window.close()

1window.opener=null;
2window.open("","_self");
3window.close();

onclick return false;

IE5.5以下

1<object id="close" type="application/x-oleobject"
2  classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
3    <param name="Command" value="CLOSE">
4</object>
5<input type="button" onclick="close.Click()" value="关闭窗口">

window.close()#

延伸阅读#

window.close()

延伸阅读