JQuery - Using .each() To Change Selected Elements

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As I'm iterating through a set of HTML elements passed into a function, I'm trying to set a class on certain elements (rel), depending upon a test. After I set the class, the content I'm returning appears not to have been changed. I'm sure there's a basic disconnect in my logic - any guidance on why my changes don't appear?

data:

< ul > 
      < li title = "ID: 3 " id = "ID1" rel = "departmentgroup" class = "leaf" > 
        < a href = "#" class = "departmentgroup" rel = "15000_3_16010_relationship_Department-Path" > 
            < ins class = "departmentgroup" > & nbsp; < /ins>
            Floating
        </a > 
      < /li>
< /ul > 

function:

newData = $.trim(data);

$.each($(newData).find("a"), function (i, item) {
    thisrel = $(item).attr("rel");
    if ($('#' + thisrel).length > 0) {
        $(item).children().removeClass().addClass('tick');
    }
  });

$.each($(newData).find("a"), function (x, curr) {
    alert($(curr).children().attr("class")); // no changes evident
});

asked 1 min ago

pter

5