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

11 votes250 views4 answers
Add conda env to jupyter
Python
0 vote207 views1 answer
Print each element of list in new line python
Python
5 votes228 views3 answers
Text to binary python
Python
0 vote203 views1 answer
Python indian currency formatter
Python
0 vote205 views3 answers
A program that asks for the user's input of a list of numbers and sort it in reverse in python
Python
3 votes217 views3 answers
Close a file python
Python
0 vote217 views1 answer
Theme_use() tkinter theme usage
Python
6 votes208 views2 answers
Pad zeros to a string python
Python
0 vote198 views1 answer
Ignore nil rows value in openpyxl
Python
33 votes217 views10 answers
Elon musk
Python