first 3 array elemnts in vue js code example

Example: vue pick 20 items from array

<div v-if="showLess">
  <div v-for="value in array.slice(0, 20)"></div>
</div> 
<div v-else> 
  <div v-for="value in array"></div>
</div> 
<button @click="showLess = false"></button>