function checkPermission() { var pers = []; $.ajax({ type : 'get', url : smz_ht_url + '/permissions/owns', async : false, success : function(data) { pers = data; $("[permission]").each(function() { var per = $(this).attr("permission"); if ($.inArray(per, data) < 0) { $(this).hide(); } }); } }); return pers; }