Angular 21.x library to monitor changes to elements. Uses ResizeObserver to do the work.

GSAP is a framework-agnostic JavaScript animation library that turns developers into animation superheroes. Build high-performance animations that work in **every** major browser. Animate CSS, SVG, canvas, React, Vue, WebGL, colors, strings, motion paths,

A polyfill for the Resize Observer API

Component for giving you `onResize`.

Strongly typed read-only object methods

React hook for component-size

Vue普通元素resize事件监听

Drop-in adapter for migrating to Jotai from Recoil

Deep state observer is an state management library that will fire listeners only when specified object node (which also can be a wildcard) was changed.

A React component that notifies its children of hover interactions.

A polyfill for the `BoundingClientRectObserver`

An easy to use React hook wrapper around the ResizeObserver API.

Observable keypath engine.

React wrapper for mutation observers.

Observe when sticky elements become stuck and unstuck.

A set of reactive controllers that facilitate using the platform observer objects.

VueJS directive to observe changes in DOM use MutationObserver API

SvelteJS media queries observer.

Powerful react powered front-end framework.

Use a single ResizeObserver instance for better performance.