Features of React.js: A Beginner’s Guide

Features of React.js

React is a JavaScript package used to create front-end user interfaces. One of the most used JavaScript libraries, it is an open-source project that was first developed by Facebook and has more than 180,000 stars on Github.

React aims to make it possible for developers to swiftly develop their interfaces.

We’ll begin by presenting JavaScript libraries in order to fully explain React.js. We’ll then examine React’s main features and the problems it was intended to solve in order to understand more about it.

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Components are among these traits that are crucial. These are unique, reusable characteristics that mimic components from HTML. React organises how data is handled and saved in your application using state and props.

What is React JS?

Facebook developed React, a front-end JavaScript toolkit for creating reusable UI components. The development of interactive user interfaces is aided by React. React will update and render the relevant components whenever your data changes if you create simple views for each state of your project. React may be used anywhere and is equivalent to write-once code. New features can also be developed using already existing code.

Features of React


Any web application’s core components are HTML (Hypertext Markup Language) pages. A web page’s content and formatting are organised using the HTML formatting language. Browsers build something known as a Document Object Model while reading HTML (DOM). Each node in the DOM’s representation of an HTML document is an HTML element.

These days, web content is dynamic. It varies based on the user’s actions, tastes, and interests. The ability to change the DOM and add dynamic content is provided by JavaScript.

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Virtual DOM

The DOM has been discussed, but what is the virtual DOM? Let’s first talk about why we might desire a virtual DOM to get there.

You now have a website. HTML elements make up its DOM. Let’s imagine your website is well-known and has a lot of dynamic content, which results in a lot of user interaction.

The entire DOM needs to reload in order to update the DOM without requiring the user to refresh the page to view changes. Although extremely wasteful, the user experience would be poor without it.

the Virtual DOM, please. React will construct a Virtual DOM, often known as a clone of the DOM, if the page contains JSX elements.

What are React components?

Components are a crucial idea of React.js. The building pieces of a React application are called components. The user interface is divided into reusable sections of code by developers. You might include a “Search Bar” or a “Shop Item” component, for instance.

For instance, each product has numerous distinct item pages on an e-commerce website. Each item has a picture, a price, and a colour. You can create one item component and utilise it rather than creating each individual item page.

Each component offers a unique set of features and capabilities (i.e. your price, color, etc.). To define values, data is passed from parent to child component. Your product list is the parent component in this scenario. Your “App” component is your highest level component.

Final Words

Overall, there are more advantages to utilizing React.js for online applications than disadvantages. It’s not surprising that React.js is so well-liked. It is an elite JavaScript library that helps hasten the development of a web application. Web interfaces can be easily created by React software engineers using pre-written code. Additionally, any component can be used again.

The key advantages of React.js include the JSX syntax, virtual DOM, reusable components, and quick HTML rendering. The library for React.js is equally simple to learn. Using pre-built pieces, software professionals may write code quickly and debug it with ease. Finally, a sizable community can assist you in finding a solution to any problem.


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