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Get Start with Basic React

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by Abdul Rawoof A R dot icon Updated: Feb 17, 2023

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React is nothing but, it is a flexible, declarative, and efficient JavaScript library for building user interfaces, and it lets us compose complex user interfaces from small and isolated pieces of code called 'components'. It has various components like Ant Design, React-Bootstrap, React Router, React Motion, etc. 


React Library is a library for building composable user interfaces. It encourages the creation of reusable user interface components, which present the data changes over time. It implements a one-way reactive data flow, reducing the boilerplates and making it easier to reason about than traditional data binding. Many people use React as the V(view) in MVC. It abstracts away the DOM from us, offering a programming model and better performance. It can render on the server using Node. It can power native applications using React Native. 


Features of React: 

  • JSX - It is a JavaScript syntax extension, and it is necessary to use JSX in React development, but it is suggested. 
  • Components - It is all about components. We need to think of everything as a component. It will help us main the code when working on large-scale applications or projects. 
  • Unidirectional data flow and flux - It implements a one-way data flow, making it easy to reason about our application. Flux is nothing but a pattern that helps keep our data unidirectional. 
  • License - It is licensed under Facebook. 


Pros of React: 

  • It is easy to learn and use. 
  • Easy to create Dynamic Web Applications. 
  • Having Reusable Components. 
  • Performance enhancement. 
  • Handy Tools support. 
  • The benefit of having JavaScript libraries. 


Cons of React: 

  • Flexibility and lack of conventions. 
  • Poor documentation. 
  • SEO handling. 


Here is an example to get started with the basics of React:

Fig : Preview of the output that you will get on running this code from your IDE.

Code

In this solution we're using React library.

Starting with React

JavaScriptdotLines of Code : 40dotLicense : Strong Copyleft (CC BY-SA 4.0)

function Comment(props) {
    return (
        <div className="Comment">
            <div className="UserInfo">
                <img
                    src={props.author.imgUrl}
                    alt={props.author.name}
                />
                <div className="UserInfo-name">
                    {props.author.name}
                </div>
            </div>
            <div className="Comment-text">
                {props.text}
            </div>
            <div className="Comment-date">
                {props.date.toString()}
            </div>
        </div>
    );
}

const comment = {
    date: new Date(),
    text: 'I hope you enjoy learning React!',
    author: {
        name: 'Hello Kitty',
        imgUrl: 'http://placekitten.com/g/64/64'
    }
};

ReactDOM.render(
    <Comment
        author={comment.author}
        text={comment.text}
        date={comment.date}
    />,
  document.getElementById('root')
);

Instructions

Follow the steps carefully to get the output easily.

  1. Install the Node.js and React on your IDE(preferable Visual Studio Code).
  2. Create React Application using npx create-react-app foldername.
  3. cd foldername.
  4. Open the folder in IDE.
  5. Copy the code using "copy" button above and paste it in index.js file(remove the earlier code from index.js).
  6. Import React and ReactDOM in index.js file.
  7. Open the terminal from IDE.
  8. npm start to run the file.


I hope you found this useful. I have added the link to dependent libraries, version information in the following sections.


I found this code snippet by searching for 'get start with basic react' in kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

  1. The solution is created in Visual Studio Code 1.73.1.
  2. The solution is tested on node v18.12.1 and npm v8.19.2.
  3. React version-18.2.0.


Using this solution, we are able to get start with basic react projects with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to get start with basic react projects.

Dependent Library

reactby facebook

JavaScript doticonstar image 209050 doticonVersion:v18.2.0doticon
License: Permissive (MIT)

The library for web and native user interfaces

Support
    Quality
      Security
        License
          Reuse

            reactby facebook

            JavaScript doticon star image 209050 doticonVersion:v18.2.0doticon License: Permissive (MIT)

            The library for web and native user interfaces
            Support
              Quality
                Security
                  License
                    Reuse

                      You can also search for any dependent libraries on kandi like 'react'.

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