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 3.22.7 • a day agopublished 3.22.7 a day 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 3.1.5 • 22 days agopublished 3.1.5 22 days ago

es5-shim

ECMAScript 5 compatibility shims for legacy JavaScript engines

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

ljharb

published 4.6.7 • 22 days agopublished 4.6.7 22 days 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 1.4.3 • a month agopublished 1.4.3 a month 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 1.3.0 • a month agopublished 1.3.0 a month 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 • 8 months agopublished 1.1.5 8 months 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 1.3.0 • a month agopublished 1.3.0 a month 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 • 2 years agopublished 4.1.2 2 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 3.22.7 • a day agopublished 3.22.7 a day ago

object.hasown

ES spec-compliant shim for Object.hasOwn

• Object
• hasOwn
• polyfill
• shim
• es-shim API

ljharb

published 1.1.1 • 20 days agopublished 1.1.1 20 days 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

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 • 8 months agopublished 1.1.5 8 months ago

array.prototype.map

An ES5 spec-compliant `Array.prototype.map` shim/polyfill/replacement that works as far down as ES3.

• Array.prototype.map
• map
• array
• ES5
• shim
• polyfill
• es-shim API

ljharb

published 1.0.4 • 8 months agopublished 1.0.4 8 months ago

function-bind

Implementation of Function.prototype.bind

• function
• bind
• shim
• es5

ljharb

published 1.1.1 • 5 years agopublished 1.1.1 5 years ago

promise.prototype.finally

ES Proposal spec-compliant shim for Promise.prototype.finally

• Promise
• promises
• finally
• promise.prototype.finally
• ES7
• ES8
• ES2017
• shim
• polyfill
• es-shim API

ljharb

published 3.1.3 • 8 months agopublished 3.1.3 8 months ago

es6-shim

ECMAScript 6 (Harmony) compatibility shims for legacy JavaScript engines

• ecmascript
• harmony
• es6
• shim
• promise
• promises
• setPrototypeOf
• map
• set
• __proto__

ljharb

published 0.35.6 • 2 years agopublished 0.35.6 2 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 • 8 months agopublished 3.1.3 8 months ago

string.prototype.trim

ES5 spec-compliant shim for String.prototype.trim

• String.prototype.trim
• string
• ES5
• shim
• trim
• polyfill
• es-shim API

ljharb

published 1.2.6 • a month agopublished 1.2.6 a month ago

object.fromentries

ES proposal-spec-compliant Object.fromEntries shim.

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

ljharb

published 2.0.5 • 8 months agopublished 2.0.5 8 months ago

string.prototype.padstart

ES2017 spec-compliant String.prototype.padStart shim.

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

ljharb

published 3.1.3 • 8 months agopublished 3.1.3 8 months ago