Can you explain what this code is doing please?

[fiona]

Hi there,

I recently came across the following code.

<form action="" method="post" accept-charset="utf-8" enctype="multipart/form-data" onsubmit="return ">
UserName:<br />
<input type="text" name="username" value="" /><br /><br />
Password:<br />
<input type="password" name="pass" value="" /><br /><br />
<input type="submit" name="login_form" value="Login" /> or <a href="/signup">register</a>
</form>

I always thought that when the submit button was clicked that the action described in action="" would be performed. I have never seen it empty before.

What will this code end up doing please?

Thanks,
Fiona

[CoderDan]

there really should be an action, however most browsers 'fix' an empty action by uisng the page the form is on as the action. this means the form posts to itself.
there is an onsubmit, however, which contains just 'return' as teh javascript. as it returns no value, it's considered a 'return false' and as such the form will never submit if the browser runs javascript (as most do)