BootWiki教程网
源代码：
点击运行
<!DOCTYPE html> <html> <head> <style> a:focus, a:active { color: green; } </style> </head> <body> <a href="http://www.bootwiki.com" id="myAnchor">访问BootWiki 教程网</a> <p>点击按钮设置或移除以上链接的焦点。</p> <input onclick="getfocus()" type="button" value="获取焦点"> <input onclick="losefocus()" type="button" value="移除焦点"> <script> function getfocus() { document.getElementById("myAnchor").focus(); } function losefocus() { document.getElementById("myAnchor").blur(); } </script> </body> </html>
运行结果