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 Spinner component allows the user to show the loading effect. It is used for the purpose of indicating a loading state. We can use the following approach in ReactJS to use the ReactJS Reactstrap Spinner Component.
Spinner Props:
- bsPrefix: This prop is used to denote the change in component in css.It is used to customize the bootstrap  css .The default value is spinner and type is string .
- size: The size of props is used to demonstrate the size of the spinner .The size of props is used in component size variations . The type of size is sm.
- color: The color props is used to denote the color of the spinner.
- className: The className props  is used to denote the class name for styling the component in css .
- children: It is used to pass the children element to this component in React JS .The type of children is element .
Creating React Application And Installing Module:
Step 1: Create a React application using the following command:
npx create-react-app foldername
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Step 2: After creating your project folder i.e. foldername, move to it using the following command:
cd foldername
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 1: Now write down the following code in the App.js file. Here, we have shown a spinner with grow type.
App.js
import React from 'react'import 'bootstrap/dist/css/bootstrap.min.css'; import { Spinner } from "reactstrap"  function App() {     return (         <div style={{             display: 'block', width: 700, padding: 30         }}>             <h4>ReactJS Reactstrap Simple Spinner Component</h4>             <Spinner type="grow" color="warning"                children={false} />         </div>     ); }   export default App; |
Step to Run Application: Run the application using the following command from the root directory of the project:
npm start
Output: Now open your browser and go to http://localhost:3000/, you will see the following output:
Example 2: Now write down the following code in the App.js file. Here, we have shown a spinner without grow type.
App.js
import React from 'react'import 'bootstrap/dist/css/bootstrap.min.css'; import { Spinner } from "reactstrap"Â Â function App() { Â Â Â Â return ( Â Â Â Â Â Â Â Â <div style={{ Â Â Â Â Â Â Â Â Â Â Â Â display: 'block', width: 700, padding: 30 Â Â Â Â Â Â Â Â }}> Â Â Â Â Â Â Â Â Â Â Â Â <h4>ReactJS Reactstrap Spinner Component</h4> Â Â Â Â Â Â Â Â Â Â Â Â <Spinner style={{ width: '2rem', height: '2rem' }} Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â children={false} /> Â Â Â Â Â Â Â Â </div> Â Â Â Â ); } Â Â export default App; |
Step to Run Application: Run the application using the following command from the root directory of the project:
npm start
Output: Now open your browser and go to http://localhost:3000/, you will see the following output:
Reference: https://reactstrap.github.io/components/spinners/
