RUNOOB.COM
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>电脑学习网教程(runoob.com)</title> <style> [title=runoob] { border:5px solid green; } </style> </head> <body> <h2>将适用:</h2> <img title="runoob" src="logo.png" width="270" height="50" /> <br> <a title="runoob" href="//www.runoob.com/">runoob</a> <hr> <h2>将不适用:</h2> <p title="greeting">Hi!</p> <a class="runoob" href="//www.runoob.com/">runoob</a> </body> </html>
运行结果