# core-js

## Docs

- [ECMAScript Built-ins](https://mintlify.wiki/zloirock/core-js/api/es-builtins.md): Polyfills for Object, Array, String, Number, Math, Date, Function, and Error.
- [Collections](https://mintlify.wiki/zloirock/core-js/api/es-collections.md): Polyfills for Map, Set, WeakMap, WeakSet, and WeakRef.
- [Iterators](https://mintlify.wiki/zloirock/core-js/api/es-iterators.md): Iterator helpers and AsyncIterator support.
- [Promise](https://mintlify.wiki/zloirock/core-js/api/es-promise.md): Promise polyfill including all static methods and proposals.
- [Typed Arrays](https://mintlify.wiki/zloirock/core-js/api/es-typed-arrays.md): TypedArray polyfills including new methods.
- [Finished Proposals](https://mintlify.wiki/zloirock/core-js/api/proposals-finished.md): Polyfills for TC39 proposals that have been fully merged into the ECMAScript specification.
- [Stage 2 and Below](https://mintlify.wiki/zloirock/core-js/api/proposals-stage2-and-below.md): Experimental polyfills for early-stage TC39 proposals.
- [Stage 3 Proposals](https://mintlify.wiki/zloirock/core-js/api/proposals-stage3.md): Polyfills for TC39 proposals at Stage 3 — feature-complete and awaiting final review.
- [Web Standards](https://mintlify.wiki/zloirock/core-js/api/web-standards.md): Polyfills for WHATWG and W3C web platform APIs including URL, structuredClone, queueMicrotask, and more.
- [Browserslist integration](https://mintlify.wiki/zloirock/core-js/compatibility/browserslist.md): How to use browserslist queries and target objects with core-js-compat to determine which polyfills are required.
- [Supported engines](https://mintlify.wiki/zloirock/core-js/compatibility/supported-engines.md): Browser and runtime support matrix for core-js, and how compatibility data is organized by module.
- [Installation](https://mintlify.wiki/zloirock/core-js/installation.md): Install core-js and its companion packages.
- [Introduction](https://mintlify.wiki/zloirock/core-js/introduction.md): What core-js is, why it exists, and how it fits into the modern JavaScript ecosystem.
- [core-js](https://mintlify.wiki/zloirock/core-js/packages/core-js.md): The global polyfill package. Extends native JavaScript globals to support modern ECMAScript features in older environments.
- [core-js-builder](https://mintlify.wiki/zloirock/core-js/packages/core-js-builder.md): Generate a custom core-js bundle containing only the polyfills you need, filtered by feature and target environment.
- [core-js-bundle](https://mintlify.wiki/zloirock/core-js/packages/core-js-bundle.md): A pre-built, ready-to-use bundle of core-js/actual. No build step required — drop it in via a script tag or require it directly.
- [core-js-compat](https://mintlify.wiki/zloirock/core-js/packages/core-js-compat.md): Compatibility data and tooling for core-js. Query which core-js modules are required for a given set of target environments.
- [core-js-pure](https://mintlify.wiki/zloirock/core-js/packages/core-js-pure.md): The pollution-free variant of core-js. Exports modern JavaScript features as named imports without modifying native globals.
- [Quick Start](https://mintlify.wiki/zloirock/core-js/quickstart.md): Get up and running with core-js in minutes.
- [Babel integration](https://mintlify.wiki/zloirock/core-js/usage/babel-integration.md): Automate polyfill injection using @babel/preset-env and @babel/runtime.
- [Configurator](https://mintlify.wiki/zloirock/core-js/usage/configurator.md): Fine-tune which polyfills use native implementations and which force the polyfill.
- [Custom build](https://mintlify.wiki/zloirock/core-js/usage/custom-build.md): Generate a targeted core-js bundle with only the polyfills your environments need.
- [Entry points](https://mintlify.wiki/zloirock/core-js/usage/entry-points.md): How to import only the polyfills you need using core-js entry points.
- [swc integration](https://mintlify.wiki/zloirock/core-js/usage/swc-integration.md): Configure swc to automatically inject core-js polyfills.

## OpenAPI Specs

- [openapi](https://mintlify.wiki/zloirock/core-js/api-reference/openapi.json)