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--- visibility: public --- # Ponyfills **repo:** [Richienb/awesome-ponyfills](https://github.com/Richienb/awesome-ponyfills) **category:** [[programming-languages|Programming Languages]] --- ## Contents - [Articles](#articles) - [Main](#main) - [Uncategorised](#uncategorised) - [Numbers](#numbers) - [Strings](#strings) - [Objects](#objects) - [Arrays](#arrays) - [Browser Features](#browser-features) - [Node.js Features](#nodejs-features) ## Articles - [Polyfills or Ponyfills?](https://ponyfoo.com/articles/polyfills-or-ponyfills) ## Main - ⭐️ [core-js-pure](https://github.com/zloirock/core-js) - The entire standard library. ## Uncategorised - [es6-promise](https://github.com/stefanpenner/es6-promise) - [`Promise`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise) - [es6-map](https://github.com/medikoo/es6-map) - [`Map`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map) - [es6-weak-map](https://github.com/medikoo/es6-weak-map) - [`WeakMap`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap) - [es6-set](https://github.com/medikoo/es6-set) - [`Set`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set) - [es6-symbol](https://github.com/medikoo/es6-symbol) - [`Symbol`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol) - [named-regexp-groups](https://github.com/commenthol/named-regexp-groups) - [`RegExp`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp) - [globalthis](https://github.com/ljharb/System.global) - [`globalThis`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/globalThis) ## Numbers - [bignumber.js](https://github.com/MikeMcl/bignumber.js) - [`BigInt`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt) - [number-is-nan](https://github.com/sindresorhus/number-is-nan) - [`Number.isNaN`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isNaN) - [is-finite](https://github.com/sindresorhus/is-finite) - [`Number.isFinite`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isFinite) - [is-integer](https://github.com/parshap/js-is-integer) - [`Number.isInteger`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger) ## Strings - [indexof](https://github.com/component/indexof) - [`String.prototype.indexOf`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/indexOf) - [string.prototype.trim](https://github.com/es-shims/String.prototype.trim) - [`String.prototype.trim`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/Trim) - [string.prototype.trimleft](https://github.com/es-shims/String.prototype.trimleft) - [`String.prototype.trimStart`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/TrimStart) - [string.prototype.trimright](https://github.com/es-shims/String.prototype.trimright) - [`String.prototype.trimEnd`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/TrimEnd) - [string.prototype.replaceall](https://github.com/es-shims/String.prototype.replaceAll) - [`String.prototype.replaceAll`](https://github.com/tc39/proposal-string-replaceall) ## Objects - [object.fromentries](https://github.com/es-shims/Object.fromEntries) - [`Object.fromEntries`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/fromEntries) - [object.entries](https://github.com/es-shims/Object.entries) - [`Object.entries`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/entries) - [object-keys](https://github.com/ljharb/object-keys) - [`Object.keys`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys) - [object.values](https://github.com/es-shims/Object.values) - [`Object.values`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/values) - [object-assign](https://github.com/sindresorhus/object-assign) - [`Object.assign`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign) - [object-is](https://github.com/es-shims/object-is) - [`Object.is`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is) - [json3](https://github.com/bestiejs/json3) - [`[JSON](/@harrisonqian/awesome/wiki/miscellaneous/json)`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON) ## Arrays - [array-from](https://github.com/studio-b12/array-from) - [`Array.from`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/from) - [array.prototype.every](https://github.com/es-shims/Array.prototype.every) - [`Array.prototype.every`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/every) - [array.prototype.find](https://github.com/paulmillr/Array.prototype.find) - [`Array.prototype.find`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find) - [array.prototype.some](https://github.com/es-shims/Array.prototype.some) - [`Array.prototype.some`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/some) - [array.prototype.flatmap](https://github.com/es-shims/Array.prototype.flatMap) - [`Array.prototype.flatMap`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/flatMap) - [array-map](https://github.com/substack/array-map) - [`Array.prototype.map`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map) - [array-foreach](https://github.com/twada/array-foreach) - [`Array.prototype.forEach`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach) - [array-includes](https://github.com/es-shims/array-includes) - [`Array.prototype.includes`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/includes) - [indexof](https://github.com/component/indexof) - [`Array.prototype.indexOf`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf). - [isarray](https://github.com/juliangruber/isarray) - [`Array.isArray`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray) ## Browser Features - [cross-fetch](https://github.com/lquixada/cross-fetch) - [`fetch`](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API) - [cross-blob](https://github.com/Richienb/cross-blob) - [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) - [cross-formdata](https://github.com/Richienb/cross-formdata) - [`FormData`](https://developer.mozilla.org/en-US/docs/Web/API/FormData) - [abortcontroller-polyfill](https://github.com/mo/abortcontroller-polyfill) - [`AbortController`](https://developer.mozilla.org/en-US/docs/Web/API/AbortController) - [@fastly/performance-observer-polyfill](https://github.com/fastly/performance-observer-polyfill) - [`PerformanceObserver`](https://developer.mozilla.org/en-US/docs/Web/API/PerformanceObserver) - [performance-now](https://github.com/braveg1rl/performance-now) - [`performance.now`](https://developer.mozilla.org/en-US/docs/Web/API/Performance/now) - [console.table](https://github.com/bahmutov/console.table) - [`console.table`](https://developer.mozilla.org/en-US/docs/Web/API/Console/table) - [webbluetooth](https://github.com/thegecko/webbluetooth) - [`Bluetooth`](https://developer.mozilla.org/en-US/docs/Web/API/Web_Bluetooth_API) - [resize-observer-polyfill](https://github.com/que-etc/resize-observer-polyfill) - [`ResizeObserver`](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver) - [webcrypto-shim](https://github.com/vibornoff/webcrypto-shim) - [`crypto`](https://developer.mozilla.org/en-US/docs/Web/API/Web_Crypto_API) - [css-vars-ponyfill](https://github.com/jhildenbiddle/css-vars-ponyfill/) - [CSS variables/custom properties](https://developer.mozilla.org/en-US/docs/Web/CSS/Using_CSS_custom_properties) - [raf](https://github.com/chrisdickinson/raf) - [`requestAnimationFrame`](https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame) - [xhr2](https://github.com/pwnall/node-xhr2) - [`XMLHttpRequest`](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest) ## Node.js Features - [events](https://github.com/Gozala/events) - [`EventEmitter`](https://nodejs.org/api/events.html#events_class_eventemitter) - [tickedoff](https://github.com/jamiebuilds/tickedoff) - [`setImmediate`](https://nodejs.org/api/timers.html#timers_setimmediate_callback_args) - [buffer-from](https://github.com/LinusU/buffer-from) - [`Buffer.from`](https://nodejs.org/api/buffer.html#buffer_class_method_buffer_from_array) - [cross-exit](https://github.com/Richienb/cross-exit) - [`process.exit`](https://nodejs.org/api/process.html#process_process_exit_code) - [next-tick](https://github.com/medikoo/next-tick) - [`process.nextTick`](https://nodejs.org/api/process.html#process_process_nexttick_callback_args)