Charles Duyk iwinulose
iwinulose
/ viewportobserver.js
Last active
April 29, 2020 07:50
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| class ViewportObserver { | |
| constructor() { | |
| const intersectionObserverCallbackClosure = (observerEntries, which) => { this.intersectionObserverFired(observerEntries, which) } | |
| this.viewportObserver = new IntersectionObserver(intersectionObserverCallbackClosure, { | |
| root: null, | |
| rootMargin: "0px 0px 0px 0px" | |
| }) | |
| this.nearViewportObserver = new IntersectionObserver(intersectionObserverCallbackClosure, { | |
| root: null, | |
| rootMargin: "200% 0px 200% 0px" |