I think you want like this, DEMO
var xmlDoc = $.parseXML( xml );
var $xml = $(xmlDoc);
var $person = $xml.find("person");
$person.each(function(){
var name = $(this).find('name').text(),
age = $(this).find('age').text();
$("#ProfileList" ).append('<li>' +name+ ' - ' +age+ '</li>');
});