<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://unpkg.com/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
<p>{{ message }}</p>
<p>{{ message }} hi</p>
<p>{{ firstName + ‘ ‘ + lastName}}</p>
<p>{{ firstName}} {{lastName}}</p>
<p>{{ count * 2 }}</p>
</div>
<script>
new Vue({
el: ‘#app‘,
data: {
message: ‘Hello Vue.js!‘,
firstName: "thomas",
lastName: "zhang",
count: 10
},
})
</script>
</body>
</html>