源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Vue 测试实例 - 开源教程(ossoft.cn)</title> <script src="https://unpkg.com/vue@next"></script> <style> .classA { color: red; font-size:30px; } </style> </head> <body> <div id="app"> <runoob class="classA"></runoob> </div> <script> const app = Vue.createApp({}) app.component('runoob', { template: ` <p :class="$attrs.class">I like runoob!</p> <span>这是一个子组件</span> ` }) app.mount('#app') </script> </body> </html>
运行结果