Use IntersectionObserver for performance
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lorensr commented
https://developers.google.com/web/updates/2016/04/intersectionobserver
will need a polyfill for safari: https://caniuse.com/#search=intersectionobserver
Closed this issue · 1 comments
https://developers.google.com/web/updates/2016/04/intersectionobserver
will need a polyfill for safari: https://caniuse.com/#search=intersectionobserver