> Yes, fetch is basically sugar around XHR. Believe it or not but currently it's actually the other way around: XHR is defined in terms of fetch: > XHR is now

> Yes, fetch is basically sugar around XHR. Believe it or not but currently it's actually the other way around: XHR is defined in terms of fetch: > XHR is now defined in terms of fetch (see the calls to fetch in XHR's .send()), meaning fetch is lower level than XHR. Source: https://jakearchibald.com/2015/thats-so-fetch/ https://jakearchibald.com/2015/thats-so-fetch/ and https://xhr.spec.whatwg.org/#the-send%28%29-method https://xhr.spec.whatwg.org/#the-send%28%29-method