polyfill

JQuery Polyfill for browsers without form attribute support

Polyfill that enables HTML5 drag drop support on mobile (touch) devices

An ES-spec-compliant Number.prototype.toExponential shim/polyfill/replacement that works as far down as ES3

An ES-spec-compliant Math.log10 shim/polyfill/replacement that works as far down as ES3

An ES-spec-compliant shim/polyfill/replacement for the Annex B String.prototype HTML methods that works as far down as ES3

ES spec-compliant Array.prototype.concat shim/polyfill/replacement that works as far down as ES3

Compute the hyperbolic cotangent of a number.

Compute the arcsine of a number.

ie-polyfill

Custom polyfill for each browser via User-Agent, powered by Vercel and polyfill-library

Compute the hyperbolic arcsecant of a number.

Polyfill for Intl.supportedValuesOf

Modern Javascript methods (ES6+) for the Earth Engine Code Editor

comroid common Java API

A Sass polyfill for flex-gap CSS property.

PHP 8.0 functions for PHP 7.

ES spec-compliant `Array.prototype.slice` shim/polyfill/replacement that works as far down as ES3

playground for polyfill

Polyfill browser mobile APIs using cordova

⚡ bundle core-js polyfills for webpack projects

ECMAScript Proposal spec-compliant ponyfill for AggregateError

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

A source code package which makes StringSyntaxAttribute available to target frameworks older than .NET 7.

A polyfill for the the beforescriptexecute event.

polyfilling the new array.prototype.group function

Create repeated text patterns with a fast and unique string concatenating algorithm.

🖥️ Node.js indexedDB API using an SQLite backend

❄️ The BroadcastChannel polyfill for Firefox 29+ and Chrome 5+.

🗨️ prompt() and friends for Node.js

A simple web based crypto wallet

📞 Demo extension for WhatsApp, using SvelteKit

Polyfill for the EditContext API in Firefox and Webkit

💪🔢 @gsknnft/bigint-buffer: Secure Buffer Utilities BigInt

until :active-view-transition-type is baseline, rewrite it to check for css classes on :root, which can be automatically set using mayStartViewTransit...

A simple module for fixing the height issue in mobile browsers where the address bar is visible, and the content does not fill the full height of the...

A polyfill for Symbol.metadata to support TC39 Decorator Metadata Proposal

PHP 8 legacy compatibility layer to fix removed and deprecated functions (create_function, each, ereg, etc.) in WordPress, Laravel, Symfony and legacy...

⚙️ Enhance legacy .NET apps with modern, high-performance polyfills for missing BCL APIs, boosting clarity and efficiency without allocations.

A set of utilities to mimic common JS polyfills needed for translating projects from JS to Luau. But for pure Luau and pesde

Convert ES6+ JavaScript to ES5 for better browser compatibility with this online tool. Easily upload files, batch convert, and download your code. 🐙...

Blazing fast universal TextEncoder and TextDecoder ponyfills.

Quality of Life changes for AEM

Polyfill/extension for CSS text-wrap: pretty to bias against breaks after minor words and apply safe typographic joins.

✨ Enhance text layout with this CSS polyfill, minimizing line breaks after minor words for clear, locale-aware typesetting in your web projects.

Performant platform-agnostic ponyfills for `atob` and `btoa`.

Ponyfills for URL and URLSearchParams from the WHATWG URL Standard.

Fallback for Hexo Next theme to supports old browsers

OPFS polyfill for expo based on the Expo Filesystem API.

Chrome / Firefox Extension TypeScript Starter

Polyfill for navigator.connection Network Information API