jq get select value code example
Example 1: get selected option value jquery
$("#vacc_wellness_agegroups option:selected").val();
Example 2: get option value jquery
<select id="state">
<option value="state1" data-id="1">state1</option>
<option value="state2" data-id="2">state2</option>
<option value="state3" data-id="3">state3</option>
</select>
$('#state option[data-id="2"]').val();
//output state2