子窗口 父窗口 傳值

father_window

 

 

 

var newWindow; 
function openWindow(url){ 
newWindow = window.open("sub_window.jsp?age=78", "", "width=400,height=300 "); 

newWindow.document.getElementById("T").value=this.document.getElementById("name").value; 
}

sub_window

<script language="javascript">

var name = window.opener.document.getElementById("name").value;

alert(name);

</script>

<input type="text" id="T" name="T" >
<%=request.getParameter("age")%>