React useReducer hook
In this Tutorial, you'll learn all about React useReducer hook. Topics covered are the importance of the useReducer, the syntax of the useReducer, initial value, reducer function, state of reducer function, actions in reducer function, action error handling, import useReducer, state of the useReducer, dispatch of the useReducer, state of the reducer function is read only, part of the state is undefined, useReducer returns old value, passing parameters to useReducer, initializer function of useReducer.
Full React useReducer Article with Examples: https://tutjunction.com/react/use-red...
Full React Tutorial with Examples: https://tutjunction.com/react/start
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timestamps -
00:00 - Intro
00:24 - Why we need useReducer hook?
01:04 - Quick preview of useReducer
04:16 - Syntax of useReducer hook
04:21 - Initial value of useReducer
04:32 - Reducer function
05:06 - State of the reducer function
05:21 - Actions in reducer function
05:45 - Action error handling
06:04 - Import and useReducer
06:25 - State of the useReducer
06:38 - Dispatch of the useReducer
07:29 - Read only state in reducer function
09:22 - Part of the state is undefined
10:04 - useReducer returns old state
11:05 - Passing parameters to useReducer
12:00 - Initializer function of useReducer
13:44 - Outro