<!DOCTYPE html>
<html lang="pt-br">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Inciando com Vue.js</title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="app"></div>
<script type="text/javascript" src="js/main.js"></script>
</body>
</html>
var app = new Vue({
el: '#app',
data: {
mensagem: 'Olá Vue!',
},
});