Step 1: Create a Component for Lazy Loading Create a component that you want to lazily load. For this example, let’s create a component named LazyComponent. // LazyComponent.js import React from 'react'; const LazyComponent = () => { return This is a lazy-loaded component!; }; expo...
In this example, we will build a Routing application which lazily loads the component. App.jsx import React, { Suspense, lazy } from 'react'; import { BrowserRouter as Router, Route, Switch } from 'react -router-dom'; const About = lazy(() => import('./About')); const App = (...
Here’s an example of the implementation ofReact.Suspense: 1importReact,{Suspense}from"react";23constLazyComponent=React.lazy(()=>import('./OtherComponent'));45constMyComponent=()=>(67<Suspensefallback={Loading...}>8<LazyComponent/>9</Suspense>1011)12 Copy Code JavaScript Multiple...
Read More: How to implement Lazy Loading in React Example (HTML/JavaScript Lazy Loading for Images): html In this example, the loading=”lazy” attribute tells the browser to load the image only when it becomes visible in the viewport. When to use Lazy Loading? Lazy loading is useful in...
This was all about how to implement lazy loading in react, if you need the fallback feature, you can update HOC's render method where it is returning null. Instead of null, you can return your fallback component, and it can be passed as props too. ...
// 引入 lazyimgimport Lazyimg, { withLazyimg } from'react-lazyimg-component';// 引入 volecity.jsimport'velocity-animate';import'velocity-animate/velocity.ui';// 配置const config = { placeholder: 'loading.svg', js_effect: 'transition.fadeIn', // 支持 velocity.js 动画效果};const Lazy...
We need to target a specific DOM element and trigger a callback function when it intersects with a parent element. An example of a DOM element to target is shown in the code snippet below: lettarget=document.querySelector("#targetElement"); ...
The procedure below walks you through the steps of lazy loading in React with React.Suspense and React.lazy through an example of lazy-loading the Login component located at ./Components/Login. Be sure that you’re running React version 16.6.0 or higher. For more details, see the full ...
For example, you can pass the waiting or loading message as thefallbackprop, and it will be displayed until the wrapped lazy component is rendered. import React, { Suspense } from "react"; const AboutComponent = React.lazy(() => import('./AboutComponent')); ...
Example: Route-based code splitting With the React Router library import React, { Suspense, lazy } from 'react'; import { BrowserRouter as Router, Routes, Route } from 'react-router-dom'; const Home = lazy(() => import('./routes/Home')); const About = lazy(() => import('./...