javascript 第29集React Scrimba

Posted 2021-05-03

/*
  1. Import todos data from a JSON file
  2. Load it into the component's state
  3. map over the state object to display the todo items
*/

import React from "react";
import TodoItem from "./TodoItem";
import todosData from "./todosData";

class App extends React.Component {
  constructor() {
    super();
    this.state = {
      todos: todosData
    };
  }

  render() {
    const todoItems = this.state.todos.map(item => (
      <TodoItem key={item.id} item={item} />
    ));

    return <div className="todo-list">{todoItems}</div>;
  }
}

export default App;