Lesson 05 · 10 min
fetch and errors on the client
fetch doesn't throw on a 404. Checking res.ok is your job.
10 minLesson 5 of 9Practice includedAsk AI on any point
fetch returns a Promise with the response. It only rejects when there's no network at all. A 404 or 500 is a successful delivery of bad news, so you check res.ok (status 200–299) yourself.
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