function developer preview
Configures the current HttpClient instance to make requests using the fetch API.
withFetch(): HttpFeature<HttpFeatureKind.Fetch>There are no parameters.
This FetchBackend requires the support of the Fetch API which is available on all evergreen browsers and on NodeJS from v18 onward.
Note: The Fetch API doesn't support progress report on uploads.
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Licensed under the Creative Commons Attribution License 4.0.
https://angular.io/api/common/http/withFetch