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core-js

Standard library

• ES3
• ES5
• ES6
• ES7
• ES2015
• ES2016
• ES2017
• ES2018
• ES2019
• ES2020
• ES2021
• ES2022
• ES2023
• ES2024
• View more

zloirock

published 3.38.1 • a month agopublished 3.38.1 a month ago

define-properties

Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.

• Object.defineProperty
• Object.defineProperties
• object
• property descriptor
• descriptor
• define
• ES5

ljharb

published 1.2.1 • a year agopublished 1.2.1 a year 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

es-abstract

ECMAScript spec abstract operations.

• ECMAScript
• ES
• abstract
• operation
• abstract operation
• JavaScript
• ES5
• ES6
• ES7

ljharb

published 1.23.3 • 6 months agopublished 1.23.3 6 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

uglify-js

JavaScript parser, mangler/compressor and beautifier toolkit

• cli
• compress
• compressor
• ecma
• ecmascript
• es
• es5
• javascript
• js
• jsmin
• min
• minification
• minifier
• minify
• View more

alexlamsl

published 3.19.3 • 18 days agopublished 3.19.3 18 days ago

terser

JavaScript parser, mangler/compressor and beautifier toolkit for ES6+

• uglify
• terser
• uglify-es
• uglify-js
• minify
• minifier
• javascript
• ecmascript
• es5
• es6
• es7
• es8
• es2015
• es2016
• View more

fabiosantoscode

published 5.32.0 • 7 days agopublished 5.32.0 7 days ago

function-bind

Implementation of Function.prototype.bind

• function
• bind
• shim
• es5

ljharb

published 1.1.2 • a year agopublished 1.1.2 a year ago

core-js-pure

Standard library

• ES3
• ES5
• ES6
• ES7
• ES2015
• ES2016
• ES2017
• ES2018
• ES2019
• ES2020
• ES2021
• ES2022
• ES2023
• ES2024
• View more

zloirock

published 3.38.1 • a month agopublished 3.38.1 a month ago

json5

JSON for Humans

• json
• json5
• es5
• es2015
• ecmascript

jordanbtucker

published 2.2.3 • 2 years agopublished 2.2.3 2 years ago

regexpu-core

regexpu’s core functionality (i.e. `rewritePattern(pattern, flag)`), capable of translating ES6 Unicode regular expressions to ES5.

• codegen
• desugaring
• ecmascript
• es5
• es6
• harmony
• javascript
• refactoring
• regex
• regexp
• regular expressions
• rewriting
• syntax
• transformation
• View more

nicolo-ribaudo

published 6.0.0 • a year agopublished 6.0.0 a year ago

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 • 6 months agopublished 1.0.4 6 months ago

es-to-primitive

ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.

• primitive
• abstract
• ecmascript
• es5
• es6
• es2015
• toPrimitive
• coerce
• type
• object
• string
• number
• boolean
• symbol
• View more

ljharb

published 1.2.1 • 5 years agopublished 1.2.1 5 years 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 • 6 months agopublished 1.0.7 6 months ago

functions-have-names

Does this JS environment support the `name` property on functions?

• function
• name
• es5
• names
• functions
• ie

ljharb

published 1.2.3 • 2 years agopublished 1.2.3 2 years ago

@zitterorg/aspernatur-pariatur-occaecati

[](https://badge.fury.io/js/@zitterorg/aspernatur-pariatur-occaecati) [](htt

• speed
• includes
• hash
• getopt
• throat
• copy
• fullwidth
• folder
• Symbol.toStringTag
• sns
• getOwnPropertyDescriptor
• every
• Array
• Iterator
• View more

loandinhb931

published 9.8.78 • a month agopublished 9.8.78 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 • 6 months agopublished 1.0.7 6 months ago

@juigorg/nisi-molestiae-ut

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url]

• less mixins
• concatMap
• stdlib
• look-up
• helpers
• Observables
• stable
• WebSockets
• watcher
• jwt
• time
• ES5
• bundling
• sort
• View more

tiengiangb47

published 2.1.31 • 3 months agopublished 2.1.31 3 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

es5-ext

ECMAScript extensions and shims

• ecmascript
• ecmascript5
• ecmascript6
• es5
• es6
• extensions
• ext
• addons
• extras
• harmony
• javascript
• polyfill
• shim
• util
• View more

medikoo

published 0.10.64 • 7 months agopublished 0.10.64 7 months ago