JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<div id="app">
  <textarea name="myField" @paste="onPaste">{{ message }}</textarea>
  <p>Field Name: {{ fieldName }}</p>
  <p>Pasted data: {{ pasted }}</p>
</div>

JavaScript

var app = new Vue({
  el: '#app',
  data: {
    fieldName: '',
    pasted: ''
  },
  methods: {
    onPaste(event){
    	console.log(event)
			this.message = event.target.name
      this.paste = event.target.value
    }
  }
})