196 Open source projects that are alternatives of or similar to Ponyfill

Promise packages, patterns, chat, and tutorials

🖥 A screen.orientation ponyfill

A pure JS in-memory implementation of the IndexedDB API

Polyfills the ResizeObserver API.

Tiny library (<200B gzip) for deferring something by a "tick"

Web Streams, based on the WHATWG spec reference implementation

Standard Library

(A smaller) polyfill for the react context API

A polyfill for the Resize Observer API

Polyfill for the AbortController DOM API and abortable fetch (stub that calls catch, doesn't actually abort request).

Element.scrollIntoView ponyfills for things like "if-needed" and "smooth"

🐕 Bare minimum 500b fetch polyfill.

Client-side support for CSS custom properties (aka "CSS variables") in legacy and modern browsers

Object.fromEntries() ponyfill (in 6 lines)

📋 Simple copying on the web, with maximum browser compatibility.

🍩 1kb minimally viable DOM Document implementation

A polyfill for native ES6 Promises as close as possible (no extensions) to the strict spec definitions.

A Javascript library for working with native objects.

A browser API to prevent DOM-Based Cross Site Scripting in modern web applications.

NodeJS module to create polyfill bundles tailored to individual user-agents.

This component provides a partial, native PHP implementation of the Grapheme functions from the Intl extension.

AVIF polyfill for the browser

This component provides a partial, native PHP implementation for the Ctype extension.

Polyfill for the proposed React context API

Fast and lightweight dependency-free vanilla JavaScript polyfill for native lazy loading / the awesome loading='lazy'-attribute.

CSS3 Media Queries Shim

Make JSONP request like window.fetch

Fabulously kill processes. Cross-platform.

❤️ JavaScript/TypeScript linter (ESLint wrapper) with great defaults

This component provides features unavailable in releases prior to PHP 7.0.

Capture form validation back from the browser

A Javascript polyfill for browsers that don't support the object-fit CSS property.

A trivial but working polyfill for PHP 7.3 is_countable function. Supports PHP versions >= 5.3

Backwards compatibility polyfill for React class components

A window.fetch JavaScript polyfill.

Javascript polyfills as a service. Java implementation.

Node.js test runner that lets you develop with confidence 🚀

StickyState is a high performant module making native position:sticky statefull and polyfilling the missing sticky browser feature

This component provides functions unavailable in releases prior to PHP 8.0.

JSBI is a pure-JavaScript implementation of the official ECMAScript BigInt proposal.

Cross-platform asynchronous I/O

Compile-time XPM-like image parser for C++

Polyfill for the Encoding Living Standard's API

A cross-browser wrapper for the Web Audio API which aims to closely follow the standard.

🚀 🦆 An intergalactic space theme for Vim, Terminal, and more!

some damn DOM fix for this damned browser

A docker sidecar container to forward all traffic to local docker host or any other host

This component provides apcu_* functions and the APCUIterator class to users of the legacy APC extension.

Polyfill URL and URLSearchParams to match last ES7 specifications

HTML5 `FormData` polyfill for Browsers.

Automatic polyfill service.

Bootstrap 4 for IE8 and IE9

Modern DOM functionalities for every browser

CSS variables (Custom Properties) polyfill for IE11

Bootstrap 3 CSS for IE7

A platform-agnostic drawer layout for react-native

Awesome list of open-source startup alternatives to well-known SaaS products 🚀

CSS Custom Paint / Paint Worklet polyfill with special browser optimizations.

Add polyfills to rogchap/v8go

Simple polyfill for URLSearchParams standard