npm

core-js

Standard library

• ES3
• ES5
• ES6
• ES7
• ES2015
• ES2016
• ES2017
• ES2018
• ES2019
• ES2020
• ECMAScript 3
• ECMAScript 5
• ECMAScript 6
• ECMAScript 7
• View more

zloirock

published 3.18.3 • 10 days agopublished 3.18.3 10 days ago

object.values

ES2017 spec-compliant Object.values shim.

• Object.values
• Object.keys
• Object.entries
• values
• ES7
• ES8
• ES2017
• shim
• object
• keys
• entries
• polyfill
• es-shim API

ljharb

published 1.1.5 • 19 days agopublished 1.1.5 19 days ago

object.assign

ES6 spec-compliant Object.assign shim. From https://github.com/es-shims/es6-shim

• Object.assign
• assign
• ES6
• extend
• $.extend
• jQuery
• _.extend
• Underscore
• es-shim API
• polyfill
• shim

ljharb

published 4.1.2 • a year agopublished 4.1.2 a year ago

es5-shim

ECMAScript 5 compatibility shims for legacy JavaScript engines

• shim
• es5
• es5 shim
• javascript
• ecmascript
• polyfill

ljharb

published 4.6.2 • 2 months agopublished 4.6.2 2 months ago

object-is

ES2015-compliant shim for Object.is - differentiates between -0 and +0

• is
• Object.is
• equality
• sameValueZero
• ES6
• ES2015
• shim
• polyfill
• es-shim API

ljharb

published 1.1.5 • 8 months agopublished 1.1.5 8 months ago

util.promisify

Polyfill/shim for util.promisify in node versions < v8

• promisify
• promise
• util
• polyfill
• shim
• util.promisify

ljharb

published 1.1.1 • 9 months agopublished 1.1.1 9 months ago

array-includes

An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.

• Array.prototype.includes
• includes
• array
• ES7
• shim
• polyfill
• contains
• Array.prototype.contains
• es-shim API

ljharb

published 3.1.4 • 18 days agopublished 3.1.4 18 days ago

object.entries

ES2017 spec-compliant Object.entries shim.

• Object.entries
• Object.values
• Object.keys
• entries
• values
• ES7
• ES8
• ES2017
• shim
• object
• keys
• polyfill
• es-shim API

ljharb

published 1.1.5 • 19 days agopublished 1.1.5 19 days ago

string.prototype.trimend

ES2019 spec-compliant String.prototype.trimEnd shim.

• es6
• es7
• es8
• javascript
• prototype
• polyfill
• utility
• trim
• trimLeft
• trimRight
• trimStart
• trimEnd
• tc39

ljharb

published 1.0.4 • 8 months agopublished 1.0.4 8 months ago

string.prototype.trimstart

ES2019 spec-compliant String.prototype.trimStart shim.

• es6
• es7
• es8
• javascript
• prototype
• polyfill
• utility
• trim
• trimLeft
• trimRight
• trimStart
• trimEnd
• tc39

ljharb

published 1.0.4 • 8 months agopublished 1.0.4 8 months ago

array.prototype.flat

An ES2019 spec-compliant `Array.prototype.flat` shim/polyfill/replacement that works as far down as ES3.

• Array.prototype.flatten
• Array.prototype.flat
• flatten
• flat
• array
• ESnext
• shim
• polyfill
• flatMap
• Array.prototype.flatMap
• es-shim API

ljharb

published 1.2.5 • 21 days agopublished 1.2.5 21 days ago

array.prototype.flatmap

An ES2019 spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.

• Array.prototype.flatMap
• flatMap
• array
• ESnext
• shim
• polyfill
• flatten
• Array.prototype.flatten
• es-shim API

ljharb

published 1.2.5 • 21 days agopublished 1.2.5 21 days ago

has-symbols

Determine if the JS environment has Symbol support. Supports spec, or shams.

• Symbol
• symbols
• typeof
• sham
• polyfill
• native
• core-js
• ES6

ljharb

published 1.0.2 • 8 months agopublished 1.0.2 8 months ago

object-assign

ES2015 `Object.assign()` ponyfill

• object
• assign
• extend
• properties
• es2015
• ecmascript
• harmony
• ponyfill
• prollyfill
• polyfill
• shim
• browser

sindresorhus

published 4.1.1 • 5 years agopublished 4.1.1 5 years ago

core-js-pure

Standard library

• ES3
• ES5
• ES6
• ES7
• ES2015
• ES2016
• ES2017
• ES2018
• ES2019
• ES2020
• ECMAScript 3
• ECMAScript 5
• ECMAScript 6
• ECMAScript 7
• View more

zloirock

published 3.18.3 • 10 days agopublished 3.18.3 10 days ago

setprototypeof

A small polyfill for Object.setprototypeof

• polyfill
• object
• setprototypeof

wesleytodd

published 1.2.0 • 2 years agopublished 1.2.0 2 years ago

path-parse

Node.js path.parse() ponyfill

• path
• paths
• file
• dir
• parse
• built-in
• util
• utils
• core
• ponyfill
• polyfill
• shim

jbgutierrez

published 1.0.7 • 5 months agopublished 1.0.7 5 months ago

regexp.prototype.flags

ES6 spec-compliant RegExp.prototype.flags shim.

• RegExp.prototype.flags
• regex
• regular expression
• ES6
• shim
• flag
• flags
• regexp
• RegExp#flags
• polyfill
• es-shim API

ljharb

published 1.3.1 • 9 months agopublished 1.3.1 9 months ago

raf

requestAnimationFrame polyfill for node and the browser

• requestAnimationFrame
• polyfill

cmtegner

published 3.4.1 • 3 years agopublished 3.4.1 3 years ago

string.prototype.padend

ES2017 spec-compliant String.prototype.padEnd shim.

• String.prototype.padRight
• String.prototype.padEnd
• string
• ES2017
• ES8
• shim
• trim
• padLeft
• padRight
• padStart
• padEnd
• polyfill
• es-shim API

ljharb

published 3.1.3 • 18 days agopublished 3.1.3 18 days ago