检查窗口的关闭打开
下面为效果显示
脚本说明: 把如下代码加入<body>区域中 <script> var newwin function makenewwin() { newwin=window.open("","vv","height=300,width=200") newwin.document.writeln("ok") newwin.document.close() } function check() { if (newwin&&newwin.open&&!newwin.closed){ alert("开的") } else{ alert("关的") } } </script> <input type="button" value="open" onclick="makenewwin()"> <input type="button" value="检查" onclick="check()">