JSFiddle - React, Tailwind, and code Playground

HTML

<div id='ctr'>
  {{message}}
  <input type="file" @change="addMessage($event)">
</div>

JavaScript

var vm = new Vue({
  el : '#ctr',
  data : {message: 'hello cobber'},
  methods: {
    addMessage: function(event){
    	debugger;
      alert(event.target.files[0])
      //stuff
    }
  }
});