<div class="codetitle"> <span><a style="CURSOR: pointer" data="365" class="copybut" id="copybut365" onclick="doCopy('code365')"><u>复制代码</u></a></span> 代码如下:</div> <div class="codebody" id="code365"> <br><script type="text/javascript"> <BR> window.onbeforeunload = onbeforeunload_handler; <BR> window.onunload = onunload_handler; <BR> function onbeforeunload_handler(){ <BR> var warning="确认退出?"; <BR> return warning; //可以换成alert等具体操作<BR> } <br><br> function onunload_handler(){ <BR> var warning="谢谢光临"; <BR> alert(warning); //关闭后执行<BR> } <BR></script><br> </div>