All files / src/chap04 FormSelect.js

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import { useState } from 'react';
 
export default function FormSelect() {
  // State 초기화
  const [form, setForm] = useState({
    animal: 'dog'
  });
 
  // 선택 상자 변경 시 입력값을 State에 반영
  const handleForm = e => {
    setForm({
      ...form,
      [e.target.name]: e.target.value
    });
  };
 
  // [보내기] 버튼 클릭 시 입력값 로그 출력
  const show = () => {
    console.log(`좋아하는 동물:${form.animal}`);
  };
 
  return (
    <form>
      <label htmlFor="animal">좋아하는 동물:</label>
      <select id="animal" name="animal"
        value={form.animal}
        onChange={handleForm}>
        <option value="dog">개</option>
        <option value="cat">고양이</option>
        <option value="hamster">햄스터</option>
        <option value="rabbit">토끼</option>
      </select>
      <button type="button" onClick={show}>보내기</button>
    </form>
  );
}