Polyfills the ResizeObserver API and supports box size options from the latest spec
🏯 PositionObserver is a JavaScript tool that provides a way to asynchronously observe changes in the position of a target element within its viewport.
Monitor if a component is inside the viewport, using IntersectionObserver API
Resize observer for React
High-priority task queue for Node.js and browsers
React MutateObserver Component
A React hook that allows you to use a ResizeObserver to measure an element's size.
Reactive primitives for observing resizing of HTML elements.
A polyfill for the Resize Observer API
Resize observer for React
ESLint React's ESLint plugin for interacting with Web APIs
A React hook for the IntersectionObserver API that uses a polyfill when the native API is not available
High-priority task queue for Node.js and browsers
A library for declarative use of Intersection Observer API with Angular
A React hook that fires a callback whenever ResizeObserver detects a change to its size
Detect if web fonts are available
A library for declarative use of Mutation Observer API with Angular
A library for declarative use of Resize Observer API with Angular
Angular 21.x library to monitor changes to elements. Uses ResizeObserver to do the work.
An implementation and polyfill of the Resize Observer draft.
Tracks the intersection of a DOM element and its containing element or the viewport.
Observe CSS property changes on any elements
React hook to use IntersectionObserver declaratively.
Glue layer for reactivity