JSFiddle - React, Tailwind, and code Playground

HTML

<div id="vue">
  <div v-for="item, i in items">
    <input type="checkbox" v-model="items[i]">
    <span v-if="item == item" :id="i" ref="test">{{i}}</span>
  </div>
</div>

JavaScript

new Vue({
	el:'#vue',
  data:{
  	items:[false,true,true,false]
  },
  updated(){
  	console.log(this.$refs.test)
  }
})