v-for key example

Example 1: vue v-for object

// object: {
//   title: 'How to do lists in Vue',
//   author: 'Jane Doe',
//   publishedAt: '2016-04-10'
// }
<div v-for="(value, name, index) in object">
  {{ index }}. {{ name }}: {{ value }}
</div>

Example 2: v-for only getting one first value vuejs

<option v-for="(location, index) in locations" v-bind:value="location.id" v-bind:selected="index === 0">
  {{ location.from }} - {{ location.to }}
</option>