test.html
html代码
?123456789101112131415161718192021222324 <!doctype html> <html> <head> <meta http-equiv=content-type content=text/html; charset=utf-8 /> <title>jquery</title> <style type=text/css> </style> <script type=text/javascript src=> <script type=text/javascript> $(document).ready(function (){ $(#show).click(function (){ var iframeobj = $(window.frames[iframe_name].document); alert(iframeobj.find(#un).val()); }); }); </script> </head> <body> <input type=button id=show value=show /> <iframe id=iframe_id name=iframe_name src=> </body> </html>
login.html
html代码
?1234567891011121314 <!doctype html> <html> <head> <meta http-equiv=content-type content=text/html; charset=utf-8> <title>登录页面</title> </head> <body> <form method=post action=#> 用户名：<input id=un type=text name=username value=123d /> 密 码：<input type=text name=password/> <input type=submit value=提交> </form> </body> </html>