1         window.onload = function () {
 2           var c = new Vue({
 3               el : 'body',
 4               methods : {
 5                 say : function(){
 6                     alert( '欢迎学习vue' );
 7                 }
 8               }
 9           });
10        }
11
12 <input type="button" value="点我" v-on:click="say();"/>

 1         window.onload = function () {
 2           var c = new Vue({
 3               el : 'body',
 4               data : {
 5                   arr : [ 10, 20, 30 ]
 6               },
 7               methods : {
 8                 change : function(){
 9                     this.arr.push( 40 );
10                 }
11               }
12           });
13        }
14
15         <input type="button" value="点我" v-on:dblclick="change();"/>
16         <ul id="box">
17             <li v-for="value in arr">{{value}}</li>
18         </ul>

 1     <style>
 2         div {
 3             width: 200px;
 4             height: 200px;
 5             background: red;
 6             float:left;
 7             margin:20px;
 8         }
 9     </style>
10     <script src="../js/vue.js"></script>
11     <script>
12        window.onload = function () {
13           var c = new Vue({
14               el : 'body',
15
16           });
17        }
18     </script>

1 <div v-show="true"></div>
2 <div v-show="true"></div>
3 <div v-show="false"></div>

 1     <style>
 2         div {
 3             width: 200px;
 4             height: 200px;
 5             background: red;
 6         }
 7     </style>
 8     <script src="../js/vue.js"></script>
 9     <script>
10         window.onload = function () {
11             var c = new Vue({
12                 el: 'body',
13                 data: {
14                     flag: false
15                 },
16                 methods : {
17                     toggle : function(){
18                         this.flag = !this.flag;
19                     }
20                 }
21             });
22         }
23
24 <input type="button" value="点我" v-on:click="toggle();"/>
25 <div v-show="flag"></div>