Created
December 22, 2019 06:31
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class App extends React.Component { | |
state = { clicked: false, initialized: false }; | |
componentDidMount() { | |
this.setState({ initialized: true }); | |
} | |
setClicked = () => { | |
this.setState({ clicked: true }); | |
} | |
render() { | |
const { initialized, clicked } = this.state; | |
return ( | |
<div className="App"> | |
{initialized && <h1>Initialized</h1>} | |
<h1 onClick={() => this.setClicked(true)}>Please click me!</h1> | |
{clicked && <h2>You clicked an object!</h2>} | |
</div> | |
); | |
} | |
} |
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