React.js is an open-source JavaScript package that is used to create single-page application user interfaces. Facebook created and managed ReactJS and eventually utilized it in major products like WhatsApp and Instagram.

In web and mobile apps, react.js is used to manage the view layer. We can also make reusable UI components with React. 

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The primary goal of React.js is to create User Interfaces (UI) that increase app speed. It makes use of virtual DOM (JavaScript object), which increases the app's performance. It is easy to integrate with other frameworks such as Angular, BackboneJS since it is only a view library. ReactJS can render on the client and server sides.

Example 1:

In this example, we create a component called 'Hello'. The component is rendered in a container called 'root', and the output of the code is “Hi Deepak!”.

import React from 'react';

import ReactDOM from 'react-dom';

function Hello(props) {

  return <h1>Hi Deepak!</h1>;

}

ReactDOM.render(<Hello />, document.getElementById('root'));

Example 2:

import React from 'react';

import ReactDOM from 'react-dom';

var name = "enthusiastic Learner";

var element = <h1>Hello, { name }.Welcome to React Js.< /h1>;

ReactDOM.render(

    element,

    document.getElementById("root")

);

Output:

Hello enthusiastic Learner Welcome to React Js.

ReactJS Projects for Beginners

Starting with ReactJS projects for beginners and getting hands-on with ReactJS is the best approach to achieving progress. You can learn theoretical topics and prepare for professional development problems by working on smaller real-world tasks. Once you successfully deploy our ReactJS projects, you will be able to present our accomplishments to potential employers and land an ideal job. Building ReactJS projects will strengthen your skills and help you explore your creative side of development.

As a newbie, developing a ReactJS project may appear difficult, but breaking down an application into smaller components may simplify the process. Focus on one feature at a time and keep connecting the dots as you progress through the complexities of development.

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List of Projects Ideas for Beginners

  • Calculator

To store and run the calculator app,  we can use the Create React App package to create a directory. The fundamental goal behind this beginner's ReactJS project is to create a calculator that can perform all of the basic mathematical calculations, such as addition, subtraction, multiplication, division, and percentage.

  • Social Media App

Social media apps like Facebook, Instagram, Snapchat, and Twitter are good examples of smart apps. Because they contain an ever-increasing amount of advanced features, these apps might be a wonderful source of inspiration for a React project. The best aspect of utilizing React to design a social media app is knowing what functionality we need.

  • Music Player

We can customize our music player to our choice of songs where we can filter songs according to our favorite singer and other such variables.

  • E-Commerce Apps

E-commerce apps like Amazon, Flipkart, Nykaa, and others have become ingrained in our daily life. Today, every business house has its own app. As a result, having hands-on experience developing functional e-commerce react apps will increase your marketability in the development sector.

  • To-do App

A simple To-do App is another key ReactJS project for beginners that everyone should do when learning ReactJS. It can have one or three cards or boxes where you can keep track of scheduled, in-progress, and completed tasks; these three boxes can be represented with different colors.

Step-by-Step Guide for Creating E-commerce App

Step 1: Getting Ready With Tools

The primary and foremost thing for speeding up our development process is to get familiar with Node.js and NPM. 

Step 2: Setting Up a New Project With React Native

Installing and configuring either Xcode or Android Studio is essential when developing an app for the iOS or Android platforms. Expo CLI also assists us in setting up a development environment on our local workstation, allowing us to write React Native code quickly.

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Step 3: Listing of Product for our App

Because an e-commerce software has numerous screens and the product list screen is one of the most important parts of the app, it is advisable to use the React Native navigation plugin to create a multi-screen app. Installing the popular React Navigation package is recommended for adding products to the e-commerce screen. Although product information may be easily obtained using the web API, we can still develop a mock API service to collect many products and get our mobile app up and running.

Step 4: Creating Product List for the App

The product list component pulls product list data from the mock API service we built earlier and uses it to render multiple product components to display product items.

Step 5: Developing Cart and Other Layout for the App

We should pay attention to storing the shopping cart data in a global location so that we can readily update and access it from any location. The Context API in React is an excellent solution for having a global state in a straightforward approach.

Step 6: Creating the Product Details for the App

The product details area of an e-commerce mobile app built using React Native provides all of the information about the current product picked by the user. Add To Cart, which updates the shopping cart, is also followed by the product details.

Step 7: Creating Logo for Our App

Every e-commerce app includes a small shopping cart symbol at the top of the screen that shows the total number of products in your cart. It can be a good project idea for a beginner.

Step 8: Combining All Components to Deploy the App

As all components are individually developed using React Native programming language. Now, to assemble all the components as an e-commerce mobile app. The main application of the component needs to include a navigation controller as there are multiple screens to look for. But we need to wrap all components with the cart content provider because we have used the React Context API.

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Conclusion

React is a JavaScript library created by Facebook to create UI components and increase the application's performance with Virtual DOM. Because it is only a view library, React.js is simple to integrate with other frameworks like Angular and BackboneJS. However, the majority of the code is written in JSX, which means that HTML and CSS are included in javascript. This can be perplexing because most other frameworks like to keep HTML and javascript code separate. 

If you are interested in learning more about React JS and other related concepts, you can enroll in Simplilearn’s exclusive Full Stack Web Development Certification Course and accelerate your career as a software developer. The program comprises a variety of software development courses, ranging from the fundamentals to advanced topics. 

Simplilearn also offers free online skill-up courses in several domains, from data science and business analytics to software development, AI, and machine learning. You can take up any of these courses to upgrade your skills and advance your career.

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