React 17 Bootstrap Loading Spinners with Customization Tutorial with Examples

In this React 16+ tutorial, we’ll learn How to implement Loading Spinners in ReactJs application using React Bootstrap package.


What is a Loader Spinner?

A spinner is an animated loading component displaying a loader in a circular form. These are mainly used to show a user that the task is still in progress but the time it is going to take is indeterminate.

Loader Spinner can have multiple UI forms or animations which are shown until the process is completed.

We’ll implement the Loading Spinner in the React application by installing the React Bootstrap package module.

The React Bootstrap provides a wide variety of ready to use Bootstrap UI components which are exclusively converted and build for React applications.


Let’s go ahead and implement step by step


Create a React Application

First, we’ll create a new React application using npx create-react-app command

$ npx create-react-app react-bootstrap-loaders-app

Move inside the react app

$ cd react-bootstrap-loaders-app

Run application

$ npm start


Install React Bootstrap Package

After creating the react application, now we’ll install  <strong>react-bootstrap</strong> and bootstrap packages by running below command

$ npm install react-bootstrap bootstrap


Adding Loading Spinners in ReactJs App

After installing the react-bootstrap package above, we can easily import the required components.

For adding Loader Spinner, we’ll import Spinner class from 'react-bootstrap'

import { Spinner } from 'react-bootstrap';

Next, we need to import the bootstrap.min.css file as well to apply the bootstrap styling

import 'bootstrap/dist/css/bootstrap.min.css';


Simple Loading Spinner

The App.js file with App() function will look like this

// src/App.js
import React from 'react';
import './App.css';

import { Spinner } from 'react-bootstrap';
import 'bootstrap/dist/css/bootstrap.min.css';

function App() {
  return (
      <Spinner animation="border" role="status">
        <span className="sr-only">Loading...</span>
    </div >
export default App;


Animation Style of Spinners

The animation property of <Spinner> takes two style "border"(Default) and "grow"

<h6>Spinner with "Border" Style</h6>
<Spinner animation="border" />

<h6>Spinner with "Grow" Style</h6>
<Spinner animation="grow" />


Variants for Spinners

The variant property is used to add different ionic colors of Bootstrap for ‘primary‘ | ‘secondary‘ | ‘success‘ | ‘danger‘ | ‘warning‘ | ‘info‘ | ‘light‘ | ‘dark

<Spinner animation="border" variant="primary" />
<Spinner animation="border" variant="secondary" />
<Spinner animation="border" variant="success" />
<Spinner animation="border" variant="danger" />
<Spinner animation="border" variant="warning" />
<Spinner animation="border" variant="info" />
<Spinner animation="border" variant="light" />
<Spinner animation="border" variant="dark" />
<Spinner animation="grow" variant="primary" />
<Spinner animation="grow" variant="secondary" />
<Spinner animation="grow" variant="success" />
<Spinner animation="grow" variant="danger" />
<Spinner animation="grow" variant="warning" />
<Spinner animation="grow" variant="info" />
<Spinner animation="grow" variant="light" />
<Spinner animation="grow" variant="dark" />

Change Size of Spinners

The size of loader Spinners can be changed by adding the size property

<Spinner animation="border" variant="primary" size="sm" />
<Spinner animation="border" variant="secondary" />
<Spinner animation="border" variant="success" size="sm" />
<Spinner animation="border" variant="danger" />
<Spinner animation="border" variant="warning" size="sm" />
<Spinner animation="border" variant="info" />
<Spinner animation="border" variant="light" size="sm" />
<Spinner animation="border" variant="dark" />
<Spinner animation="grow" variant="primary" size="sm" />
<Spinner animation="grow" variant="secondary" />
<Spinner animation="grow" variant="success" size="sm" />
<Spinner animation="grow" variant="danger" />
<Spinner animation="grow" variant="warning" size="sm" />
<Spinner animation="grow" variant="info" />
<Spinner animation="grow" variant="light" size="sm" />
<Spinner animation="grow" variant="dark" />



We looked into the React Bootstrap package module to implement the Spinner UI component and also discussed its various customizations options available.

Adding React Bootstrap in the ReactJs applications can really fasten the app development process by providing the number read to use UI components for multiple device support.

I hope you enjoyed this tutorial. Feel free to share your thoughts in the comment section below.

Thanks for reading!

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