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1 file changed, 20 insertions
React-Hook-Form-2.jsx(vytvořil soubor)
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| 1 | + | import { useForm } from 'react-hook-form'; | |
| 2 | + | ||
| 3 | + | function App() { | |
| 4 | + | const { | |
| 5 | + | register, | |
| 6 | + | handleSubmit, | |
| 7 | + | formState: { errors }, | |
| 8 | + | } = useForm(); | |
| 9 | + | ||
| 10 | + | return ( | |
| 11 | + | <form onSubmit={handleSubmit((data) => console.log(data))}> | |
| 12 | + | <input {...register('firstName')} /> | |
| 13 | + | <input {...register('lastName', { required: true })} /> | |
| 14 | + | {errors.lastName && <p>Last name is required.</p>} | |
| 15 | + | <input {...register('age', { pattern: /\d+/ })} /> | |
| 16 | + | {errors.age && <p>Please enter number for age.</p>} | |
| 17 | + | <input type="submit" /> | |
| 18 | + | </form> | |
| 19 | + | ); | |
| 20 | + | } | |
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