form validation react using hooks code example
Example 1: react hooks form
import React from 'react';
import { useForm } from 'react-hook-form';
function App() {
const { register, handleSubmit, errors } = useForm(); // initialize the hook
const onSubmit = (data) => {
console.log(data);
};
return (
<form onSubmit={handleSubmit(onSubmit)}>
<input name="firstname" ref={register} /> {/* register an input */}
<input name="lastname" ref={register({ required: true })} />
{errors.lastname && 'Last name is required.'}
<input name="age" ref={register({ pattern: /\d+/ })} />
{errors.age && 'Please enter number for age.'}
<input type="submit" />
</form>
);
}
Example 2: react hook form
react hook form