W3School TIY
编辑您的代码：
<!DOCTYPE html> <html> <head> <style> a:link { background-color:yellow; } </style> </head> <body> <a href="../index.htm">W3Sschool</a> <a href="javascript:if(confirm('http://www.google.com/ \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.google.com/'">Google</a> <a href="javascript:if(confirm('http://www.wikipedia.org/ \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.wikipedia.org/'">Wikipedia</a> <p><b>注释：</b>:link 选择器为未被访问过的链接设置样式。</p> </body> </html>
查看结果: