Infinite Scroll List (Intersection Observer)

🟡 SDE-2 Mid-Level
+25 XP
Live Interactive Demo Model

Infinite Scroll List (Intersection Observer)

An infinite scrolling list that monitors a sentinel element and fetches data in batches up to 50 items.

Loaded Items: 0 / 50
Simulated Latency: 600ms
Acceptance Criteria
Setting up IntersectionObserver with ref attachment in React
Using rootMargin to trigger data fetches ahead of time
Handling loading skeletons and end-of-feed boundaries
Target APIs & Concepts
IntersectionObserver APISentinel PatternSimulated Pagination
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