select option selected get data attribute code example

Example 1: select onchange jquery get the selected option data attribute

$('#country').on('change', function(){
    let id = $(this).find(':selected').data('id');
    console.log(id);
  });

Example 2: javascript get data attribute of selected option

function check_status(obj) {
  var uid = obj.options[obj.selectedIndex].getAttribute('data');
  alert(uid);
}