Creating Accessible Web Components
This demo showcases best practices for building accessible custom elements using the Web Components API. Each example demonstrates key accessibility features including keyboard navigation, screen reader support, and theme adaptation.
Test these components with:
- Keyboard navigation (try using Tab, Enter, Space, and Arrow keys)
- Screen readers (like VoiceOver, NVDA, or JAWS)
- Dark mode and light mode
- High contrast mode
Accessible Toggle Button
Accessible Version
Non-Accessible Version
Key Accessibility Features:
- Proper ARIA attributes (
aria-pressed) - Keyboard operability (Enter and Space keys)
- Visual focus indicator
- Clear state indication (beyond just color)
Accessible Modal Dialog
Key Accessibility Features:
- Focus trap within the modal
- Keyboard closing with Escape key
- Focus restoration when closed
- Proper ARIA roles and properties
Accessible Tabs
Key Accessibility Features:
- WAI-ARIA Tabs pattern implementation
- Keyboard navigation with arrow keys
- Clear relationship between tabs and panels
- Proper focus management
Live Region Announcements
Key Accessibility Features:
- ARIA live regions for dynamic content
- Polite announcements for screen readers
- Visual feedback matching auditory feedback
Accessible Search Component
Key Accessibility Features:
- Proper ARIA combobox pattern implementation
- Keyboard navigation for result selection
- Announcements of search results to screen readers
- Clear visual indication of focus and selection