vue.js获取时间时时刷新

代码实例

<html lang="en">
<head>
   <meta set="UTF-8">
   <title>vue.js时间刷新</title>
</head>
<body>
<div id="app">
{{date}}
</div>
<script src="https://www.jq22.com/jquery/vue.min.js"></script><script>
   var app=new Vue({
       el:'#app',
       data:{
          date:new Date()
       },
       mounted:function(){
          var _this=this;
          this.timer=setInterval(function(){
          _this.date=new Date();
          },1000)},
       beforDestroy:function(){
         if(this.timer){
          clearInterval(this.timer);
       }
      }
   })
</script>
</body>
</html>
查看效果