简单教程
提交运行
代码编辑器：
<!DOCTYPE html> <meta charset="utf-8"> <title>Vue 2 范例 - 简单教程(www.twle.cn)</title> <link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/> <script src="/static/lib/vue.js/2.5.9/vue.min.js"></script> <style> .active { width: 100px; height: 100px; background: green; } .text-danger { background: red; } </style> <div id="app"> <div v-bind:class="classObject"></div> </div> <footer>简单教程，简单编程<br/>Copyright © 简单教程</footer> <script> new Vue({ el: '#app', data: { isActive: true, error: null }, computed: { classObject: function () { return { active: this.isActive && !this.error, 'text-danger': this.error && this.error.type === 'fatal', } } } }) </script>
运行结果：