code_direction.html

<span style="unicode-bidi:bidi-override; direction: rtl">moc.niamod@eman</span>

deobfuscator_plugin.js

(function($){
  $.fn.deobfuscate = function() {
    $(this).each(function(i, el) {
      var email, subject;
      email = el.innerHTML;
      email = email.replace(/ at /gi, "@").replace(/ dot /gi, ".");
      subject = el.getAttribute('data-subject');
      subject = subject ? ("?subject=" + subject) : ""
      email = '<a href="mailto:'+email+subject+'">'+email+'</a>';
      el.innerHTML = email;
    });
    return this;
  };
})(jQuery);

display_none.html

<p>email: name@<span style="display: none;">null</span>domain.com</p>

email.html

<span class="email">name AT domain DOT com</span>

rot13.html

<p>email: <script type="text/javascript">// <![CDATA[
document.write("<n uers="znvygb:anzr@qbznva.pbz">".replace(/[a-zA-Z]/g, function(c){return String.fromCharCode((c<="Z"?90:122)>=(c=c.charCodeAt(0)+13)?c:c-26);}));
// ]]></script>name's mail</a></p>

scripts.js

$(document).ready(function() {

  $('.email').deobfuscate();
  
  ...
});