-------------------------第一个vue实例---------------------------------
<html>
<head>
<meta charset="utf-8" />
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<title></title>
</head>
<body>
<div id="only">
{{xiaoxi}}
</div>
</body>
<script type="text/javascript">
var myvue = new Vue({
el:‘#only‘,
data:{
xiaoxi:‘hello vue‘
}
})
</script>
</html>
原文：https://www.cnblogs.com/wyx221/p/10099562.html