A from-scratch implementation of virtual list rendering in React — no react-window, no react-virtualized.

Collection of reactive utility composables for Svelte 5 inspired by VueUse

Zero-dependency, Worker-native, ESNext-first React 19 ResizeObserver hook

PieChart with vanilla javascript

🌿 1Kb DOM element size sensor which will callback when size changed.

📏 React Native WebView that auto-sizes itself, trims CMS fluff, observes images/iframes/videos, and keeps your parent scroll buttery smooth—no timers, no flicker, just reliable height updates everywhere.

Executes a callback whenever the bounding rectangle of an element changes. It uses IntersectionObserver under the hood, eliminating the need for a polling loop.

A lightweight app for displaying a collection of quotations from a JSON file using an HTML template. Short quotes use <q>, longer ones use <blockquote>, and entries can be filtered by author or tag.

An example of the Resize Observer API in React

Resize Observers simplified

🧩 A flexible and lightweight Vue 3 floating panel system powered by @floating-ui/vue — includes composable hooks and plug-and-play components with arrow and resize support.

Respond to changes in a DOM element's size. With React Breakpoints, element queries are no longer "web design's unicorn" 🦄

A lightweight React hook to listen for window resize events and get the current window width.

Tutorial how to create trackable react tooltip with position computation.

This Python program demonstrates basic image resizing and display functionalities using OpenCV and the imutils library.

A simple resize-observer component in vanilla javascript. Easily configured using HTML5 attributes and/or JavaScript API.

Page navigation via anchor links in fixed nav. No set height required on the nav.

vue-container-query

Resize observer for Vue. Detect size changes of DOM elements. 📡 检测DOM元素的尺寸变化, 支持Vue的指令和组件方式。