ponyfill topic

Element.scrollIntoView ponyfills for things like "if-needed" and "smooth"

scroll-into-view

WHATWG fetch ponyfill

qubyte

A polyfill for the Resize Observer API

que-etc

Polyfills the ResizeObserver API.

juggle

Universal LocalStorage for browser and Node.js.

azu

Object.fromEntries() ponyfill (in 6 lines)

feross

🎙MediaRecorder ponyfill that records audio as mp3

elsmr

🖥 A screen.orientation ponyfill

chmanie

[DEPRECATED] Node.js `os.homedir()` ponyfill

sindresorhus

Spec-compliant FormData implementation for Node.js

octet-stream