$("#vacc_wellness_agegroups option:selected").val();
<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
If you want to get the selected option text, you can use $(select element). text() . var text = $('#aioConceptName option:selected'). text();
If you want to get selected option value, you can use $(select element). val() . var val = $('#aioConceptName option:selected').val();