JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.5.11/vue.min.js"></script>

<div id="app">
  <div v-for="item in items">
    <input type="text" v-model="counts[item.id]">
  </div>
  <pre>{{ counts }}</pre>
</div>

JavaScript

new Vue({
  el: '#app',
  data: () => ({
    items: [
      { id: 1 },
      { id: 2 },
      { id: 3 },
    ],
    counts: {},
  }),
});