코드 :
const [todoData, setTodoData] = useState([ { id: "1", title: "공부하기", completed: true, }, { id: "2", title: "청소하기", completed: false, }, ]); <div> {todoData.map((data) => ( <div style={listStyle} key={data.id}> <input type="checkbox" defaultChecked={data.completed} /> {data.title} <button style={btnStyle} onClick={() => { handleRemove(data.id); }} X </button> </div> ))} </div>