# @react-native/js-polyfills

[![npm]](https://www.npmjs.com/package/@react-native/js-polyfills) [![npm downloads]](https://www.npmjs.com/package/@react-native/js-polyfills)

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> This is an internal dependency of React Native. **Please don't depend on it directly.**

JavaScript environment polyfills set up by React Native at startup (e.g. `Promise`, timers, and other runtime globals).
