For a select like this
<select class="btn btn-info pull-right" id="list-name" style="width: auto;">
<option id="0">CHOOSE AN OPTION</option>
<option id="127">John Doe</option>
<option id="129" selected>Jane Doe</option>
... you can get the id this way:
$('#list-name option:selected').attr('id');
Or you can use value instead, and get it the easy way...
<select class="btn btn-info pull-right" id="list-name" style="width: auto;">
<option value="0">CHOOSE AN OPTION</option>
<option value="127">John Doe</option>
<option value="129" selected>Jane Doe</option>
like this:
$('#list-name').val();