<!DOCTYPE html>
<html>
  <head>
    <title>Detect Touch Test</title>
    <script src='modernizr.js'></script>
  </head>
  <body style="font-size:30vmin">
    <script>
      document.body.textContent = Modernizr.touchevents ? 'YES' : 'NO';
    </script>
  </body>
</html>