How to Create Reusable Components in React JS?

Neha SharmaNeha Sharma
3 min read

Around us, there are various IT Companies that are focusing on developing apps that can help streamline the various processes. Well, behind all this development a coder is responsible. But do they need to develop code whenever they develop any new application? The answer is No because they can reuse the code that was used previously.

Because as your business grows, you need to add new features. This can be added easily by combining existing components. And it will make your code more scalable and adaptable. You can use your reusable code in future projects without writing it again from scratch. The same thing can happen with ReactJS, where you can use reusable components as building blocks. But for this, you need to learn about React JS, which can be possible only through enrolling in the React JS Course. So let’s learn about how to create Reusable React Components.

Creating Reusable Components:

Functional Components:

These are the simple functions that take props as input and return JSX.

JavaScript

function Button(props) {

return (

<button onClick={props.onClick}>

{props.label}

</button>

);

}

Class Components:

They are the more complex components that use classes and state.

Javascript

class InputField extends React. Component {

render() {

return (

<input

type={this.props.type}

value={this.props.value}

onChange={this.props.onChange}

placeholder={this.props.placeholder}

/>

);

}

}

Passing Props Effectively

Well, you can pass the props by using the following ways:

  • You can simplify the prop usage within components by destructuring them.

  • Also, you can set default values for props to provide flexibility.

  • If needed, you can validate prop types to catch errors during development.

Managing States:

  • You can use state within components to manage user input and provide a more interactive experience.

  • If there are uncontrolled components, let the DOM handle the state for simpler components.

  • Also for complex applications, you can use Redux or Context API to manage the global state efficiently.

Well, from the above information, you may have got an idea of how to create reusable components, So now, if you have thought of taking this course, you can enroll for React JS Training in Chennai. Because Chennai is a great place to learn the skill-based courses. So let’s move toward learning Best Practices for Reusability:

What are the Best Practices for Reusability in React Components?

If you have taken the React JS Course, you can implement it in the best practices for reusability in React Components.

Practice

Description

Keep Components Small

Avoid creating overly complex components.

Use a Component Library

Leverage pre-built component libraries for common UI elements.

Test Components

Write unit tests to ensure components behave as expected.

Document Components

Provide clear documentation for components, including props, usage examples, and intended behavior.

Favor Composition over Inheritance

Compose components together rather than extending them.

Conclusion:

Well, if you follow these best practices, you can create highly reusable components in React JS. Because it may not just improve your development efficiency but also enhance the maintainability and scalability of your applications. One thing that you need to remember is development efficiency but also enhance the maintainability and scalability of your applications. So what you are waiting for? Enroll in the course today and give your career new heights.

0
Subscribe to my newsletter

Read articles from Neha Sharma directly inside your inbox. Subscribe to the newsletter, and don't miss out.

Written by

Neha Sharma
Neha Sharma