Lazy-Loaded Images - Code This, Not That

Code this 💪, not that 💩. Learn how to use IntersectionObserver to lazy-load images efficiently in the browser without listening to the scroll event https://fireship.io/snippets/intersection-observer-lazy-load-images/

API https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API ... https://www.youtube.com/watch?v=aUjBvuUdkhg