<!DOCTYPE HTML>
<html lang="en-US">
<head>
  <meta charset="UTF-8">
  <title>Remote Comment Example</title>
  <link href="http://www.mooc.ca/cgi-bin/api.cgi" rel="webmention" />
</head>
<body>
    <h1>Blog Post</h1>
    <p>Here is the text of my blog post. Don't you juyst want to comment?</p>
    <h2>Comment:</h2>
  <form action='' name='myform' id="myform" method='POST'>
    <input type='text' name='cars' placeholder="Your website" id="cars"> (URL for content submission on my own website)<br>
    <input type='hidden' name='action' value="rcomment">
    <input type='text' name='title' value='Blog Post'> (Auto-populated with the title of the post I'm commenting on)<br>
    Hidden fields: 'author' and 'feed', auto-populated with the information about the post I'm cpommenting on (optional, but better)<br>
    <input type='hidden' name='author' value='Stephen Downes'>
    <input type='hidden' name='feed' value='MOOC.ca'>
    <textarea rows=20 cols=100 name="description" placeholder="Enter comment here"></textarea><br>
    <button action='submit'>Submit Comment</button>
  </form>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
  <script>
    // Shorthand for $(document).ready();
    $(function() {
     $('#myform').submit(function(){
       var car = $('#cars').val();
       $(this).attr('action', car);
       alert($(this).attr('action'));
     });
    });
   </script>
  </body>
  </html>