gistfile1.txt

#xml


<?xml version="1.0" encoding="UTF-8"?>
<localidad>
  <created-at type="datetime">2010-11-28T01:12:59Z</created-at>
  <departamento-id type="integer">1</departamento-id>
  <id type="integer">1</id>
  <name>16 DE JULIO</name>
  <updated-at type="datetime">2010-11-28T01:12:59Z</updated-at>

</localidad>



# js

$.ajax({
          url: "/localidads/1.xml",
          success: function(data) {
            $("#result").replaceWith( $(data).find("created-at"));
          }
        });

#html
<div id="result"></div>

#result
2010-11-28T01:12:59Z