이벤트입니다.preventDefault()에서 반응

0

질문

을 얻을 수 없는 값에서 콘솔! 나는 무엇을 잘못?

아래에 첨부되어 있는 기능적 요소의 반응

핸들러 기능

import React, { useState, useRef } from 'react';

const SimpleInput = (props) => {
  const nameInputRef = useRef();
  const [enteredName, setEnteredName] = useState('');

  const nameInputChangeHandler = (event) => {
    setEnteredName(event.target.value);
  };

  const formSubmissionHandler = (event) => {
    event.preventDefault();
    console.log(enteredName);

    const enteredName = nameInputRef.current.value;
    console.log(enteredName);
  };

JSX 코드

  return (
    <form>
      <div className="form-control" onSubmit={formSubmissionHandler}>
        <label htmlFor="name">Your Name</label>
        <input
          ref={nameInputRef}
          type="text"
          id="name"
          onChange={nameInputChangeHandler}
        />
      </div>
      <div className="form-actions">
        <button>Submit</button>
      </div>
    </form>
  );
};

export default SimpleInput;
forms preventdefault react-hooks reactjs
2021-11-24 05:45:19
1

최고의 응답

1

formSubmissionHandler 해야에 form 요소보다는 div 요소입니다.

 return (
    <form onSubmit={formSubmissionHandler}>
      <div className="form-control">
        <label htmlFor="name">Your Name</label>
        <input
          ref={nameInputRef}
          type="text"
          id="name"
          onChange={nameInputChangeHandler}
        />
      </div>
      <div className="form-actions">
        <button>Submit</button>
      </div>
    </form>
  );
2021-11-24 05:52:29

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