本文实例讲述了JS简单实现父子窗口传值功能。分享给大家供大家参考，具体如下：
父窗口页面father.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE>父窗口 </TITLE>
<script language="javascript">
<!--
function openChild(){
var childwin = window.showModalDialog("child.html",window,"dialogWidth:335px;status:no;dialogHeight:300px");
if(childwin != null)
document.getElementById("f11").value = childwin;
}
//-->
</script>
</HEAD>
<BODY>
<FONT face="宋体"></FONT>
<br>
传递到父窗口的值:<input id="f9" type="text" value="我是父窗口的值，呵呵" name="txt9"><br><br>
子窗口设置的值:<input id="f10" type="text" name="txt10"><br><br>
子窗口关闭后返回的值:<input id="f11" type="text" name="txt11"><br><br>
<input id="Button1" onclick="openChild()" type="button" value="openChild" name="Button1">
</BODY>
</HTML>
子窗口页面 child.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE>弹出页面（子窗口）</TITLE>
</HEAD>
<BODY>
<FONT face="宋体"></FONT>
<br>
父窗口传递来的值:<input id="c0" type="text" name="txt0"><br><br><br>
输入要设置父窗口的值:<input id="c1" type="text" name="txt1"><input id="Button1" onclick="setFather()" type="button" value="不关闭本页面，设置父窗口的值" name="Button1"><br><br><br>
输入返回的值:<input id="c2" type="text" name="txt2"><input id="Button2" onclick="retrunValue()" type="button" value="关闭本页面,并返回值给父窗口" name="Button2">
<script language="javascript">
<!--
var fatherwin=window.dialogArguments;
//获得父窗口传递来的值
if(fatherwin!=null)
{
document.getElementById("c0").value = fatherwin.document.getElementById("f9").value;
}
//设置父窗口的值
function setFather()
{
fatherwin.document.getElementById("f10").value = document.getElementById("c1").value
}
//设置返回到父窗口的值
function retrunValue()
{
var s = document.getElementById("c2").value;
window.returnValue=s;
window.close();
}
//-->
</script>
</BODY>
</HTML>
希望本文所述对大家JavaScript程序设计有所帮助。
