how to get data attribute value of selected option in jquery 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: jquery get option data attribute

$(this).find(':selected').data('id');

Example 3: selected option attribute jquery

$('#location').find('option:selected').attr('myTag');

Example 4: jquery get data attribute of selected option

$(this).find(':selected').data('id')