get data array from index in vuejs code example

Example 1: vuejs v-for array index

<!-- To gain access to the array index: -->
<ul>
    <li v-for="(game, index) in games"></li>
</ul>
<!--
	You only want the index in specific cases. Use `:key` as
	standard. See the other greps.
-->

Example 2: how to map over arrays vuejs

this.allCampaigns = response.data.data.campaigns.map(campaigns => ( campaigns.name))
map over array to access item (eg. just the campaign name)