Most popular polyfill repositories and open source projects

mysql-escape-string-polyfill

a very insecure mysql_escape_string implementation for a very limited...

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util

A drop-in replacement for the util NodeJS module

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Reflect.ownKeys

ES2015 spec-compliant shim for Reflect.ownKeys

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allsettled-polyfill

Simple polyfill for Promise.allSettled - no dependencies - Uses defaul...

5   7   7  

js-polyfill-docker

🐳Docker container for the polyfill.io service to serve JavaScript bun...

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es6-harmony

:zap: ES6 equivalent implimentation in ES5 for old JavaScript engines

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html-webpack-polyfill-runtime-plugin

A HTML Webpack Plugin for auto injecting runtime polyfill script

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Symbol.prototype.description

Spec-compliant shim for Symbol.prototype.description proposal.

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fledge.polyfill

Fledge Trial Javascript Polyfill

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external-svg-polyfill

Small and basic polyfill to support referencing external SVG files.

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esbuild-plugins-node-modules-polyfill

An esbuild plugin to polyfill nodejs builtin modules for the browser.

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node-window-polyfill

Polyfill for the problem 'window is not defined' in node.js

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String.prototype.trimEnd

ES2019 spec-compliant String.prototype.trimEnd shim

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js-handwriting-2022

js 手写题 2022 版

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VideoPlaybackQuality-polyfill

A ponyfill/polyfill for VideoPlaybackQuality.

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react-share-on-social

Native sharing using the Web Share API if supported, a beautiful fallb...

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Pixelated.js

A polyfill for the "image-rendering: pixelated" CSS property

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placekeeper

Placekeeper is a HTML5 placeholder attribute polyfill for old browsers...

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rollup-plugin-polyfill

Rollup Plugin to Include a Polyfill

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object-descriptors

A pretty well typed function to get object property descriptors. `Obje...

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event-submitter-polyfill

A polyfill for submitter property of <form /> Submit Event, which is w...

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polyfill.lua

Polyfills for Lua and LuaJIT in one file!

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deno-iterator-helpers

Strict and wrapper version implementation for https://github.com/tc39/...

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php-enum-cl

Compatibility layer for emulating enumerations in PHP < 8.1 and use na...

1   5   5  

sepia-speechrecognition-polyfill

A polyfill for SpeechRecognition built to function with a SEPIA STT se...

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iframe-provider-polyfill

A polyfill drop-in script that provides a web3 and ethereum object on...

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str-begins-ends

Provides functions to test whether a string begins or ends with a cert...

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win-polyfill

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url

Polyfill for URL and URLSearchParams conforming the implementation of...

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CanvasControls

A web module that adds controls to the canvas object

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dropzone-polyfill

Polyfill for the removed HTML5 dropzone attribute

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cordova-plugin-webxr

Add AR content to your iOS app using the WebXR Device API

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atomic_ref

Header-only implementation of std::atomic_ref for C++14

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css-var-shim

A shim to provide basic functionality to IE/Edge for changing custom p...

2   5   5  

error-cause-polyfill

Polyfill `error.cause`

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Array.prototype.indexOf

An ES2015 spec-compliant `Array.prototype.indexOf` shim/polyfill/repla...

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Number.isInteger

An ES-spec-compliant Number.isInteger shim/polyfill/replacement that w...

1   5   5  

Array.prototype.filter

Simple ES6 Array.prototype.filter polyfill for older environments.

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String.prototype.trimStart

ES2019 spec-compliant String.prototype.trimStart shim

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pimped-proxy

Comprehensive and simple Proxy implementation for ECMAScript

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eqcss-compiler

A compiler to turn EQCSS syntax into equivalent (vanilla) JavaScript

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yaj

Yet another jQuery Replacement (lightweight and polyfill)

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Frontend-Interview-Preparation

To keep frontend interview problems with solution

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wasi2ic

WASI dependency replacer for the *.wasm files

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Math.imul

An ES-spec-compliant Math.imul shim/polyfill/replacement that works as...

1   4   4  

Array.prototype.findLast

An ESnext spec-compliant `Array.prototype.findLast` shim/polyfill/repl...

1   4   4  

wakelock-lazy-polyfill

Use nosleep.js as a lazy-loaded polyfill for WakeLock API

0   4   4  

esm-polyfills

ESM module polyfills for nodejs

0   4   4  

Taro-Fetch-polyfill

W3C fetch() API polyfill for Taro 3+

0   4   4  

array-from-async

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

0   4   4