Getting ID of all elements of a certain class into an array

Question

Here\'s what I\'m trying to do:

Currently I am using this to create an array of all elements matching the class name of .cookie. Right now I am getting

Answer 1

var cookiesArray = new Array();
$('.cookie').each(function() { 
  var id = $(this).attr(id);
  if(id != undefined) {
    cookiesArray.push(id);
  }
});