Hi thanks for taking the time to write this post. Actually I have been looking for how to implement modal form submission such as user signin/signUp on a ruby on rails app. I’m using rails 5. I tried your demo app but i’m getting 500 internal error when i submit the form. So the demo is not working. Any idea what’s going wrong? I’ve seen so many tutorials on how to implement modal form submission on rails but know of them worked for me, including this! Please let me know if you tested this again and it work.