Champ de saisie non sélectionnable

<!DOCTYPE html>
<html>
  <head>
    <title>Title of the document</title>
  </head>
  <body>
    <h2>Copy, cut and paste disabled</h2>
    <input type="text" onselectstart="return false" onpaste="return false;" onCopy="return false" onCut="return false" onDrag="return false" onDrop="return false" autocomplete=off/>
    <br>
  </body>
</html>
Bombay