vue loop bind with key code example

Example 1: v-for

<li v-for="item in items" :key="item.message">
    {{ item.message }}
  </li>

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>