Most popular polyfill repositories and open source projects

Emik.Net20Records Emik03 C#

Adds C# 9/10's record/record struct support for .NET Framework 2, 3, and 3.5.

2 0 2

next-range-slider AbhinavRobinson TypeScript

Minimal react component for range slider made for NextJS.

2 1 2

promise.any2 lete114 JavaScript

Promise.any() implementation

2 0 2

ArrayBuffer.prototype.detached es-shims JavaScript

ES Proposal spec-compliant shim for ArrayBuffer.prototype.detached

2 2 2

Set es-shims JavaScript

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

2 1 2

local-storage-polyfill mswjs TypeScript

The "localStorage" polyfill for Node.js.

2 2 2

sturdy-giggle dpthegrey TypeScript

Typescript React Fitness Application

2 1 2

es.shim bytedo JavaScript

实现部分新API, 以及一些常用的扩展方法。 nodejs和浏览器通用,

2 0 2

WithHook Ir1s666 TypeScript

React hoos for low version React(lower than 16.8), which can be used in class components

2 0 2

array-buffer-byte-length inspect-js JavaScript

Get the byte length of an ArrayBuffer, even in engines without a `.byteLength` method.

2 0 2

YmExternalAPI Night-Soft JavaScript

externalAPI polyfill для нового дизайна (2025) Яндекс Музыки

2 0 2

shai-hulud-scanner nxgn-kd01 Shell

Detect the Shai Hulud 2.0 npm supply chain attack (796+ packages). Scans for malicious files, hashes, and compromised ecosystems. Fast, accurate scann...

2 0 2

ModernCSBridgeUnity Braneloc C#

Allows records and latest C# versions (C#10) in Unity 6000

2 0 2

Intersection-observer-polyfill AmKreta JavaScript

Intersection observer like api built from scratch

2 0 2

codemod-polyfill telus-oss TypeScript

This codemod detects https://cdn.polyfill.io‎ and replaces it with https://cdnjs.cloudflare.com/polyfill/v3/polyfill.min.js?version=4.8.0

2 0 2

ts-regexp-escape shahradelahi TypeScript

🛡️ Isomorphic Stage 4 RegExp.escape polyfill.

2 0 2

register RAMEY2 JavaScript

🌐 Register your unique subdomain on `is-an-ai.dev` easily and for free by following simple steps in our open source project.

2 1 2

fetch-with-file-support jcbhmr TypeScript

📂 fetch() but with support for file:///my/file.txt URLs

2 0 2

happy-codec JiangJie TypeScript

Zero-dependency codec library for UTF-8, Base64, Hex and ByteString encoding/decoding.

2 1 2

PolyQ jynxbt TypeScript

Framework-agnostic DX toolkit — auto-polyfills, schema sync, codegen, and workspace orchestration for EVM and SVM dApps.

2 0 2

money_format_polyfill boenrobot PHP

A polyfill for PHP's money_format() function, intended for Windows.

1 3 1

polyfillr yoriiis JavaScript

Polyfillr dynamically load polyfills with dynamic import before start your application

1 0 1

create-html-document-polyfill kapouer JavaScript

createHTMLDocument polyfill and IE 11 fixer

1 1 1

js.polyfill.preload.onload exiguus JavaScript

A <link rel="preload"> Polyfill. Call the onload event, also in unsupported Browser.

1 0 1

template-tag-polyfill.js erovas JavaScript

Full functionality polyfill for template tag for IE11+

1 0 1

php-msgpack WyriHaximus PHP

ext-msgpack polyfill using rybakit/msgpack

1 0 1

setting-up-webpack-babel rahimoddin JavaScript

A guide to setup ES6 development environment with Babel 7 + Webpack

1 0 1

String.prototype.at es-shims JavaScript

An ES-spec-compliant (proposed) `String.prototype.at`shim/polyfill/replacement that works as far down as ES3.

1 2 1

mjs-math Dietatko JavaScript

Partial Math object polyfill for mJS engine

1 0 1

wrap-es5 f1yn JavaScript

A primitive module polyfill for shared methods and namespace preservation

1 0 1

IteratorHelpers DjDeveloperr TypeScript

Polyfill for the Iterator Hepers proposal.

1 0 1

ns abrudz

Models for namespace related language extensions

1 0 1

utils-get-prototype-of stdlib-js JavaScript

Return the prototype of a provided object.

1 0 1

ie11-usual-polyfills masx200 JavaScript

常用的IE11的polyfills

1 0 1

gulp-polyfit lovetingyuan JavaScript

Generate the polyfill file by collecting the polyfill marks in the comment

1 0 1

react-svg-use-external alexcanessa JavaScript

A React library that enables external SVG <use> references in all browsers that support SVG

1 1 1

labelMD neodigm JavaScript

Label Material Design | A placeholder > label polyfill for existing legacy INPUT elements.

1 0 1

Async-Await DanielHerr JavaScript

Polyfill for async functions and await that allows yield to be used for await.

1 0 1

jsbuddy shakasan Shell

Help to create a new JS project and add necessary files, deps and configs...

1 0 1

ES6_TO_IE11 rafalfaro18 JavaScript

Compile ES6 javascript to work with the browser Internet Explorer 11

1 0 1

math-base-special-acosh stdlib-js Python

Compute the hyperbolic arccosine of a number.

1 0 1

webpack-polyfill-plugin bipboys TypeScript

Node polyfills for webpack

1 0 1

path-resolve BTOdell JavaScript

A browser polyfill for Node.js path.resolve

1 0 1

String.prototype.padStart RockoDev JavaScript

Polyfill for String.prototype.padStart()

1 0 1

ruwork-polyfill-form-dti-bundle ruvents PHP

Symfony Form DateTimeImmutable Polyfill Bundle

1 0 1

dffrnt.utils DFFR-NT JavaScript

A collection of useful API Utilities & PolyFills

1 0 1

dynamically-polyfill-features-for-a-script willstocks JavaScript

A small, lightweight script to check for native browser feature support - only polyfill when necessary, no wasted requests on browsers that have nativ...

1 1 1

math-base-special-fast-asinh stdlib-js Python

Compute the hyperbolic arcsine of a number.

1 0 1

blobject-fit Blobfolio JavaScript

A lightweight, dependency-free object-fit polyfill.

1 0 1

diy-promise dongyuanxin JavaScript

1 1 1

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Repositories (905)