IntersectionObserver Packages

Experimental API for observing the visible box of an element.

LazyLoading for the New Millenium™

JavaScript helper for viewport based CSS animations

lazyloading images, iframes and videos with intersection observer 2

Viewport animation using IntersectionObserver.

crazy load with Intersection Observer API

Lightweight, no dependency library for lazy image load.

Quicklink for Angular

A JavaScript library for screen-intersected animations on page scroll.

Svelte use:action for element position notifications using IntersectionObserver.

vue-lazy-load-image-component

Utility helper to trigger callback when HTML elements are in view

Faster subsequent page-loads by prefetching in-viewport links during idle time

Wrapper for IntersectionObserver that returns the scroll direction

Quicklink for Angular

A lightweight and high performance lazy loader and `element-in-view` callback based on [Intersection Observer V2](https://developers.google.com/web/updates/2019/02/intersectionobserver-v2) with an efficient polyfill for old browsers.

Easy way to observe HTML element visibility, based on scrolling, resizing, changes in DOM. Emits true when observed element starts to be visible and emits false when the element hides.

Faster subsequent page-loads by prefetching in-viewport links during idle time

Harness the power of Intersection Observers for simple list virtualization in React

A React component to detect visibility of an element using IntersectionObserver