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How to Use React Hooks to Implement a Self-increment Counter

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by Abdul Rawoof A R dot icon Updated: Jan 24, 2023

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A self-increment counter is a type of counter that increments its value by one each time when it is accessed or used. This can be helpful in situations where it's essential to retain a count of something, such as when creating unique identities or counting the instances of an event. A variable initialized to a starting value and subsequently increased each time the counter is accessed frequently used to build self-increment counters in programming. 


There are many situations where keeping track of anything requires using self-increment counters. Typical illustrations include: 

  • Creating distinctive identifiers: A self-increment counter might be used to give each person that registers for a website a distinctive ID. 
  • Counting the instances of something occurring: You could use a counter to track how frequently a user clicks a button on a website. 
  • Monitoring performance: You can use a counter to monitor the volume of requests a server process over time or the frequency with which a specific feature is used. 
  • Tracking system activity: A counter can be used to keep track of a system's mistakes or the number of times a specific system component has been accessed. 

Here is how you can use React hook to implement a self-increment counter: 


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.

Use React hook to implement a self-increment counter

JavaScriptdotLines of Code : 26dotLicense : Strong Copyleft (CC BY-SA 4.0)

const { useState, useEffect } = React;

function App() {
  const [counter, setCounter] = useState(0);

  useEffect(() => {
    const interval = setInterval(() => {
      setCounter(counter => counter + 1);
    }, 1000);

    return () => {
      clearInterval(interval);
    };
  }, []);

  return <h1>{counter}</h1>;
};

ReactDOM.render(
  <App />,
  document.getElementById('root')
);
<script src="https://unpkg.com/react@16.7.0-alpha.0/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@16.7.0-alpha.0/umd/react-dom.development.js"></script>

<div id="root"></div>

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 app.js file(remove the earlier code from app.js) then paste the script tag in index.html file.
  6. Import React and ReactDOM(refer preview of the output).
  7. Add export default statement at end of the code(like 'export default App;').
  8. Open the terminal from IDE.
  9. 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 'how to implement self increament count in 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 implement self increment count in react 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 implement self increment count in react.

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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