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JS 用window.open()函数,父级页面如何取到子级页面的返回值?

父窗口:
<html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title></title> <script src=http://www.mamicode.com/"../js/jquery-1.7.2.min.js" type="text/javascript"></script> <script type="text/javascript"> $(function () { // alert($("test1").val()); // $("#text").val($("test1").val()); $("#Button1").click(function () { var win = window.open("../WebForm1.aspx", null, " height=300,width=450, Left=300px,Top=20px, menubar=no,titlebar=no,scrollbar=no,toolbar=no, status=no,location=no"); }); } ); </script> </head><body> <form id="form1" runat="server"> <div> <input name="text" id="text1" type="text" /><input type="button" id="Button1"/> <asp:Button ID="Button2" runat="server" Text="Button" /> </div> </form></body></html>

子窗口:

<html xmlns="http://www.w3.org/1999/xhtml"><head runat="server">  <script src="http://www.mamicode.com/js/jquery-1.7.2.min.js" type="text/javascript"></script>    <title></title>    <script type="text/javascript">        function Button1_onclick() {            window.opener.$("#text1").val("ddd");            //            alert(window.opener.$("#text1").val());            self.close();        }    </script></head><body>    <form id="form1" runat="server">    <div>     <input type="submit" id="Button1" onclick="return Button1_onclick()" />    </div>    </form></body></html>