Most popular polyfill repositories and open source projects

utils-index-of stdlib-js JavaScript

Return the first index at which a given element can be found.

2 0 2

Collections HowProgrammingWorks JavaScript

Different types of Associative Collections

2 5 19

math-base-special-truncf stdlib-js Python

Round a single-precision floating-point number toward zero.

2 0 2

math-base-special-trunc stdlib-js Python

Round a double-precision floating-point number toward zero.

2 0 2

polyfill-newrelic killmails PHP

Killmails polyfill for the New Relic PHP extension

2 0 2

CORS.js ShirtlessKirk JavaScript

Cross Origin Resource Sharing library that works on (probably) every browser

2 1 1

Array.prototype.forEach es-shims JavaScript

Array.prototype.forEach spec-compliant polyfill

2 4 3

Event-constructor-polyfill.js erovas JavaScript

Polyfill Event constructor for Internet Explorer 11

2 0 1

kphpunit VKCOM PHP

KPHP polyfill-like package for the PHPUnit.

2 0 2

math-base-special-acsch stdlib-js Python

Compute the hyperbolic arccosine of a number.

2 0 2

umbraco-polyfill leekelleher C#

[ARCHIVED] Polyfills for Umbraco packages multi-targeting both v8 and v9

2 1 1

Emik.Net20Records Emik03 C#

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

2 0 1

next-range-slider AbhinavRobinson TypeScript

Minimal react component for range slider made for NextJS.

2 1 1

promise.any2 lete114 JavaScript

Promise.any() implementation

2 0 1

ArrayBuffer.prototype.detached es-shims JavaScript

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

2 2 3

Set es-shims JavaScript

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

2 2 4

local-storage-polyfill mswjs TypeScript

The "localStorage" polyfill for Node.js.

2 2 0

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 1 1

ModernCSBridgeUnity Braneloc C#

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

2 0 1

Intersection-observer-polyfill AmKreta JavaScript

Intersection observer like api built from scratch

2 0 1

codemod-polyfill telus-labs 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 1

ts-regexp-escape shahradelahi TypeScript

🛡️ Isomorphic Stage 4 RegExp.escape polyfill.

2 0 1

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 1

happy-codec JiangJie TypeScript

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

2 1 0

editcontext-polyfill neftaly TypeScript

Polyfill for the EditContext API in Firefox and Webkit

2 0 0

expo-opfs pubkey TypeScript

OPFS polyfill for expo based on the Expo Filesystem API.

2 0 0

network-information-api-polyfill esroyo TypeScript

Polyfill for navigator.connection Network Information API

2 1 0

scroll-focus-polyfill Th3S4mur41 JavaScript

A tiny polyfill for browsers that cannot focus a scrollable element (notably affecting keyboard accessibility of horizontally scrollable `<pre>` block...

2 0 0

Math.sumPrecise es-shims JavaScript

An ES-spec-compliant Math.sumPrecise shim/polyfill/replacement that works as far down as ES3

2 1 4

PolyQ jynxbt TypeScript

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

2 0 0

WebMCP-polyfill webfuse-com TypeScript

WebMCP polyfill

2 3 0

matchall-starts-at BYOJS JavaScript

Hopeful/future polyfill: add start-index behavior to matchAll() regex/string matching

2 0 0

money_format_polyfill boenrobot PHP

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

1 3 2

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

php-msgpack WyriHaximus Makefile

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 3 3

mjs-math Dietatko JavaScript

Partial Math object polyfill for mJS engine

1 0 2

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 2

ie11-usual-polyfills masx200 JavaScript

常用的IE11的polyfills

1 0 0

gulp-polyfit lovetingyuan JavaScript

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

1 0 1

polyfill

Repositories (922)