Search results

array.prototype.filter

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

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

ljharb

published 1.0.4 • a month agopublished 1.0.4 a month 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 • a month agopublished 1.2.5 a month 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 1.1.6 • 2 months agopublished 1.1.6 2 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 1.0.3 • 2 years agopublished 1.0.3 2 years ago

object.getownpropertydescriptors

ES2017 spec-compliant shim for `Object.getOwnPropertyDescriptors` that works in ES5.

• Object.getOwnPropertyDescriptors
• descriptor
• property descriptor
• ES8
• ES2017
• shim
• polyfill
• getOwnPropertyDescriptor
• es-shim API

ljharb

published 2.1.8 • a month agopublished 2.1.8 a month ago

array.prototype.toreversed

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

• ecmascript
• javascript
• polyfill
• shim
• es-shim API
• array
• reverse
• toReversed
• reversed

ljharb

published 1.1.2 • 8 months agopublished 1.1.2 8 months ago

object-keys

An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shim

• Object.keys
• keys
• ES5
• shim

ljharb

published 1.1.1 • 5 years agopublished 1.1.1 5 years ago

core-js-pure

Standard library

• ES3
• ES5
• ES6
• ES7
• ES2015
• ES2016
• ES2017
• ES2018
• ES2019
• ES2020
• ES2021
• ES2022
• ES2023
• ECMAScript 3
• View more

zloirock

published 3.37.0 • 10 days agopublished 3.37.0 10 days ago

es-aggregate-error

ES Proposal spec-compliant shim for AggregateError

• AggregateError
• Error
• aggregate
• errors
• nativeerror
• es-shim API
• shim
• polyfill

ljharb

published 1.0.13 • a month agopublished 1.0.13 a month ago

array.prototype.reduce

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

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

ljharb

published 1.0.7 • a month agopublished 1.0.7 a month 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 3.1.6 • a month agopublished 3.1.6 a month 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 1.0.7 • a month agopublished 1.0.7 a month ago

object-assign

ES2015 `Object.assign()` ponyfill

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

sindresorhus

published 4.1.1 • 7 years agopublished 4.1.1 7 years 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 3.1.6 • a month agopublished 3.1.6 a month 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 3.1.8 • 3 months agopublished 3.1.8 3 months ago

symbol.prototype.description

Spec-compliant shim for Symbol.prototype.description proposal.

• polyfill
• shim
• es
• ecmascript
• symbol
• description

ljharb

published 1.0.6 • 2 months agopublished 1.0.6 2 months ago

util.promisify

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

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

ljharb

published 1.1.2 • a year agopublished 1.1.2 a year ago

promise.allsettled

ES Proposal spec-compliant shim for Promise.allSettled

• Promise
• promises
• allsettled
• settled
• fulfilled
• resolved
• rejected
• promise.allsettled
• shim
• polyfill
• es-shim
• API

ljharb

published 1.0.7 • 8 months agopublished 1.0.7 8 months ago

@petamoriken/float16

IEEE 754 half-precision floating-point for JavaScript

• float16
• binary16
• FP16
• half-precision
• ieee754
• Float16Array
• TypedArray
• DataView
• getFloat16
• setFloat16
• f16round
• ponyfill
• shim

petamoriken

published 3.8.6 • 2 months agopublished 3.8.6 2 months ago

is-nan

ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.

• is
• NaN
• not a number
• number
• isNaN
• ES6
• ES2015
• shim
• polyfill
• es-shim API

ljharb

published 1.3.2 • 3 years agopublished 1.3.2 3 years ago