
<html>
<head>
<script type="text/javascript">
function checkWin()
{
if (myWindow.closed)
{
alert("新窗口已经关闭!")
}
else
{
alert("新窗口没有关闭!")
}
}
</script>
</head>
<body>
<script type="text/javascript">
myWindow=window.open('','','width=200,height=100')
myWindow.document.write("这是一个新窗口")
</script>
<input type="button" value="检验新窗口的状态" onClick="checkWin()" />
</body>
</html>



