initialize state react

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Lilian
23 Oct 2020
1class App extends React.Component {
2  constructor(props) {
3    // Required step: always call the parent class' constructor
4    super(props);
5
6    // Set the state directly. Use props if necessary.
7    this.state = {
8      loggedIn: false,
9      currentState: "not-panic",
10
11      // Note: think carefully before initializing
12      // state based on props!
13      someInitialValue: this.props.initialValue
14    }
15  }
16
17  render() {
18    // whatever you like
19  }
20}
21
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