Allow users to choose colors and brush sizes to draw shapes or freehand sketches.
Instead of using the default browser controls, you can use the HTML5 tag combined with the Media Streams API. Practical HTML 5 Projects
Client-side data persistence and Web Storage API. 4. HTML5 Canvas Drawing App Use the element to create a digital whiteboard. Allow users to choose colors and brush sizes
Use the navigator.geolocation API to get latitude and longitude, then fetch data from a weather API. Practical HTML 5 Projects
Working with asynchronous API calls and user permissions.
Build a Kanban-style board (like Trello) using the native HTML5 Drag and Drop API.
Use localStorage to store strings of text directly in the user's browser without needing a database.