polyfill

A HTML5 spec-compliant <dialog> polyfill

Node.js ponyfill for HTTP/2 support (uses native http2 module or falls back to spdy)

A polyfill written in TypeScript, that adds a pipe method to arrays, allowing developers to implement "short-circuit evaluation" of operations on arra...

ie polyfills (有 bug，待修复，推荐使用 es5-shim, es6-shim, es7-shim)

Bare minimum react app polyfill in 9.6 KB

Includes a polyfill for closest if needed

new Event() polyfill

A polyfill for highlight.js to isolate various syntax themes because of global style pollution.

A polyfill of the Promise, which is written with TypeScript and without any dependence. / 一个用 TypeScript 编写并且不依赖其他包的 Promise polyfill。

A ponyfill for fs.readdir(path, { withFileTypes: true })

A drop in replacement for the console module enable system logging

Polyfill Like components for PowerShell - Single Line Integrations with any Technology Stack

A generator cli for React

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

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

A polyfill of document.registerElement and customElements.define modified to allow elements without a hyphen.

React.memo polyfill

Polyfill for es8 String.prototype.padStart

ES2015 Map like object. Tiny `Map` shim.

SilverWare Datepicker Module

A polyfill to make Cross Browser Support much easier!

Simple performance now polyfill for old browsers and node

Use nosleep.js as a lazy-loaded polyfill for WakeLock API

A polyfill for hrtime.

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

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

An automatic CDN service for Web polyfills, which is based on TypeScript, Node.js & JSDelivr.

An ES-spec-compliant `parseInt` shim/polyfill/replacement that works as far down as ES3

Yet another babel plugin that lets you freely customize polyfills.

A `Number.isNaN` polyfill, based on the ECMAScript 6 specification.

C# polyfills, your way

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

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

ESM module polyfills for nodejs

WASI dependency replacer for the *.wasm files

An ESnext spec-compliant shim/polyfill/replacement for all Well-Known Symbols that works in any environment with Symbols

Compile time polyfill for require.context allowing using it on React-Native

postcss plugin for background rgba polyfill

Provides a polyfill for the old, removed function jQuery.live()

Adds an RSVP-like Promise.hash() method for resolving groups of promises.

An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible.

A pure-JavaScript element query demonstration using data attributes for syntax, and applied via classes

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

Detect if a feature can skip polyfills for ESM builds.

Polyfill for ES8 Object.entries

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

A limited experimental CSS grid polyfill for Internet Explorer 11.

Libraries for enabling the use of modern CSS features in legacy browsers.

classy.js: Object-Oriented mini-framework for JavaScript

A polyfill for allowing usage of the new GM Object API in legacy user scripts