Yuniverse

import { useState } from "react"; function App() { const [todo, setTodo] = useState(""); const [todos, setTodos] = useState([]); const [editingTodoId, setEditingTodoId] = useState(null); const [editingTodoContent, setEditingTodoContent] = useState(""); const onChange = (event) => setTodo(event.target.value); //추가 const onSubmit = (event) => { event.preventDefault(); if (todo.trim() === "") { ret..