xxxxxxxxxx<html><head><style> [title=w3cschool] { border:5px solid green; }</style></head><body> <h2>适用于:</h2> <img title="w3cschool" src="/statics/images/w3c/logo.png" width="247" height="48" /> <br> <a title="w3cschool" href="http://w3cschool.cn">w3cschool</a> <hr> <h2>不适用于:</h2> <p title="greeting">嗨!</p> <a class="w3cschool" href="http://w3cschool.cn">w3cschool</a></body></html>