What are the approaches to include polyfills in your `create-react-app`?
There are approaches to include polyfills in create-react-app,
Manual import from
Create a file called (something like)
polyfills.jsand import it into root
npm install core-jsor
yarn add core-jsand import your specific required features.import 'core-js/fn/array/find';import 'core-js/fn/array/includes';import 'core-js/fn/number/is-nan';
Using Polyfill service:
Use the polyfill.io CDN to retrieve custom, browser-specific polyfills by adding this line to
In the above script we had to explicitly request the
Array.prototype.includesfeature as it is not included in the default feature set.
November 06, 2022ReactJS