Add polyfills to Angular
This step is no longer required for Angular 11 or above.
If you want to support Internet Explorer 11 you have to include polyfills in your
The easiest option would be to let
firstname.lastname@example.org polyfill all stable ES and web standards:
// Polyfill only stable `core-js` features - ES and web standards:import 'core-js/stable';
It is also possible to only polyfill the necessary features by installing
// Polyfills Promise, fetch, Object.assign, Symbol, Set, Mapimport 'react-app-polyfill/ie11';// Loads core-js/stable, regenerator-runtimeimport 'react-app-polyfill/stable';import 'core-js/features/array/find';import 'core-js/features/array/map';