Learn PREACT with Real Code Examples

Todo app with components

Navigation menu with state

Interactive data table

PWA with offline caching

Widget embedded in third-party sites

Check JSX transpilation

Ensure props and state are used correctly

Confirm virtual DOM updates as expected

Verify preact/compat compatibility

Debug hooks usage and lifecycle

Unit testing with Jest

Component testing with Testing Library

E2E testing with Playwright/Cypress

Snapshot testing JSX output

Test hooks and state changes

Static hosting (Netlify, Vercel, GitHub Pages)

Integration in existing web apps

Server-side rendering with preact-render-to-string

Embedding lightweight widgets

PWAs and SPA deployments

Preact CLI

preact/compat

Vite integration

Webpack/Parcel plugins

Storybook Preact support

React libraries via preact/compat

Tailwind CSS

Redux or Zustand

Router libraries (preact-router)

TypeScript support

Keep components small and reusable

Use functional components and hooks

Leverage preact/compat for React libraries

Lazy-load heavy components

Optimize state updates and re-renders

Build a Preact todo app

Create a navigation bar with state

Implement a PWA with caching

Embed a Preact widget

Migrate a small React app to Preact