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April 19, 2020 15:48
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| <!DOCTYPE HTML> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>React getting started</title> | |
| </head> | |
| <body> | |
| <!-- Root container for react components --> | |
| <div id='root'></div> | |
| <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://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script> | |
| <script type="text/babel"> | |
| function HelloReact() { | |
| const [word, setWord] = React.useState(''); | |
| const [revWord, setRevWord] = React.useState(''); | |
| const inputChanged = () => { | |
| setWord(event.target.name) | |
| } | |
| reverseWord = () => { | |
| const rev = word.split("").reverse().join(""); | |
| setRevWord(rev); | |
| } | |
| return ( | |
| {revWord}<br /> | |
| <input onChange={inputChanged} value={word} /><br /> | |
| <Button onClick={reverseWord}>Reverse</Button> | |
| ); | |
| } | |
| ReactDOM.render(<HelloReact />, document.getElementById('root')); | |
| </script> | |
| </body> | |
| </html> |
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