Polyfill Packages

Retrieves the language information saved in window.navigator.languages in a backwards compatible way.

A pattern for polymer elements to create a picker for an input

A screen.orientation ponyfill 🖥

A jquery polyfill for the old, removed $.live() method

React component that add window.Intl support before rendering if the browser doesn't have it

shim.js is the a collection of UMD modules that shim (aka "polyfill") old environments to support modern (aka "ES5-ish" and "ES6-ish") javascript.

A super strict shim/polyfill for DOMTokenList

Polyfill for the kv-storage Built-in Module

A pure JavaScript CORS alternative

Polyfill for the Proxy object

The fast, lightweight and reliable polyfill for responsive images (i.e. picture element and the srcset, sizes and media attributes). With a smart resource selection algorithm, that saves bandwidth.

A shadow-dom ponyfill

fs.promises polyfill

StereoPannerNode for legacy Web Audio API

Load web component polyfills using dynamic imports

importModule() is a polyfill of import().

JS polyfill CSS property -webkit-line-clamp

ClipPath

This is a polyfill of the ES6 Promise for Cordova.

ES6 Symbol polyfill in pure ES5