JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<div id="app">
  <li class="block" v-for="(section, key) in sectionDetails">
    <a href="#" :tabindex="key">Item {{ key }}</a>
  </li>
</div>

Babel + JSX

new Vue({
	el: '#app',
  data() {
    return {
      sectionDetails: [ 'a', 'b', 'c' ],
    }
  }   
})