How to lazy load images

Continuing my dive into the Intersection Observer API, this week I look at probably the most practical use case for them, lazy loading images! It's relatively easy to do, and we can use the intersection observer's rootMargin to make sure the image loads before it enters the screen.

Other videos in this series:
Introduction to Intersection Observer: https://youtu.be/T8EYosX4NOo
Change navbar style on scroll: https://youtu.be/RxnV9Xcw914
Slide in and fade in on scroll: https://youtu.be/huVJW23JHKQ

Great article that goes into a lot of detail on Intersection Observers: https://www.smashingmagazine.com/2018/01/deferring-lazy-loading-intersection-observer-api/

#javascript #lazyload

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