Form validation examples

Form validation

import React from "react";
import { useForm } from "react-hook-form";

export default function App() {
  const { register, handleSubmit, watch, errors } = useForm();
  const onSubmit = data => console.log(data);
  return (
    <div className="App">
      <form onSubmit={handleSubmit(onSubmit)}>
        <input name="requiredField" ref={register({ required: true })} />
        <br />
        {errors.requiredField && <span>This field is required</span>}
        <br />
        <input type="submit" />
      </form>
    </div>
  );
}

Source: thewebdev.info

Similar codes

0 vote303 views1 answer
Django admin no such table user
Python
3 votes320 views1 answer
Lambda with two columns pandas
Python
0 vote316 views1 answer
How to get the type of numpy array
Python
1 vote352 views3 answers
Pascal's triangle python
Python
0 vote327 views1 answer
Left fill with zeros
Python
0 vote330 views1 answer
Testdata['time'].dt.tz_localize(None)
Python
3 votes339 views2 answers
Python get current mouse position
Python
-1 vote378 views1 answer
Python beautifulsoup get attibute
Python
0 vote308 views1 answer
Python developer job description
Python
0 vote297 views1 answer
Lenet 5 keras
Python