How to Remove duplicate dropdown option elements with same value

Question

How can I remove duplicate values -> drop down option elements?
I have the following HTML:

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Answer 1

# This is other quick option iterating options, counting the duplicates and remove when are more than one#

var opt = $("select[title='Country'] option");              
$.each(opt, function (key, value) {                 
  var len = $("select[title='Country'] option:contains(" + value.text + ")").length;
  if (len > 1)                   
     {
     value.remove();
     }   
  });  

Answer 2

Not tested, but something like this should work

var values = new Array();
$('#YourSelect').children('option').each(function() {
  var text = $(this).text();
  if (values.indexOf(text) === -1) {
    values.push(text);
  } else {
    //  Its a duplicate
    $(this).remove()
  }
}