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fetching with hooks
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <title>Sandbox</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/[email protected]/babel.min.js"></script> | |
| </head> | |
| <body> | |
| <div id="app"></div> | |
| <script type="text/babel"> | |
| let { useEffect, useState } = React | |
| function useName(id) { | |
| let [name, setName] = useState('fetching') | |
| useEffect(() => { | |
| fetch(`https://jsonplaceholder.typicode.com/users/${id}`) | |
| .then(res => res.json()) | |
| .then(user => setName(user.name)) | |
| .catch(console.log) | |
| }, [id]) | |
| return name | |
| } | |
| function User1(props) { | |
| let name = useName(1) | |
| return <p>user 1 is {name}</p> | |
| } | |
| function User2() { | |
| let name = useName(2) | |
| return <p>user 2 is {name}</p> | |
| } | |
| function App() { | |
| return ( | |
| <div> | |
| <User1 /> | |
| <User2 /> | |
| </div> | |
| ) | |
| } | |
| ReactDOM.render( | |
| <App />, | |
| document.getElementById('app') | |
| ) | |
| </script> | |
| </body> | |
| </html> |
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