October 2019
Intermediate to advanced
426 pages
11h 49m
English
Content preview from Learn React Hooks
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useReducer
This Hook is an alternative to useState, and works similarly to the Redux library. We can use it as follows:
import { useReducer } from 'react'const [ state, dispatch ] = useReducer(reducer, initialArg, init)
The useReducer Hook is used to deal with complex state logic.
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.