<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<meta http-equiv="X-UA-Compatible" content="IE=edge">

<title></title>

</head>

<body>

<div id="app">

<h2 v-if="ok">yes</h2>

</div>

<script src="http://static.runoob.com/assets/vue/1.0.11/vue.min.js"></script>

<script>

var vm = new Vue({

el:'#app',

data:{

ok:true

}

});

</script>

</body>

</html>