verlok / vanilla-lazyload

LazyLoad is a lightweight, flexible script that speeds up your website by deferring the loading of your below-the-fold images, backgrounds, videos, iframes and scripts to when they will enter the viewport. Written in plain "vanilla" JavaScript, it leverages IntersectionObserver, supports responsive images and enables native lazy loading.

thebuilder / react-intersection-observer

React implementation of the Intersection Observer API to tell you when an element enters or leaves the viewport.

awesome-reveal / awesome-reveal

Reveal-on-scroll animations for React, Vue, Astro and plain JavaScript, built on IntersectionObserver and the Web Animations API.

svelte-inview / svelte-inview

A Svelte action that monitors an element enters or leaves the viewport.🔥