| 123456789101112131415161718192021222324252627282930313233343536373839404142 | <!DOCTYPE html><html lang="en">  <head>    <meta charset="UTF-8">    <title>Title</title>    <link rel="stylesheet" href="../styles.css" />    <link rel="stylesheet" href="styles.css" />  </head>  <body>    <nav>      <h1><span class="index">6</span>The need for computed properties</h1>      <ul>        <li><a href="../lesson5">Prev</a></li>        <li><a href="../lesson7">Next</a></li>      </ul>    </nav>    <div id="root">      <h2>All tasks</h2>      <ul>        <li v-for="(task,index) in tasks">          {{ task.description }}          <button v-bind:data-key="index" v-on:click="onIncomplete">Incomplete</button>          <button v-bind:data-key="index" v-on:click="onComplete">Complete</button>        </li>      </ul>      <h2>Complete tasks</h2>      <ul>        <li v-for="task in completeTasks" v-text="task.description" />      </ul>      <h2>Incomplete tasks</h2>      <ul>        <li v-for="task in incompleteTasks" v-text="task.description" />      </ul>    </div>    <script src="../lib/vue-2.1.3.js"></script>    <script src="code.js"></script>  </body></html>
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