<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<script src = "https://unpkg.com/vue/dist/vue.js" ></script>
<title>Document</title>
</head>
<body>
<div id="wrap">
<p v-if="seen">出来了</p>
<button type="button" name="button" @click="change">{{message}}</button>
</div>
<script type="text/javascript">
var app = new Vue({ el:'#wrap', data:{ seen:true, message:'隐藏' }, methods:{ change:function(){ this.seen = !this.seen if (this.seen) { this.message = '隐藏' }else{ this.message = '显示' } } } }) // var date = new Date(); // console.log(date);//Tue Sep 26 2017 14:34:27 GMT+0800 (CST) // console.log(new Date().toLocaleString());//2017/9/26 下午2:34:27 // var d = new Date().getTime(); // console.log(d);//1506408973192 // console.log(new Date(d).toLocaleString());//2017/9/26 下午2:56
</script>
</body>
</html>
