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Editorial Team
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Asked: 2026-05-14T09:00:25+00:00

I have this code. The code below is working in Firefox, but it is

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I have this code.

The code below is working in Firefox, but it is not in IE

<?php // file: login_dfr.php ?>
<body>
<?php
$data = getLoginData($_SESSION['whoyouare']);
?>
<form name="frm_redirect_dfr" action="<?php echo $data['url']; ?>" method="POST"     id="frm_redirect_dfr" style="display: none;">
    <input name="DFRNet_User" value="<?php echo $data['username']; ?>" type="hidden" />
    <input name="DFRNet_Pass" value="<?php echo $data['password']; ?>" type="hidden" />
    <input name="tbllogin" value="login" type="hidden" />
    <input type="submit" value="submit" />
    </form>
    <script language="javascript" type="text/javascript">
    document.forms["frm_redirect_dfr"].submit();
    </script>
</body>

What I want to do is, when user access the page, it first will try to get login data, echo it in the form, and submit the form automatically using javascript

Update:
I forget to mention that the code above is on a Frame, the mainFrame code is like below:

<?php session_start(); ?>
<?php // file: login_frame.php ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org    /TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Wavinet</title>
</head>
<frameset rows="1,*" frameborder="no" border="0" framespacing="0">
<frame src="topFrame.php" name="topFrame" scrolling="No" noresize="noresize" id="topFrame" title="topFrame" />
<frame src="login_dfr.php" name="mainFrame" id="mainFrame" title="mainFrame" />
</frameset>
<noframes>
<body>This page contain frame</body>
</noframes>
</html>
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1 Answer

  1. Editorial Team

    You probably need to give IE time to render the form before you make it submit it. So this with

    <script language="javascript" type="text/javascript">
setTimeout(function() {
    document.forms["frm_redirect_dfr"].submit();
    }, 0) /* You may need a higher number here. If you do, start with 100 and go up. */
</script>

    You could also hang it off a document ready handler or something similar, but I don’t know the raw JavaScript to do it (jQuery provides just such a hook, though).

    The reason this works is that it’s a type of ‘yield’. Browsers tend to give lower priority to rending the page elements than executing inline JavaScript. This presents a problem with inline JavaScript has to interact with the DOM as there is no obvious way to wait for the browser to render it. This trick gives the browser an opportunity to get some rendering done before more JavaScript runs.

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