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Sep 16th, 2019
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  1. import React, { useState } from 'react';
  2.  
  3. function Counter() {
  4. const [count, setCount] = useState(0);
  5. return (
  6. <div>
  7. <input
  8. onChange={(e) => setCount(e.target.value)}
  9. type="number"
  10. value={count}>
  11. </input>
  12. <p>Le compteur est à : {count} </p>
  13. <button onClick={() => setCount(Number(count) + 1)}>
  14. +1
  15. </button>
  16. <button onClick={() => setCount(Number(count) - 1)}>
  17. -1
  18. </button>
  19. </div>
  20. );
  21. }
  22.  
  23. export default Counter;
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