December 2018
Intermediate to advanced
642 pages
15h 5m
English
Content preview from Modern JavaScript Web Development Cookbook
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How to do it...
Let's go over the life of a component, in order from the time a component is created and placed into the DOM, during its life when it may be updated, up to the moment the component is removed from the DOM. We are going to hit only the main methods, and even so it's likely that you won't get to use all of them:
- constructor(): This method is called before the component is mounted for basic setup and initialization. This method is used for all kinds of initialization. The only key rule is that you should always start by calling super(props) before doing anything else, so this.props will be created and accessible.
- componentDidMount(): This method is called after the component is mounted.
- shouldComponentUpdate(nextProps, nextState) ...
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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.
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