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class DumbosParent extends React.Component { | |
state = { availableShoes: 6 }; | |
sellShoes = () => { | |
this.setState(({ availableShoes }, props) => ({ | |
availableShoes: availableShoes > 1 && availableShoes - 1 | |
})); | |
}; | |
render() { |
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class Dumbo extends React.Component { | |
state = { clothing: null, firstChild: null, secondChild: null }; | |
handleState = () => { | |
this.setState({ | |
clothing: "jeans", | |
firstChild: "shoes", | |
secondChild: "hat" | |
}); | |
}; | |
render() { |
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class Dumbo extends React.Component { | |
// static getDerivedStateFromProps(nextProps, prevState){ return prevState; } | |
state = { clothing : 'hat' }; | |
// componentDidMount() { } | |
// shouldComponentUpdate() { } | |
// getSnapshotBeforeUpdate() { } | |
// componentWillUnmount() { } | |
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// JSX | |
const Dumbo = props => { | |
return <div>Hey, my name is Dumbo.</div>; | |
}; | |
// without JSX | |
const Dumbo = props => { | |
return React.createElement("div", null, `Hey, my name is Dumbo.`); | |
}; |
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