Infinite Scroll
Infinite scroll loads more feed items when a reader nears the current end.
A real example
A discovery feed adds recommendations and announces loading. It also offers another way to reach the footer.
Main parts
- 01Current location
- 02Destination labels
- 03Focus order
- 04Responsive behavior
Use it when
Use it for casual exploring when the next item matters more than the exact position.
Do not use it when
Never use it for focused search, comparison, or any task that needs a dependable end.
Name used in code
IntersectionObserver Before you ship
Before release, check the page structure, keyboard access, visible focus, contrast, and zoom. Also check loading, empty, error, success, cancel, and reduced-motion states.
Outcome: Use Infinite Scroll to solve this user need without losing the current context. User context: A discovery feed adds recommendations and announces loading. It also offers another way to reach the footer. Recommended pattern: Infinite Scroll. Why it fits: Use it for casual exploring when the next item matters more than the exact position. Do not use it when: Never use it for focused search, comparison, or any task that needs a dependable end. Product requirements: Define the default, loading, empty, error, success, and recovery states. Keep user input. Give clear feedback after every action. Accessibility and resilience: Use semantic HTML, full keyboard access, and visible focus. Make the layout work when zoomed and support reduced motion. Follow the project’s current rules. Do not add a new UI library unless the project already uses it. Acceptance criteria: The main task works with keyboard only and at 320px width. Focus and status changes are announced. Check loading, failure, retry, cancel, and reduced-motion paths. Evidence and limits (evidence boundary): No single official standard controls the whole term. Its meaning may change across teams, platforms, or frameworks. Unknowns to confirm: Product wording, data source, analytics events, supported devices and languages, and platform limits.
Check this request
Review the current use of Infinite Scroll. Definition: Infinite scroll loads more feed items when a reader nears the current end. Release checks: Before release, check the page structure, keyboard access, visible focus, contrast, and zoom. Also check loading, empty, error, success, cancel, and reduced-motion states. Before changing code, report the evidence you found, gaps, severity, and the smallest safe fix.