Password in confirm box Javascript

I have a Delete button in my PHP page which deletes a record. But when I delete that button I do a confirm box with:

<form action="log.php" method="post" onsubmit="return confirm('Are you sure?');">

Can I make it so when they confirm they have to fill in a password?

So what I mean is something like this

<form action="log.php" method="post" onsubmit="return confirm('password :');">

And then they have to fill in a password

Thanks in advance.

Answer

Hi You Need some thing like this, Modify according to your requirements

<script>
function do_check()
{
    var return_value=prompt("Password:");
    if(return_value==="your_password")
        return true;
    else
        return false;

}
</script>
<form action="log.php" method="post" onsubmit="return do_check();">