set value in select2 jquery code example

Example 1: select2 clear options

Remove the selected options : 
-----------------------------
$('#mySelect2').val(null).trigger('change');

============================================

Completly remove the select2 initialization :
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$('#payment_method').html('').select2({data: [{id: '', text: ''}]});

Example 2: jquery to set value in select2 dropdown button

$("#u20_cre").select2().val(["1","6"]).trigger("change");

Example 3: how to set value select2

$('#sel_users').select2().trigger('change');

$(document).ready(function(){

  // Initialize Select2
  $('#sel_users').select2();

  // Set option selected onchange
  $('#user_selected').change(function(){
    var value = $(this).val();

    // Set selected 
    $('#sel_users').val(value);
    $('#sel_users').select2().trigger('change');

  });
});

Example 4: jquery select2 set value

<select id="lang" >
   <option value="1">php</option>
   <option value="2">asp</option>
   <option value="3">java</option>
</select>

<script>
	$("#lang").select2().select2('val','1');
</script>