Am I correct in thinking that the signup page does nothing? The POST action just seems to submit to the page you are currently on. I figured script.js might be

Am I correct in thinking that the signup page does nothing? The POST action just seems to submit to the page you are currently on. I figured script.js might be picking up on the form submission, but it gives a 404 if you try and go to the file. What I can't figure out where the thank-you message is coming from as the page looks to be just a plain html file.