Manipulate json data with jQuery

HTML

<ul id="groups"></ul>

JavaScript

(function () {
    var flickerAPI = "http://byptserver.com/technicianapp/index.php?r=api/getAllCategories";
    $.getJSON(flickerAPI, {
        tags: "mount rainier",
        tagmode: "any",
        format: "json"
    })
        .done(function (data)
        {
        //alert(data.data[0].category);
        //return;
        var catId = "0"
        var $grouplist = $('#groups');
        $.each(data.data, function (i, item)
        {
    
        if (item.parent == catId )
        {
       		 $('<li>' + item.category +" ("+ item.parent+") "+'</li>').appendTo($grouplist);
          //alert(item.category);
        } 
            
        });
    });
})();