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HTML

              
                <!DOCTYPE html>
<html lang="ja">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width,initial-scale=1">
  <link rel="stylesheet" href="./css/milligram.css">
  <title>Vue ToDo</title>
</head>

<body>
  <div id="app" class="container">

    <h1>{{ appName }}</h1>

    <input type="text" placeholder="add ToDo...">

    <div v-for="todo in todos">
      <label><input type="checkbox" v-model="todo.isDone"> {{ todo.title }}</label>
    </div>

    <a href="">All</a> |
    <a href="">Working</a> |
    <a href="">Completed</a>

    <button>完了済みを削除</button>

  </div>

  <script src="./lib/vue.js"></script>
  <script src="./js/app.js"></script>
</body>

</html>
              
            
!

CSS

              
                /* milligram.cssはHTMLコード内で読み込ませています */
              
            
!

JS

              
                var app = new Vue({
  el: '#app',
  data: {
    // 画面に表示する
    appName: 'My Vue ToDo',
    todos: [
      {
        id: 1,
        title: '靴のムカデ屋でコートを受け取る',
        isDone: true
      },
      {
        id: 2,
        title: 'サンジェルマンでカツサンドを買う',
        isDone: false
      },
      {
        id: 3,
        title: '爪を切る',
        isDone: false
      },
    ]
  }
})
              
            
!
999px

Console