<div v-for="song in songs" v-bind:key="song.id"> how to show key code example

Example 1: vue list render in

<ul id="example-1">
  <li v-for="item in items" :key="item.message">
    {{ item.message }}
  </li>
</ul>

Example 2: vue js v-for array index

<ul>
  <li v-for="(val, index) in arr">
    <!-- Do something... -->
  </li>
</ul>