源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>编程字典</title> </head> <body> <a href="http://www.CodingDict.com/" tabindex="2">编程字典</a><br> <a href="http://www.google.com/" tabindex="1">Google</a><br> <a href="http://www.百度.com/" tabindex="3">百度</a> <p><b>注意:</b> 试试通过键盘的tab键切换.</p> </body> </html>
运行结果