Intersection Observer in JavaScript | Infinite Scrolling | Lazy Loading

Intersection Observer is the amazing API using which we can implement Scroll Animation, Infinite Scroll , Lazy Loading and other excellent features.
Timeline : 🔥🔥🔥
00:00 what is in video ?
01:14 What is Intersection Observer ?
02:30 Intersection Observer Entry
04:14 Scroll Animation
08:08 unObserve method
09:26 rootMargin
10:33 Infinite Scrolling
17:00 Lazy Loading