React Code Splitting with React.lazy

Split your bundle and load components on demand using Suspense.

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React.lazy allows you to render a dynamic import as a regular component. It automatically loads the bundle containing the component when this component is first rendered.

Key Takeaways: React Code Splitting with React.lazy

Mastering React Code Splitting with React.lazy helps you write clean and reliable React code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.

React Code Splitting with React.lazy Code Example

React

import React, { Suspense, lazy } from "react";

const AnalyticsDashboard = lazy(() => import("./AnalyticsDashboard"));

function App() {
  return (
    <Suspense fallback={<div>Loading dashboard...</div>}>
      <AnalyticsDashboard />
    </Suspense>
  );
}

Output

Splits bundle and downloads dashboard chunk on demand

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React Code Splitting with React.lazy

💡 Key Takeaways: React Code Splitting with React.lazy

React Code Splitting with React.lazy Code Example

Key Takeaways: React Code Splitting with React.lazy