- Application APIs
- Caching and State
- Data Storage
- Geolocation
- Manifest Files
- Parallel Processing
- Utilities
| - Data Elements
- Forms
- Lists
- Tables
|
- Document Styling
- Cascade Rules
- Selectors, Classes, and Identifiers
- Transitions and Animation
| - Multimedia Elements
- Audio
- Canvas
- SVG and MathML
- Video
|
- Page Structure
- Document Parts
- Grouped Elements
| - Resource Handling
- Linking
- Page Loading
- Protocols and Resources
|
- Tags
- Deprecated Elements
- Embedded Content
- Global Attributes
- Metadata
- Semantics
| - User Interactions
- DOM Manipulation
- Drag-and-Drop
- Menus
|
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