Map ID of Element
Maps the IDs of any element of choice.
HTML
<div class="cookie" id="one" />
<div class="cookie" id="two" />
<div class="cookie" id="three" />
<div id="output"></div>
JavaScript
var ids = $('.cookie').map(function(i) {
return this.id;
});
$('#output').text(ids.get().join(', '));