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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

HTML

              
                <div id='mainElem' width="100%" height="100%">
  <button id="createCombo" onclick="showCombo()">Create ComboBox</button>
  <button id="removeCombo" onclick="destroyCombo()">Remove ComboBox</button>
</div>
              
            
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CSS

              
                label {
  display: block;
}

              
            
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JS

              
                var _extensions = [
  { title: "All types (*.first, *.second, *.third, *.fourth, *.fifth, *.sixth)", extension: "" },
  { title: "First", extension: "*.first" },
  { title: "Second", extension: "*.second" },
  { title: "Third", extension: "*.third" },
  { title: "Fourth", extension: "*.fourth" },
  { title: "Fifth", extension: "*.fifth" },
  { title: "Sixth", extension: "*.sixth" }
  ];

var selectedExtension = _extensions[4].extension;

var _soloElement = null;
var _soloCombo = null;

var showCombo = function() {
  _soloElement = $('<div />')
    .attr('id', 'soloComboDiv');
  
  _soloElement.append($('<label />')
                      .attr('for', 'soloComboSelect')
                      .addClass('control-label col-sm-2')
                      .html('A jqueryui ComboBox:'));
  
  _soloCombo = $('<select />').addClass('soloComboSelect');    
  for (var i = 0; i < _extensions.length; i++) {
    var opt = $('<option />')
    .text(_extensions[i].title)
    .attr('value', _extensions[i].extension);
    
    if (selectedExtension == _extensions[i].extension) {
      $(opt).prop('selected', true);
    }
    
    _soloCombo.append(opt);
  }
   
  _soloElement.append(_soloCombo);  
  
  $('div#mainElem').append(_soloElement);
  
  _soloCombo.selectmenu({style : 'dropdown'});
};

var destroyCombo = function() {
  if (_soloCombo != null) {
    // If i remove the options i added in 'showCombo'
    // and call selectmen('refresh') to re-render an empty 
    // list I avoid detached HTMLOptionElements that correspond to 
    // each option added
    _soloCombo.find('option').remove();
    _soloCombo.selectmenu('refresh');
    
    _soloCombo.selectmenu('destroy');
    _soloCombo.remove();
    
    if (_soloElement != null) {
      // If we try to remove this before the selectmenu 'destroy'
      // call we get an error from selectmenu code, presumably as it
      // relies on the element being present, as far a i can tell           
      // this is the ealriest opportunity after destroy to explicitly
      // remove the select node
      _soloElement.find('select').remove();
    }
    
    _soloCombo = null;    
  }
  
  if (_soloElement != null) {
    // The select node will already be gone from the DOM by now
    // (selectmenu('destroy') call does this)
    _soloElement.find('label').remove();
    _soloElement.remove();
    _soloElement = null;
  }
};
              
            
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