Process PHP Script Form without Refresh with display

Place inside your head tag
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>

Place after your </body> tag
<script type="text/javascript">
$(document).ready(function() {
      $('form').submit(function(e){

           $.ajax({
                type: 'post',
                url: './folder_name/script_name.php', // or script_name.php
                data: $('form').serialize(),
                success: function(result) {
                       $('#response').html("<b>" + result + "</b>")
                }
           });
           e.preventDefault(); //Doesn't allow page to refresh
      });
});
</script>

Place wherever you want outcome to display in your  <body>
<div id="response"></div>