React useState tutorial beginner to advanced. React useState best practices and solutions to the most common state problems. Functional update, white screen problem, derived states, and more.
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00:00 useState Functional Update (Why useState doesn't update immediately?)
02:54 React useState white screen problem fixed
05:56 React useState How to update a specific object property?
09:27 React How to change all inputs with a single onChange?
11:17 useState vs useReducer (When to use?)
12:53 Be careful about React derived states!