ponyfill 开源项目推荐（104 个）

zloirock /core-js

Standard Library

developit /unfetch

🐕 Bare minimum 500b fetch polyfill.

sindresorhus /promise-fun

面向 Promise 的包、模式、聊天和教程

que-etc /resize-observer-polyfill

A polyfill for the Resize Observer API

jhildenbiddle /css-vars-ponyfill

传统和现代浏览器中对CSS自定义属性（又名“CSS变量”）的客户端支持

scroll-into-view /scroll-into-view-if-needed

为“if-needed”和“smooth”等场景提供的 Element.scrollIntoView ponyfill

sindresorhus /ponyfill

像塑料填充物，但小马纯粹

juggle /resize-observer

为 ResizeObserver API 提供兼容性填充。

lgarron /clipboard-polyfill

📋 Simple copying on the web, with maximum browser compatibility. (You probably don't need this anymore!)

dumbmatter /fakeIndexedDB

A pure JS in-memory implementation of the IndexedDB API

mo /abortcontroller-polyfill

Polyfill for the AbortController DOM API and abortable fetch (stub that calls catch, doesn't actually abort request).

MattiasBuelens /web-streams-polyfill

Web Streams, based on the WHATWG spec reference implementation

qubyte /fetch-ponyfill

WHATWG fetch ponyfill

jamiebuilds /tickedoff

Tiny library (<200B gzip) for deferring something by a "tick"

octet-stream /form-data

Spec-compliant FormData implementation for Node.js

elsmr /mp3-mediarecorder

可将音频录制为 MP3 的 MediaRecorder ponyfill

chmanie /o9n

🖥 A screen.orientation ponyfill

feross /fromentries

Object.fromEntries() ponyfill (in 6 lines)

Richienb /awesome-ponyfills

A curated list of awesome ponyfills for writing cross-platform and cross-browser code.

okikio /sharedworker

A small spec. compliant polyfill for SharedWorkers, it acts as a drop in replacement for normal Workers.