有时候当从一个窗口打开另一个窗口并关闭自身的时候，如何避免弹出确认的提示呢？

Question

for IE5.5/6, trywindow.opener=null;
window.close();or you can try to add an object tag<OBJECT  id=hh  type="application/x-oleobject" width=0 height=0
  classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
  <PARAM name="Command" value="Close">
</OBJECT><input type="button" value="close" onclick="hh.HHClick()">

Answer 1

mywin=window.open(url);
window.opener=null;
window.close();

Answer 2

mywin=window.open(url);
window.opener=null;
window.close();

Answer 3

<object id="WebBrowser" width=0 height=0 classid="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2">
</object>
<input type="button" name="Button" value="关闭窗口" onClick="document.all.WebBrowser.ExecWB(45,1)">