Vue 2.0 Hello World

HTML

<script src="https://unpkg.com/vue"></script>

<div id="app">
  <select>
     <option v-for="(item, key) in obj" :value="key">{{ item }}</option>
  </select>
  
    <select>
      <option value="3">C</option>
      <option value="1">A</option>
      <option value="2">B</option>
  </select>
</div>

JavaScript

new Vue({
  el: '#app',
  data: {
    obj: {
      "2": "BBB",
    	"1": "AAA",
      "3":"CCC"
    }
  }
})