability which makes easy to read and understand. Also, it allows to combine JavaScript and HTML code which handles with logic. Additionally, it supports various elements such as Babel which compiles into standard JavaScript and modern features such as ES6.
Example Code:
Import React from ‘react’;
Const MyComponent = ( ) => {
Return (
<div>
<h1>Hello world</h1>
<p>Example of JSX</p>
</div>
);
{;
Export default MyComponent;
E: Hooks
Generally, the hooks are easy to understand and help in writing straightforward code which are in the functional components. Also, It allows to make use of logic again across various components. In utilizing React functionalities like state and life cycle functions react helps to improve the performance. The functional components are managed by “useState” (AlmaBetter, 2023). The fetching of data is managed by “useEffect”. Additionally, Consumption of values is seen by “useContext”.
Example 1: “useState”
Import React, {useState} from ‘react’;
Function Example () {
Const [count, setCount] = useState(0);
return (
<div>
<p>She dragged{count} times</p>
<button onClick = {( ) => setCount(count + 1)}>
Click me
</button>
</div>
);
}
Example 2: “createContext”
Import React, {createContext, useContext} from ‘react’;
Const MyContext = createContext ();
Function Parent () {
Return (
<MyContext. Provider value={{ message: ‘Hello, world!’ }}>
<Child/>
</MyContext. Provider>
);
}
Advantages of React JS
React JS helps in the effortless maintenance of architecture. The code maintains and the consumption will take less time. It also handles more user data. Moreover, it easily make applications by boosting productivity. It has extensions where developers makes use of those for the development designing and maintenance of the application. Additionally, the redux helps store and manage the various states of complex applications by providing simpler usage. It makes testing easy. The components are used to build the applications. It handles large-scale applications by making use of complex UIs in simpler optimizations.
Real-world examples
React JS is introduced by Facebook it manages the user interface. For example, Instagram uses react JS for improving the web interfaces to build the responses in the applications. The real-time application updates handles through interactions (Kruglyak, 2020). Airbnb uses React JS to manage the booking process and also the usage of various filters. Netflix also makes use of managing the large application and it also makes use of virtual DOM. Uber uses in the booking of rides and user engagement process the real-time updates handles through updates. Subsequently, many websites are using for handling the interactions and social media platforms make use of Virtual Dom which ensures modular development features. It helps with enhanced user experience, cross-platform development, communication, and scalability.
Top companies using React JS
Challenges
Understanding advanced features is challenging such as writing taxes for JSX and HTML. The hooks are more difficult to grasp for developers who are working on programming-based components. The state management heads with great understanding of actions. There is manipulations in the data which creates confusion. So, developers should make use of proper coding techniques. Certainly, the applications are larger make sure necessary code deploys. So, It is difficult to get the code from search engine optimization which causes delays in the results of the search. Although many updates are going on with the latest changes so new patterns by the developers.
Conclusion
In summary, React JS has many advantages and key features such as component-based architecture, virtual directional flow, and JSX. Also, it works as a powerful tool for user interfaces. This promotes code reusability and it updates the necessary parts of the user interface with a smoother experience. It enhances the readability of the code and easy for the developers to understand. Reacts major companies such as Facebook, Instagram, and Netflix are emerging with large-scale applications and it is using tools for redux and react routers for building the frameworks. Finally, with regular updates and trends, there is a growth in performance optimization. Furthermore, react JS continue for building web applications.
References
AlmaBetter. (2023, Oct 18). React JS Hooks: useState, useEffect, useRef and Custom Hooks. Retrieved from Almabetter: https://www.almabetter.com/bytes/tutorials/reactjs/reactjs-hooks
Anderson, L. (2023, Sep 24). The History of React.js: A Story of Innovation and Community. Retrieved from Linkedin: https://www.linkedin.com/pulse/history-reactjs-story-innovation-community-l-anderson
Chavan, Y. (2021, Feb 01). JSX in React – Explained with Examples. Retrieved from Freecodecamp: https://www.freecodecamp.org/news/jsx-in-react-introduction/
Goyal, K., Shrivastava, V., & Pandey, A. (2019). Use of React.js in Modern Web Development and its Comparative. International Journal of Research Publication and Reviews, 5(3), 117-126. Retrieved from https://ijrpr.com/uploads/V5ISSUE3/IJRPR23413.pdf
Herbert, D. (2023, Nov 13). What is React.js? Uses, Examples, & More. Retrieved from Hubspot: https://blog.hubspot.com/website/react-js
Kruglyak, O. (2020, June 19). Why Use React.JS: Examples of Facebook, Netflix and Others. Retrieved from Triare: https://triare.net/insights/why-use-react-js-examples-of-facebook-netflix-and-others/
Srivastava, A. K., Laxmi, V., Singh, P., Pratima, K., & Kirti, V. (2022). React JS (Open Source JavaScript Library). IJIRT, 8(9), 342-346. Retrieved from https://ijirt.org/publishedpaper/IJIRT153854_PAPER.pdf
Keywords
React JS features, Virtual DOM, JSX, libraries.
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