<h2>{{ title }}</h2>
<hr>
<br>
<input type="text" v-model="comment" placeholder="Comment Here.">
<input type="text" v-model="username" placeholder="username">
<br>
<button @click="setComments()">Kirim</button>
<br>
<hr>
<ul>
  <li v-for="(comment, index) in comments">
  {{ comment.body }} by
  <span class="text-secondary">
  {{ comment.username }}</span>
  <a @click="removeComment(comment.id, index)">Remove</a>
  </li>
</ul>