AI 编程工具xxxxxxxxxx<html><head><meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> <style>a:after {content: " (" attr(href) ")";}</style></head><body><p><a href="https://www.runoob.com">菜鸟教程</a></p><p><a href="https://www.runoob.com/html/">HTML 教程</a></p><p><strong>注意:</strong> IE8 需要声明 !DOCTYPE 才可以支持 attr() 函数。</p></body></html>