<!DOCTYPE html>
<html>
<head>
<title>[Vue.js] Input Change Event</title>
<meta charset="utf-8" />
<meta name="viewport" content="initial-scale=1, minimal-ui" />
</head>
<body style="text-align: center;">
<div id="app">
<form>
<input type="text" autocomplete="off" v-model="userinput">
</form>
<div>value: {{ value }}</div>
<div>old value: {{ oldValue }}</div>
</div>
<script src="https://unpkg.com/vue@2.1.10/dist/vue.js"></script>
<script src="app.js"></script>
</body>
</html>