The repository you linked to, actually contains the official polyfill: https://g... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		SimeVidas on Aug 27, 2016 \| parent \| context \| favorite \| on: Show HN: In-view.js – Get notified when DOM elemen... The repository you linked to, actually contains the official polyfill: https://github.com/WICG/IntersectionObserver/tree/gh-pages/p... (it should be about 6 KB minzipped)

spankalee on Aug 27, 2016 [–]

And the polyfill defers to the native implementation where available, like Chrome and Opera, for much better performance and responsiveness.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact