JSFiddle - React, Tailwind, and code Playground

HTML

<div id="vueRoot">
  <button @click="addForm">
    Click Me !
  </button>
  {{form}}
</div>

JavaScript

var vm = new Vue({
      el : "#vueRoot",
      data : {
        form: [{
          fieldOne: '',
          fieldTwo: '',
        }]
      },
      methods : {
        addForm() {
          let newObject = {
            fieldOne: '',
            fieldTwo: ''
          }
          this.form.push({newObject, newObject}); // Gives error.
        }
      }
    });