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Reload a component onClick using Reactjs

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by vsasikalabe dot icon Updated: Mar 27, 2023

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When working on a single-page application, changing the state of the React component is very useful. Without reloading the webpage, it simply replaces the content of the existing component for the user.  


Whenever there is a change in their state or props, React components automatically re-render. From anywhere in the code, a simple state update automatically causes all the User Interface (UI) elements to be re-rendered. We can also use the window.location.reload() method in React to refresh a page. After clicking the reload button, the number counting will increase. The operation will get on stop and start with new counting from the beginning. The set interval count will be 1000ms. Math.random will perform mathematical addition. 

Compared to componentWillMount(), componentDidMount() is only called once on the client. componentWillMount() is called twice, once to the server and once to the client. This method is called when the client receives data from the server before the data is displayed in the browser. 


Here is an example of how to reload a component onclick using reactjs: 

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

Code

In this solution we use the React library.

ReactJs : How to reload a component onClick

JavaScriptdotLines of Code : 42dotLicense : Strong Copyleft (CC BY-SA 4.0)

class Requirements extends React.Component {
  state = { count: 0 };

  componentDidMount() {
    this.interval = setInterval(() => {
      this.setState(({ count }) => ({ count: count + 1 }));
    }, 1000);
  }

  componentWillUnmount() {
    clearInterval(this.interval);
  }

  render() {
    return <div> {this.state.count}</div>;
  }
}

class UploadDocument extends React.Component {
  state = {
    requirementKey: Math.random()
  };

  getDocFinancialInfo = docId => {
    this.setState({ requirementKey: Math.random() });
  };

  render() {
    return (
      <div>
        <Requirements key={this.state.requirementKey} />
        <button onClick={this.getDocFinancialInfo}> Reload </button>
      </div>
    );
  }
}

ReactDOM.render(<UploadDocument />, document.getElementById("root"));
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.1.0/react.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.1.0/react-dom.min.js"></script>

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

Instructions

Follow the steps carefully to get the output easily.

  1. Install Node.js and React on your IDE(preferably Visual Studio Code).
  2. Create React Application using npx create-react-app foldername.
  3. cd foldername.
  4. Open the folder in IDE.
  5. Click on the code we get Js and Html code. Copy the code using the "copy" button above and paste it into App.js file(remove the earlier code from App.js). Copy the html code and paste it into the index.html within the body tag.
  6. import React from 'react'; import * as ReactDOM from 'react-dom';
  7. Add export default Requirements; to the end.
  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, and version information in the following sections.


I found this code snippet by searching for Reload a component onClick using Reactjs 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 VS Code 1.73.1 version.
  2. The solution is tested on Nodejs 16.14.2 version.
  3. react 18.2.0 version.


Using this solution, we are able to Reload a component onClick using Reactjs 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 Reload a component onClick using Reactjs.

Dependent Libraries

create-react-appby facebook

JavaScript doticonstar image 100082 doticonVersion:v5.0.1doticon
License: Permissive (MIT)

Set up a modern web app by running one command.

Support
    Quality
      Security
        License
          Reuse

            create-react-appby facebook

            JavaScript doticon star image 100082 doticonVersion:v5.0.1doticon License: Permissive (MIT)

            Set up a modern web app by running one command.
            Support
              Quality
                Security
                  License
                    Reuse

                      You can search for any dependent library on kandi like react.

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