v-for in filter string code example
Example 1: vue js v-for array index
<ul>
<li v-for="(val, index) in arr">
<!-- Do something... -->
</li>
</ul>
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>