<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>模板语法-指令</title>
<script src="vue.js" type="text/javascript" charset="UTF-8"></script>
</head>
<body>
<div id="app">
<p v-if="seen">现在你看到我了</p>
</div>
<script type="text/javascript">
var vm=new Vue({
el:'#app',
data:{
seen:true
//seen:false
}
});
</script>
</body>
</html>
