W3School TIY
编辑您的代码：
<html> <head> <style type="text/css"> a:active {color:green} </style> <script type="text/javascript"> function getfocus() {document.getElementById('myAnchor').focus()} function losefocus() {document.getElementById('myAnchor').blur()} </script> </head> <body> <a id="myAnchor" href="../index.htm">访问 jb51.net</a> <br /><br/> <input type="button" onclick="getfocus()" value="获得焦点"> <input type="button" onclick="losefocus()" value="失去焦点"> </body> </html>
查看结果: