Reactstrap: Reactstrap is a popular front-end library that is easy to use React Bootstrap 4 components. This library contains the stateless React components for Bootstrap 4. The alert Component is used for urgent interruptions, requiring acknowledgment that informs the user about a situation. We can use the following approach in ReactJS to use the ReactJS Reactstrap Alert Component.
Creating React Application And Installing Module:
Step 1: Create a React application using the following command:
npx create-react-app foldername
Step 2: After creating your project folder i.e. folder name, move to it using the following command:
cd foldername
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Step 3: After creating the ReactJS application, install the required module using the following command:
npm install reactstrap bootstrap
Project Structure: It will look like the following.
Project Structure
Example: Now write down the following code in the App.js file. Here, the App is our default component where we have written our code.
Javascript
import React from 'react'import 'bootstrap/dist/css/bootstrap.min.css'; import { Alert } from "reactstrap"  function App() {     return (         <div style={{             display: 'block', width: 700, padding: 30         }}>             <h4>ReactJS Reactstrap Alert Component</h4>             <Alert color="success">                 Sample Success Alert Text             </Alert>             <Alert color="danger">                 Sample Danger Alert Text             </Alert>             <Alert color="warning">                 Sample Warning Alert Text             </Alert>             <Alert color="primary">                 Sample Primary Alert Text             </Alert>             <Alert color="secondary">                 Sample Secondary Alert Text             </Alert>         </div>     ); }   export default App; |
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Step to Run Application: Run the application using the following command from the root directory of the project:
npm start
Output:Â
Now open your browser and go to http://localhost:3000/, you will see the following output:
Reference: https://reactstrap.github.io/components/alerts/
