Awesome Ponyfills
A curated list of awesome ponyfills for writing cross-platform and cross-browser code.
This page lists names, links and short descriptions. The original list on GitHub is the source and belongs to its authors.
Articles
Main
core-js-pure
The entire standard library.
In 3 lists
Uncategorised
es6-promise
Promise
In 3 lists
es6-map
Map
es6-weak-map
WeakMap
es6-set
Set
es6-symbol
Symbol
In 2 lists
named-regexp-groups
RegExp
globalthis
globalThis
Numbers
bignumber.js
BigInt
In 3 lists
number-is-nan
Number.isNaN
is-finite
Number.isFinite
In 2 lists
is-integer
Number.isInteger
Strings
indexof
String.prototype.indexOf
string.prototype.trim
String.prototype.trim
string.prototype.trimleft
String.prototype.trimStart
string.prototype.trimright
String.prototype.trimEnd
string.prototype.replaceall
String.prototype.replaceAll
Objects
object.fromentries
Object.fromEntries
object.entries
Object.entries
object-keys
Object.keys
object.values
Object.values
object-assign
Object.assign
In 2 lists
object-is
Object.is
json3
JSON
In 3 lists
Arrays
array-from
Array.from
array.prototype.every
Array.prototype.every
array.prototype.find
Array.prototype.find
In 2 lists
array.prototype.some
Array.prototype.some
array.prototype.flatmap
Array.prototype.flatMap
array-map
Array.prototype.map
array-foreach
Array.prototype.forEach
array-includes
Array.prototype.includes
indexof
String.prototype.indexOf
isarray
Array.isArray
Browser Features
cross-fetch
fetch
cross-blob
Blob
cross-formdata
FormData
abortcontroller-polyfill
AbortController
@fastly/performance-observer-polyfill
PerformanceObserver
performance-now
performance.now
console.table
console.table
webbluetooth
Bluetooth
resize-observer-polyfill
ResizeObserver
webcrypto-shim
crypto
css-vars-ponyfill
CSS variables/custom properties
raf
requestAnimationFrame
xhr2
XMLHttpRequest
Node.js Features
events
EventEmitter
tickedoff
setImmediate
buffer-from
Buffer.from
cross-exit
process.exit
next-tick
process.nextTick
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