How to Add a Loading GIF in ReactJS? Last Updated : 01 Oct, 2024 Comments Improve Suggest changes Like Article Like Report Loading indicators are essential in web applications to enhance user experience by providing visual feedback during asynchronous operations. They help users understand that a process is ongoing and prevent them from interacting with the application while it's loading. Approach Start by defining a state variable (e.g., isLoading) using the useState hook to track whether data is currently being loaded.Use an effect hook (like useEffect) to initiate your data fetching or any asynchronous operation when the component mounts or when certain dependencies change.Before starting the asynchronous operation, set isLoading it to true. Once the operation is complete (whether it succeeds or fails), set isLoading back to false.Implement conditional rendering in your component’s return statement. If isLoading is true, render the loading GIF; otherwise, render the actual content.Steps to Create a React Application Step 1: You will start a new project using the following commandnpx create-react-app loading-appStep 2: Now go to your loading-app folder by typing the given command in the terminal.cd loading-appProject Structure: Project StructureUpdated Dependencies:"dependencies": { "react": "^18.0.0", "react-dom": "^18.0.0", "react-scripts": "^5.0.0" }, "devDependencies": { "@types/react": "18.2.38", "@types/react-dom": "18.2.15", "loader-utils": "3.2.1", "typescript": "4.4.4" },Example: This example shows the the Loading GIF to a React Component. JavaScript // src/LoadingExample.js import React, { useState, useEffect } from 'react'; const LoadingExample = () => { // Step 1: Set up state for loading const [isLoading, setIsLoading] = useState(true); // Step 2: Simulate data fetching with useEffect useEffect(() => { // Simulate a data fetching delay const timer = setTimeout(() => { setIsLoading(false); // Set loading to false after 3 seconds }, 3000); // Cleanup the timer when the component unmounts return () => clearTimeout(timer); }, []); return ( <div> {/* Step 3: Conditional rendering */} {isLoading ? ( <div className="loading"> <img src="loading.gif" alt="Loading..." /> </div> ) : ( <div> <h1>Data Loaded!</h1> <p>This is the content that appears after loading is complete.</p> </div> )} </div> ); }; export default LoadingExample; JavaScript // App.js import React from 'react'; import LoadingExample from './LoadingExample'; function App() { return ( <div className="App"> <LoadingExample /> </div> ); } export default App; Output:ConclusionAdding and managing a loading GIF in a ReactJS application involves several key steps: preparing and placing the GIF file, incorporating it into your React components using state and conditional rendering, and applying appropriate CSS styles to ensure proper display. Testing the integration involves verifying the GIF's appearance during loading states and ensuring that content is correctly displayed once loading is complete. Comment More infoAdvertise with us Next Article How to Add a Loading GIF in ReactJS? 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