Learn LIT with Real Code Examples

`npm install lit`

Create custom elements by extending LitElement

Use `@property` for reactive state

Render templates with `html` tagged template literal

Include components in HTML using custom tags

Install Node.js

Install Lit via NPM

Set up dev server (Vite/Parcel/ESBuild)

Configure TypeScript if needed

Start building components

package.json - dependencies

tsconfig.json - TypeScript support

vite.config.js - optional build tool

index.html - main entry

components/ - Lit components

`npm init lit` - starter project

`npm run dev` - start dev server

`npm run build` - production build

`npm test` - run tests

`npm publish` - publish component library

Dynamic text via properties

Use i18n libraries externally

CSS/attribute directionality support

Templates support locale formatting

Custom events for localization updates

Use ARIA roles

Semantic HTML in templates

Keyboard navigation support

Focus management in components

Progressive enhancement for non-JS fallback

Scoped CSS via `static styles`

CSS variables for theme support

CSS modules optional

Tailwind integration possible

Shadow DOM prevents style leakage

Reactive properties

Event-driven communication

Minimal state inside components

Parent-child property binding

No global state library needed

Properties for component state

Events to notify changes

Server data via fetch

Integration with frameworks or stores

Reactive updates on property change