Polyfill Packages

An HTML5 Blob implementation

Polyfill for Object.prototype.assign

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

ES7 polyfill for map.prototype.tojson

A small polyfill for Object.setprototypeof and Object.getPrototypeOf

Polyfill for Node core `events.once

Async Array methods polyfills

Apply smooth scroll to anchor links to replicate CSS scroll-behavior

Polyfill for HTML 5 Canvas features.

An ES2015 spec-compliant `Array.prototype.indexOf` shim/polyfill/replacement that works as far down as ES3.

Essential polyfill for the web

Polyfill for BroadcastChannel for Safari, old Chrome and Opera

Array.prototype.find ES6 polyfill for ES5 versions and lower.

An ES5 spec-compliant `Array.prototype.some` shim/polyfill/replacement that works as far down as ES3.

An ES5 spec-compliant `Array.prototype.every` shim/polyfill/replacement that works as far down as ES3.

Ember cli addon that includes a polyfill for promises if needed.

Polyfill for Function.prototype.bind. (Source from developer.mozilla.org)

The EventTarget Class Polyfill

<h1 align="center" style="border-bottom: none;">🔎 PerformanceObserver Polyfill</h1> <p align="center"> <a href="https://travis-ci.org/fastly/performance-observer-polyfill"> <img alt="Travis" src="https://img.shields.io/travis/fastly/performance-obs

TypeScript typeof utility helper with no dependencies.