Most popular polyfill repositories and open source projects

webcrypto-liner

webcrypto-liner is a polyfill that let's down-level User Agents (like...

24   137   137  

construct-style-sheets

Constructible style sheets/adopted style sheets polyfill

15   134   134  

document.scrollingElement

A polyfill for document.scrollingElement as defined in the CSSOM speci...

19   129   129  

match-media

Universal polyfill for match media API using Expo APIs on mobile

15   126   126  

proposal-array-unique

ECMAScript proposal for Deduplicating method of Array

6   123   123  

touch-action

Disable 300ms delay on mobile using CSS touch-action or asynchronously...

2   119   119  

browser-shims

Browser and JS shims used by Airbnb.

18   118   118  

polyfill-php55

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

4   106   106  

es6-promise-polyfill

ES6 Promise polyfill

68   106   106  

date-time-format-timezone

Surgically polyfills timezone support in Intl.DateTimeFormat API

19   104   104  

scroll-behavior-polyfill

A polyfill for the 'scroll-behavior' CSS-property

17   102   102  

react-suspense-polyfill

Polyfill for the React Suspense API 😮

3   100   100  

shadowrealm-api

🗳️ A implementation of the ShadowRealm API Proposal, a JavaScript sand...

5   97   97  

polyfill

Polyfill implements newer Ruby features into older versions.

3   96   96  

react-native-console-time-polyfill

console.time and console.timeEnd polyfill for react-native

8   96   96  

polyfill-php54

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

2   95   95  

Promise.allSettled

ES Proposal spec-compliant shim for Promise.allSettled

9   95   95  

github-wc-polyfill

Ensure that all GitHub and GitLab scripts required for UXP and SeaMonk...

19   95   95  

bootstrap-ie11

Internet Explorer 11 compatibility solution for Bootstrap 5

15   95   95  

async_generator

Making it easy to write async iterators in Python 3.5

22   94   94  

cookie-store

A polyfill for the Cookie Store API

14   91   91  

FastestSmallestTextEncoderDecoder

The fastest smallest Javascript polyfill for encodeInto of TextEncoder...

28   91   91  

cardboard-vr-display

A JavaScript implementation of a WebVR 1.1 VRDisplay

42   88   88  

vite-plugin-node-polyfills

A Vite plugin to polyfill Node's Core Modules for browser environments...

4   86   86  

IsExternalInit

A source code only package which allows you to use C# 9's init and rec...

4   86   86  

phpTraderNative

A native polyfill of the PHP Trader extension, usable without PECL.

19   85   85  

draggable-polyfill

🌈a beautify polyfill for native drag!

22   85   85  

webpack-polyfill-injector

Webpack plugin to automatically inject polyfills into your bundle with...

9   83   83  

scoper

A polyfill for scoped HTML styles elements

19   82   82  

datetime-picker

A minimal picker for date and time for Polymer, that can use the nativ...

18   79   79  

Polyfill

An artifact repository to assist writing Gradle Plugins for Android bu...

6   79   79  

scoped

Scoped CSS polyfill

5   79   79  

css-anchor-positioning

Polyfill for CSS Anchor Positioning

3   78   78  

web-bluetooth-polyfill

Windows 10 Web Bluetooth Polyfill

15   77   77  

imscJS

JavaScript library for rendering IMSC Text and Image Profile documents...

27   75   75  

mp3-mediarecorder

🎙MediaRecorder ponyfill that records audio as mp3

7   74   74  

idempotent-babel-polyfill

import babel-polyfill multiple times

5   71   71  

Object.values

ES2017 spec-compliant shim for Object.values

7   71   71  

react-native-wasm

A polyfill to use WebAssembly in React Native.

3   70   70  

fromentries

Object.fromEntries() ponyfill (in 6 lines)

17   69   69  

o9n

🖥 A screen.orientation ponyfill

10   67   67  

core2

The bare essentials of std::io for use in no_std. Alloc support is opt...

20   67   67  

form-request-submit-polyfill

2   63   63  

sketch-polyfill-fetch

A fetch polyfill for sketch

22   63   63  

ClipPath

Cross-browser clip-path polyfill

17   62   62  

palefill

Inject Polyfills for various web technologies into pages requiring the...

9   62   62  

lazyfill

Polyfills on demand 💊

0   60   60  

polyfill-php83

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

0   60   60  

dynamic-polyfill

Write modern code and load a polyfill only if the browser does not sup...

2   59   59  

sanitizer-polyfill

rewrite constructor arguments, call DOMPurify, profit

8   59   59