key vuejs code example
Example 1: v-for
<ul>
<li v-for="(item, index) in items">
{{ index }} - {{ item }}
</li>
</ul>
Example 2: vue js v-for array index
<ul>
<li v-for="(val, index) in arr">
<!-- Do something... -->
</li>
</ul>
<ul>
<li v-for="(item, index) in items">
{{ index }} - {{ item }}
</li>
</ul>
<ul>
<li v-for="(val, index) in arr">
<!-- Do something... -->
</li>
</ul>