- Data Attributes: Custom attributes prefixed with
data-, e.g., <div data-info="123">. - Local Storage: Use the
localStorage API for client-side data storage. - Geolocation API: Retrieve geographic location data of the user.
- Drag and Drop: Built-in drag and drop functionality for elements.
This cheat sheet provides a quick overview of the essential components and best practices in HTML5. For further learning, you can refer to detailed documentation on each feature and tag to master HTML5 in-depth.