
| <!DOCTYPE html> |
| <html lang="en"> |
| |
| <head> |
| <meta charset="UTF-8"> |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| <title>Document</title> |
| |
| </head> |
| |
| <body> |
| <div id="app"> |
| <div> |
| <span> |
| <input type="text" v-model='fname'> |
| <button @click='add'>添加</button> |
| <button @click='del'>删除</button> |
| <button @click='change'>改变</button> |
| </span> |
| </div> |
| <ul> |
| <li :key='index' v-for='(item,index) in list'>{{item}}</li> |
| </ul> |
| </div> |
| <script type="text/javascript" src="./js/vue.js"></script> |
| <script> |
| var vm = new Vue({ |
| el: '#app', |
| |
| data: { |
| fname: '', |
| list: ['apple', 'orange', 'banana'] |
| }, |
| methods: { |
| add: function() { |
| this.list.push(this.fname); |
| }, |
| del: function() { |
| this.list.pop(); |
| }, |
| change: function() { |
| this.list = this.list.slice(0, 2); |
| } |
| } |
| }) |
| </script> |
| </body> |
| |
| </html> |
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