How can node js bitcoin client transform that to Node. If you save the file below as form1. Your form is trying to submit something so it is making an HTTP POST request.
So, we will write a conditional in our node. GET request and for the POST, we will capture the form data, process it, and respond with a form and the result of our calculation. It’s a bit of pain to grab Form Data so if you are doing this for a serious project, I would recommend a framework like Express which makes writing web apps much easier. All you need is a few lines of additional client-side JS code to make the Ajax requests via the onsubmit form event. I also transformed the Node response function to only respond with the result instead of the full page. Here is how that would look like with Ajax and Node.