<!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>
