try
-----------------------------
var w = window.open("1.htm","lookWin","toolbar=no,menubar=no,width=200,height=130");
w.close();
-----------------------------
var w = window.open("1.htm","lookWin","toolbar=no,menubar=no,width=200,height=130");
w.close();
w.close();
}子窗口名字w可以默认,也可以传参。