Angular & IntersectionObserver API

The Intersection Observer API can be used to perform actions based on the visibility of an element within a viewport. This can be particularly useful for lazy-loading images, infinite scrolling, or react when an element comes into view.

Using vanilla JS:

letoptions={root:document.querySelector("#scrollArea"),rootMargin:"0",threshold:1.0,};letobserver=newIntersectionObserver(callback,options);

Using Angular (16+)

Angular Demo:
https://stackblitz.com/edit/stackblitz-starters-fwj4q9?file=src%2Fmain.ts

Github:
https://github.com/leolanese/angular16-IntersectionObserver

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