November 2019
Beginner
804 pages
20h 1m
English
Content preview from Learn TypeScript 3 by Building Web Applications
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Exploring React hooks
"Hooks embrace JavaScript closures and avoid introducing React-specific APIs where JavaScript already provides a solution."
- React website
In the previous sections, we covered different concepts of React, but we only provided examples for class components. While doing so, we kept repeating that hooks are enablers for the same functionality in function components. But what exactly are hooks and what is their purpose? Let's find out!
In the past, React class components were comparatively more powerful than function components: they could have an internal state, could hook into the lifecycle, and so on. Function components on the other hand, did not have equivalent APIs. The only way to use some features was to convert ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.