Episode 1: The IntersectionObserver API

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In the debut episode of Hell-bent for Webperf, we a cover a bit of the IntersectionObserver API and how it can take element visibility checking from dog-slow to super fast.

Links:
  1. Hell-bent for Webperf
  2. webperf
  3. web performance
  4. performance
  5. web development
  6. dev
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Комментарии
Автор

Thanks a lot for this video, it was very clear! I would love a demo on how to use chrome dev tools for profiling. I feel like I'm using 1% of its features ... Keep up the great work !

Автор

Thank you for video! I have question:
1. Does it works 100% perfectly? In my practice sometimes when scrolling page too fast, some elements are ignored and don't affects by IntersectionObserver.
2. I IntersectionObserver good choice when we need some parallax effects? And if Yes, then how to use it int this case?

wswebus
Автор

Great stuff Jeremy, one question regarding applying this on pwa sites wheb user goes offline and scroll after, what is the best way to apply this ? Thank you

georgesalib