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  

date-time-format-timezone

Surgically polyfills timezone support in Intl.DateTimeFormat API

19   104   104  

es6-promise-polyfill

ES6 Promise polyfill

69   102   102  

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  

async_generator

Making it easy to write async iterators in Python 3.5

22   94   94  

bootstrap-ie11

Internet Explorer 11 compatibility solution for Bootstrap 5

18   93   93  

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  

IsExternalInit

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

4   86   86  

vite-plugin-node-polyfills

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

4   86   86  

phpTraderNative

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

19   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  

scoped

Scoped CSS polyfill

5   79   79  

Polyfill

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

6   79   79  

css-anchor-positioning

Polyfill for CSS Anchor Positioning

3   78   78  

web-bluetooth-polyfill

Windows 10 Web Bluetooth Polyfill

15   77   77  

datetime-picker

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

18   76   76  

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  

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  

idempotent-babel-polyfill

import babel-polyfill multiple times

5   69   69  

fromentries

Object.fromEntries() ponyfill (in 6 lines)

17   67   67  

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  

sketch-polyfill-fetch

A fetch polyfill for sketch

22   63   63  

form-request-submit-polyfill

2   63   63  

ClipPath

Cross-browser clip-path polyfill

19   62   62  

palefill

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

9   62   62  

draggable-polyfill

🌈a beautify polyfill for native drag!

19   60   60  

lazyfill

Polyfills on demand 💊

0   60   60  

polyfill-php83

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

0   60   60  

sanitizer-polyfill

rewrite constructor arguments, call DOMPurify, profit

8   59   59  

css_grid_annotator

Automatically annotate CSS Grid items with row and column positions, s...

5   58   58