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core-js

Standard library

• ES3
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zloirock

published 3.38.1 • a month agopublished 3.38.1 a month 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 1.0.8 • 6 months agopublished 1.0.8 6 months 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 1.0.8 • 6 months agopublished 1.0.8 6 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 1.2.9 • 6 months agopublished 1.2.9 6 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 3.1.8 • 6 months agopublished 3.1.8 6 months 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 1.2.0 • 6 months agopublished 1.2.0 6 months 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 2.0.8 • 6 months agopublished 2.0.8 6 months ago

globalthis

ECMAScript spec-compliant polyfill/shim for `globalThis`

• window
• self
• global
• globalThis
• System.global
• global object
• global this value
• ECMAScript
• es-shim API
• polyfill
• shim

ljharb

published 1.0.4 • 5 months agopublished 1.0.4 5 months 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 1.1.8 • 6 months agopublished 1.1.8 6 months ago

array.prototype.findlastindex

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

• Array.prototype.findLastIndex
• find
• findLast
• findLastIndex
• array
• ESnext
• shim
• polyfill
• last
• es-shim API

ljharb

published 1.2.5 • 6 months agopublished 1.2.5 6 months ago

array.prototype.tosorted

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

• javascript
• ecmascript
• shim
• polyfill
• es-shim API
• array
• sort
• sorted
• toSorted

ljharb

published 1.1.4 • 4 months agopublished 1.1.4 4 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 1.5.2 • 7 months agopublished 1.5.2 7 months ago

object.groupby

An ESnext spec-compliant `Object.groupBy` shim/polyfill/replacement that works as far down as ES3.

• ecmascript
• javascript
• polyfill
• shim
• es-shim API
• array
• object
• group
• groupBy

ljharb

published 1.0.3 • 6 months agopublished 1.0.3 6 months ago

es-iterator-helpers

An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.

• javascript
• ecmascript
• polyfill
• shim
• es-shims
• es-shim API
• Iterator
• helpers
• from
• map
• filter
• take
• drop
• flatMap
• View more

ljharb

published 1.0.19 • 5 months agopublished 1.0.19 5 months ago

reflect.getprototypeof

An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible

• Reflect.getPrototypeOf
• Object.getPrototypeOf
• proto
• __proto__
• [[Prototype]]
• getPrototypeOf
• ES5
• shim
• polyfill
• es-shim API
• browser

ljharb

published 1.0.6 • 6 months agopublished 1.0.6 6 months ago

array.prototype.findlast

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

• Array.prototype.findLast
• find
• findLast
• array
• ESnext
• shim
• polyfill
• last
• es-shim API

ljharb

published 1.2.5 • 6 months agopublished 1.2.5 6 months ago

web-streams-polyfill

Web Streams, based on the WHATWG spec reference implementation

• streams
• whatwg
• polyfill

mattiasbuelens

published 4.0.0 • 7 months agopublished 4.0.0 7 months ago

arraybuffer.prototype.slice

ES spec-compliant shim for ArrayBuffer.prototype.slice

• javascript
• ecmascript
• ArrayBuffer.prototype.slice
• polyfill
• shim
• ArrayBuffer
• array
• buffer
• ArrayBuffer#slice
• slice
• typed array
• es-shim API

ljharb

published 1.0.3 • 7 months agopublished 1.0.3 7 months ago

array-buffer-byte-length

Get the byte length of an ArrayBuffer, even in engines without a `.byteLength` method.

• shim
• polyfill
• ArrayBuffer
• byteLength
• byte
• length
• es-shim API
• es-shims

ljharb

published 1.0.1 • 8 months agopublished 1.0.1 8 months 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 4.1.5 • 10 months agopublished 4.1.5 10 months ago