October 2019
Intermediate to advanced
426 pages
11h 49m
English
Content preview from Learn React Hooks
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Chapter 11: Migrating from React Class Components
- How are React class components defined?
- React class components are defined by using class ComponentName extends React.Component {
- What do we need to call when using a constructor with class components? Why?
- We first need to call super(props) to ensure that the props get passed on to the React.Component class
- How do we set the initial state with class components?
- We can set the initial state in class components by defining the this.state object in the constructor
- How do we change the state with class components?
- In class components, we use this.setState() to change the state
- Why do we need to re-bind the this context with class component methods?
- When passing a method to an ...
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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.