<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>第一个vue.js</title>
<script src="https://cdn.bootcss.com/vue/2.2.2/vue.min.js"></script>
</head>
<body>
<div id="app"><div v-html="message"></div>
</div><script>
var vm=new Vue({el: '#app',data: {message: '<h1>hello world!</h1>'}
});
</script>
</body>
</html>