Created
October 16, 2020 18:26
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React + JSX in HTML file
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <title>Hello World</title> | |
| <script src="https://unpkg.com/react@16/umd/react.development.js"></script> | |
| <script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script> | |
| <script src="https://unpkg.com/@babel/standalone/babel.min.js"></script> | |
| </head> | |
| <body> | |
| <div id="root"></div> | |
| <script type="text/babel"> | |
| class Main extends React.Component { | |
| state = { | |
| count: 0 | |
| } | |
| handleIncrement = () => { | |
| this.setState(prevState => ({count: prevState.count + 1})); | |
| } | |
| handleDecrement = () => { | |
| this.setState(prevState => ({count: prevState.count - 1})); | |
| } | |
| render() { | |
| return ( | |
| <> | |
| <p>The count is: {this.state.count}</p> | |
| <button onClick={this.handleIncrement}>+</button> | |
| <button onClick={this.handleDecrement}>-</button> | |
| </> | |
| ) | |
| } | |
| } | |
| function MyComp() { | |
| return <h1>Hello, jsx!</h1> | |
| } | |
| ReactDOM.render( | |
| <Main/>, | |
| document.getElementById('root') | |
| ); | |
| </script> | |
| </body> | |
| </html> |
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