v-on事件

 1 <div id="#Demo">
 2     <button v-on:click="greet">greet</button>
 3 </div>
 4 
 5 <script text="text/javascript">
 6      var vm = new Ven({
 7          el:‘#Demo‘,
 8          data:{name:‘Jack‘},
 9          method:{
10               greet:function(event){
11                   alert(this.name + Welcome);
12            if(event){
13                   alert(event.target.tagName);
14           }
15        }
16    }
17 });    
18 </script>    
19 
20 
21