polyfill

HTML5 Drag-and-Drop support for mobile devices (not only for Svelte)

W3C fetch() API polyfill for Taro 3+

Polyfills for projects targeting older versions of .NET

Unified method of retrieving an ImageData instance from an image, in both the browser and Node.js, asynchronously or synchronously

Intrinsicsize-attribute polyfill

Polyfill to provide array.find on IE.

Ironically-named bundle of polyfills for Internet Explorer 8-9.

ES6-compliant shim for Number.isNaN - the global isNaN returns false positives.

Replacement for the ereg legacy php extension

a hexo plugin that use IntersectionObserver API to improve lazyload performance, and medium like effect

JS polyfill CSS property -webkit-line-clamp

A fully spec-compliant polyfill for 'Intl.ListFormat'

fetch-like polyfill for userscript managers

Polyfill for RFC 631 https://emberjs.github.io/rfcs/0631-refresh-method-for-router-service.html

Taro3 runtime polyfill

Tiny, maintained CSS pointer-events polyfill

@babel/preset-env example

Provide __proto__ with some limitations

Polyfill Module for SplType PHP extension. This extension aims at helping people making PHP a stronger typed language and can be a good alternative to...

An ESnext spec-compliant `Array.prototype.groupToMap` shim/polyfill/replacement that works as far down as ES3.

ES6 spec-compliant Function.prototype.name sham.

A jQuery compatible API based on built-in ECMA / W3C polyfill

Drop-in replacement for the child_process NodeJS package

:fork_and_knife: Fork of rfk's project

An Typescript sourced DOMMatrix shim for Node.js apps and legacy browsers.

PostCSS plugin that shims some basic behaviour of the proposed CSS subgrid spec

Finally, a range slider that we all deserve.

A minimum viable shim for module.exports

react polyfills for ref, context and hooks

A fast and lightweight JavaScript Map and WeakMap polyfill microlibrary

:clock1: A drop-in replacement for the timers nodejs module

A Object.defineProperty sham based on VBScript for IE

A spec for an aspect-ratio property in CSS

Miscellaneous polyfills for older PHP versions

Ember.WeakMap Polyfill Addon

WebTransport implementation to fallback to WebSocket if browser does not support it

Polyfill for the SpeechRecognition browser API using AWS Transcribe as a fallback

Fixes missing requestAnimationFrame API in legacy browsers.

An implementation for Array.fromAsync, which dumps an async iterator into an array.

Random Extension Polyfill for PHP

Vite plugin for polyfilling Node.js built-in globals and modules ⚡️

Polyfill for ES8 Object.values

Implement the inertia scroll for `overflow` element. And the polyfill for `overflow:scroll` / `overflow:auto` and `element.scrollLeft` / `element.scro...

Context Menu and Menu Bar polyfill for writing NWJS compatible menus in the browser

ES2019 spec-compliant shim for String.prototype.trimRight.

Array.prototype.every spec-compliant polyfill

Simple polyfill for Promise.allSettled - no dependencies - Uses default implementation if available.

🐳Docker container for the polyfill.io service to serve JavaScript bundles per browser efficiently.

a tool help get size and offset of element for React, support higher-order component and component render.

a very insecure mysql_escape_string implementation for a very limited use case