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166 repositories

Function.prototype.name
Public
ES6 spec-compliant Function.prototype.name sham.
javascript polyfill ecmascript
javascript polyfill ecmascript shim
JavaScript
•
MIT License
•8•12•1•1•Updated Jun 11, 2026Jun 11, 2026
iterator-helpers
Public
An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.
javascript polyfill map
javascript polyfill map filter ecmascript iterator drop find foreach reduce
JavaScript
•
MIT License
•2•21•1•0•Updated Jun 10, 2026Jun 10, 2026
String.prototype.trimEnd
Public
ES2019 spec-compliant String.prototype.trimEnd shim
polyfill es6 string
polyfill es6 string proposal ecmascript trim es7 tc39 es8
JavaScript
•
MIT License
•4•5•1•0•Updated Jun 6, 2026Jun 6, 2026
String.prototype.trim
Public
ES5 spec-compliant shim for String.prototype.trim
javascript polyfill string
javascript polyfill string ecmascript trim shim
JavaScript
•
MIT License
•4•13•1•0•Updated Jun 5, 2026Jun 5, 2026
es-object-atoms
Public
ES Object-related atoms: Object, ToObject, RequireObjectCoercible
javascript object ecmascript
javascript object ecmascript toobject toobjectcoercible
JavaScript
•
MIT License
•3•5•1•0•Updated May 22, 2026May 22, 2026
es-abstract
Public
ECMAScript spec abstract operations.
JavaScript
•
MIT License
•31•6•0•1•Updated May 21, 2026May 21, 2026
DisposableStack
Public
An ESnext spec-compliant `DisposableStack`, `AsyncDisposableStack`, `Symbol.dispose`, and `Symbol.asyncDispose` shim/polyfill/replacement that works as far down…
javascript polyfill resource
javascript polyfill resource ecmascript management using shim dispose disposablestack
JavaScript
•
MIT License
•5•38•1•0•Updated May 19, 2026May 19, 2026
es6-shim
Public
ECMAScript 6 compatibility shims for legacy JS engines
JavaScript
•
MIT License
•379•683•0•0•Updated Apr 16, 2026Apr 16, 2026
es-shim-api
Public
API contract, and rudimentary tests, for modules that conform to the *es-shim API*
es-shim
es-shim
JavaScript
•
MIT License
•3•84•1•0•Updated Apr 7, 2026Apr 7, 2026
object-is
Public
ES6-compliant shim for Object.is - differentiates between -0 and +0, and can compare to NaN.
JavaScript
•
MIT License
•8•25•1•0•Updated Mar 18, 2026Mar 18, 2026
object-keys
Public
Object.keys shim
JavaScript
•
MIT License
•17•6•0•0•Updated Mar 18, 2026Mar 18, 2026
get-own-property-symbols
Public
ES6 Object.getOwnPropertySymbols partial polyfill
JavaScript
•
MIT License
•9•23•3•1•Updated Mar 17, 2026Mar 17, 2026
TypedArray.prototype.at
Public
An ES5 spec-compliant `TypedArray.prototype.at` shim/polyfill/replacement that works as far down as ES3
JavaScript
•
MIT License
•1•1•1•0•Updated Mar 16, 2026Mar 16, 2026
Math.atanh
Public
An ES-spec-compliant Math.atanh shim/polyfill/replacement that works as far down as ES3
JavaScript
•
MIT License
•2•3•1•0•Updated Mar 16, 2026Mar 16, 2026
parseInt
Public
An ES-spec-compliant `parseInt` shim/polyfill/replacement that works as far down as ES3
javascript polyfill ecmascript
javascript polyfill ecmascript shim parseint es-shims
JavaScript
•
MIT License
•2•3•1•0•Updated Mar 16, 2026Mar 16, 2026
Set.prototype.intersection
Public
An ESnext spec-compliant `Set.prototype.intersection` shim/polyfill/replacement that works as far down as ES3
javascript polyfill set
javascript polyfill set ecmascript intersection shim es-shims es-shim
JavaScript
•
MIT License
•2•7•1•0•Updated Mar 16, 2026Mar 16, 2026
String.prototype.padEnd
Public
ES spec-compliant shim for String.prototype.padEnd
JavaScript
•
MIT License
•4•10•1•0•Updated Mar 16, 2026Mar 16, 2026
WeakMap.prototype.getOrInsert
Public
ES Proposal spec-compliant shim for WeakMap.prototype.getOrInsert
JavaScript
•
MIT License
•1•0•1•0•Updated Mar 16, 2026Mar 16, 2026
Math.clz32
Public
An ES-spec-compliant Math.clz32 shim/polyfill/replacement that works as far down as ES3
JavaScript
•
MIT License
•2•3•1•0•Updated Mar 10, 2026Mar 10, 2026
Math.asinh
Public
An ES-spec-compliant Math.asinh shim/polyfill/replacement that works as far down as ES3
JavaScript
•
MIT License
•1•0•1•0•Updated Mar 10, 2026Mar 10, 2026
.github
Public
.github repo for es-shims org
JavaScript
•
MIT License
•3•1•0•0•Updated Feb 25, 2026Feb 25, 2026
Promise.prototype.finally
Public
ES Proposal spec-compliant shim for Promise.prototype.finally
JavaScript
•
MIT License
•9•138•2•0•Updated Jan 29, 2026Jan 29, 2026
Promise.withResolvers
Public
ES Proposal spec-compliant shim for Promise.withResolvers
javascript polyfill promise
javascript polyfill promise ecmascript shim deferred defer es-shims withresolvers
JavaScript
•
MIT License
•2•9•1•0•Updated Jan 16, 2026Jan 16, 2026
Array.prototype.push
Public
An ES spec-compliant `Array.prototype.push` shim/polyfill/replacement that works as far down as ES3.
javascript polyfill array
javascript polyfill array ecmascript shim
JavaScript
•
MIT License
•2•0•1•0•Updated Jan 14, 2026Jan 14, 2026
es-arraybuffer-base64
Public
An ES-spec-compliant shim/polyfill/replacement for ArrayBuffer base64 methods that works as far down as ES3
javascript base64 ecmascript
javascript base64 ecmascript arraybuffer
JavaScript
•
MIT License
•4•11•2•0•Updated Jan 13, 2026Jan 13, 2026
Map
Public
An ES2015 spec-compliant `Map` shim/polyfill/replacement that works as far down as ES3.
javascript polyfill map
javascript polyfill map ecmascript shim es-shims
JavaScript
•
MIT License
•2•3•0•0•Updated Jan 13, 2026Jan 13, 2026
Symbol.prototype.description
Public
Spec-compliant shim for Symbol.prototype.description proposal.
javascript polyfill ecmascript
javascript polyfill ecmascript description shim symbol
JavaScript
•
MIT License
•2•6•1•0•Updated Jan 13, 2026Jan 13, 2026
String.raw
Public
An ES-spec-compliant String.raw shim/polyfill/replacement that works as far down as ES3
JavaScript
•
MIT License
•2•4•1•0•Updated Jan 13, 2026Jan 13, 2026
String.prototype.trimStart
Public
ES2019 spec-compliant String.prototype.trimStart shim
polyfill es6 string
polyfill es6 string proposal trim es7 emcascript tc39 es8
JavaScript
•
MIT License
•3•4•1•0•Updated Jan 13, 2026Jan 13, 2026
String.prototype.trimLeft
Public
ES2019 spec-compliant shim for String.prototype.trimLeft.
JavaScript
•
MIT License
•5•8•0•0•Updated Jan 13, 2026Jan 13, 2026

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ECMAScript Shims

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All

166 repositories

Function.prototype.name

iterator-helpers

String.prototype.trimEnd

String.prototype.trim

es-object-atoms

es-abstract

DisposableStack

es6-shim

es-shim-api

object-is

object-keys

get-own-property-symbols

TypedArray.prototype.at

Math.atanh

parseInt

Set.prototype.intersection

String.prototype.padEnd

WeakMap.prototype.getOrInsert

Math.clz32

Math.asinh

.github

Promise.prototype.finally

Promise.withResolvers

Array.prototype.push

es-arraybuffer-base64

Map

Symbol.prototype.description

String.raw

String.prototype.trimStart

String.prototype.trimLeft

All

All

Repositories list

166 repositories