window.opener return is to create a reference to the parent window of the current window, for example, click on a link on the b.htm a.htm opened, and we intend to enter a value in b.htm then conferred on a.htm the id of a "name" of the textbox, can be written as: indow.opener.document.getElementById ( "name") value = " data input";.
1. page code:
<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档title> head> <script language="javascript"> function tanchu() { window.open("Untitled-5.html"); } script> <body> <form id="form1" name="form1" method="post" action=""> <label> <input type="submit" name="button" id="button" value="提交" onclick="tanchu()" /> label> <label> <input type="text" name="textfield" id="textfield" /> label> form> </body> </html>
2. The sub-page code:
<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档title> head> <script language="javascript"> function aaa() { window.opener.document.getElementByIdx('textfield').value='123123123'; } script> <body> <form id="form1" name="form1" method="post" action=""> <label> <input type="submit" name="button" id="button" value="提交" onclick="aaa()" /> label> form> </body> </html>