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52 items from richienb/awesome-ponyfills ★66
The entire standard library.
Opt-in polyfill. A strict-spec subset of rsvp.js.
BigInt
JSON
Object.assign
ResizeObserver
fetch
CSS variables/custom properties
EventEmitter
Symbol
requestAnimationFrame
AbortController
setImmediate
Bluetooth
Array.prototype.find
globalThis
console.table
Array.isArray
crypto
XMLHttpRequest
Number.isFinite
process.nextTick
Map
Object.values
Object.entries
Set
Object.keys
Array.prototype.includes
String.prototype.replaceAll
Array.prototype.flatMap
