Created
March 14, 2020 22:06
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hooks5.js
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| import React from "react"; | |
| export default class App extends React.Component { | |
| constructor(props) { | |
| super(props); | |
| this.state = { | |
| name: "Reactish" | |
| }; | |
| this.handleNameChange = this.handleNameChange.bind(this); | |
| } | |
| componentDidMount() { | |
| document.title = this.state.name; | |
| } | |
| componentDidUpdate() { | |
| document.title = this.state.name; | |
| } | |
| handleNameChange(e) { | |
| this.setState({ | |
| name: e.target.value | |
| }); | |
| } | |
| render() { | |
| return ( | |
| <div> | |
| <div>Name:</div> | |
| <input value={this.state.name} onChange={this.handleNameChange} /> | |
| </div> | |
| ); | |
| } | |
| } |
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