<html>
<head>
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script>
window.onload = function () {
var app = new Vue({
el: '#app',
data: {
message: 'Hello Vue!'
}
});
}
</script>
</head>
<body>
<div id="app">
{{ message }}
</div>
</body>
</html>
