Pass Special Character in jQuery Ajax Post

encodeURIComponent() use for pass special character in jQuery ajax post data content.

<ul>Example</ul>

var email= $('#txt_email').val();
var desc = $('#txt_description').val();
jQuery.ajax({
  type: "POST",
  url: "ajax/save_tag.php",
  data:"email="+encodeURIComponent(email)+"&amp;desc="+encodeURIComponent(desc), beforeSend:  function() {   jQuery('.sending_email').append('wait. processing...');
}, success: function(html){     //html is responce } });