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The repository you linked to, actually contains the official polyfill: https://github.com/WICG/IntersectionObserver/tree/gh-pages/polyfill https://github.com/WI
by SimeVidas 10y ago
The repository you linked to, actually contains the official polyfill: https://github.com/WICG/IntersectionObserver/tree/gh-pages/polyfill https://github.com/WICG/IntersectionObserver/tree/gh-pages/p... (it should be about 6 KB minzipped)
- spankalee 10y agoAnd the polyfill defers to the native implementation where available, like Chrome and Opera, for much better performance and responsiveness.