Most popular polyfill repositories and open source projects

es6-harmony

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

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allsettled-polyfill

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

5   7   7  

mysql-escape-string-polyfill

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

1   7   7  

template-parts

Template Parts ponyfill

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ic-wasi-polyfill

The polyfill implementation for WASI functions in the IC environment

1   7   7  

html-webpack-polyfill-runtime-plugin

A HTML Webpack Plugin for auto injecting runtime polyfill script

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external-svg-polyfill

Small and basic polyfill to support referencing external SVG files.

2   6   6  

node-window-polyfill

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

2   6   6  

VideoPlaybackQuality-polyfill

A ponyfill/polyfill for VideoPlaybackQuality.

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object-descriptors

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

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polyfill.lua

Polyfills for Lua and LuaJIT in one file!

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rollup-plugin-polyfill

Rollup Plugin to Include a Polyfill

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placekeeper

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

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String.prototype.trimEnd

ES2019 spec-compliant String.prototype.trimEnd shim

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fledge.polyfill

Fledge Trial Javascript Polyfill

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Pixelated.js

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

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event-submitter-polyfill

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

2   6   6  

Symbol.prototype.description

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

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js-handwriting-2022

js 手写题 2022 版

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react-share-on-social

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

3   6   6  

esbuild-plugins-node-modules-polyfill

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

4   6   6  

DisposableStack

An ESnext spec-compliant `DisposableStack`, `AsyncDisposableStack`, `S...

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url

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

1   5   5  

css-var-shim

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

2   5   5  

Array.prototype.indexOf

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

1   5   5  

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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Array.prototype.filter

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

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Number.isInteger

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

1   5   5  

atomic_ref

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

2   5   5  

dropzone-polyfill

Polyfill for the removed HTML5 dropzone attribute

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String.prototype.trimStart

ES2019 spec-compliant String.prototype.trimStart shim

4   5   5  

CanvasControls

A web module that adds controls to the canvas object

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str-begins-ends

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

0   5   5  

iframe-provider-polyfill

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

2   5   5  

php-enum-cl

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

1   5   5  

win-polyfill

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cordova-plugin-webxr

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

0   5   5  

deno-iterator-helpers

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

0   5   5  

Frontend-Interview-Preparation

To keep frontend interview problems with solution

3   5   5  

error-cause-polyfill

Polyfill `error.cause`

0   5   5  

sepia-speechrecognition-polyfill

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

0   5   5  

ember-destroyable-polyfill

Polyfill for RFC 580: Destroyables

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supermap

Map with superpowers!

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Array.prototype.map

Array.prototype.map spec-compliant polyfill

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web-locks

web-locks API polyfill

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superobject

Object with superpowers!

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ay-dialog

A HTML5 spec-compliant <dialog> polyfill

2   4   4  

spdy-or-http2

Node.js ponyfill for HTTP/2 support (uses native http2 module or falls...

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