Uploaded July 2024 | Updated September 2026, 3 weeks ago

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What if you could make your backend respond in 0ms? ⚡️

In a real scenario, some api calls will most often be successful (hopefully) so here's the trick, bring some optimism in your application and instantly update the UI as if the operation went through.

You can't have a slow backend, if you don't even wait for the response 🧠

I tested the useOptimistic hook introduced in React 18 in my new Nextjs 14 side project and I thought it was worth sharing!
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TIMESTAMPS
00:00 Problem Showcase
01:00 Simple Optimistic Update
02:00 Optimistic Array Element Removal
04:40 Updates Outside Server Actions
05:24 Optimistic Double Render
06:00 Optimistic Reducer
08:12 Bonus Tip
08:38 Code on GitHub - Myntenance Project

#nextjs #coding #reactjs